Engineered Foundation Systems
Ground Screw & Helical Screw Pile Foundations
Foundations simplified. Performance certified.
Engineered Screw Foundation Systems
We started out over 15 years ago because we believed foundations shouldn’t be complicated. Since then, we’ve grown into one of the UK’s leading providers of ground screw and helical screw pile foundation systems – but that core belief hasn’t changed.
We work alongside our customers at every stage, offering a complete turnkey service from initial site assessment and pile design through to installation, torque monitoring, and certification. We value every project, from homeowners planning garden rooms to structural engineers specifying foundations for bridges – and every project gets the same level of care and expertise.
Our Customers
Choose Your Foundation System
Performance You Can Certify
For commercial and infrastructure projects, you need performance you can prove and certify. That’s why every installation comes with a fully verified foundation record.
Comprehensive Reporting
On completion, you receive a detailed torque pile log covering installation torque, depth, pile identification, and performance data for every pile we install.
Design life options Of up to
100 Years
Our screw foundation systems are engineered for permanent, commercial-grade reliability.
Manufacturing Standards
All helical screw piles are manufactured to recognised standards including EN 1090-1 (CE/UKCA conformity), ISO 3834 (welding quality), and EN ISO 1461 (hot-dip galvanising).
Engineered Screw Foundations For Every Scale
Which screw is right for your project?
Purpose
Applications
The Advantage
For high-capacity engineering. Designed for substantial vertical, lateral, and shear loads in large-scale construction and infrastructure.
Bridges, gantries, telecommunications towers, masts, BESS, data centres, modular buildings, and retaining walls.
Precision-installed using 1.5t to 20t excavators with real-time digital torque monitoring for verified load capacity.
For speed and accessibility. The go-to solution for residential and light commercial projects where rapid installation and minimal site disruption are a priority.
Garden rooms, timber-frame extensions, decking, annexes, fencing, and solar arrays.
Rapid installation with portable or lightweight equipment – no heavy excavation or concrete curing required.
What We Do
Planning + Engineering Design
Every project starts with understanding what the ground and the structure need from each other.
We evaluate soil conditions and load requirements to develop an optimised foundation design – identifying the right screw or pile configuration, installation depth, helical flight diameter, and required torque. We work directly with structural engineers and project teams, putting the data in your hands without you having to chase it.
What We Do
Product Supply
We hold one of the largest stocks of ground screws in the UK, alongside a comprehensive range of helical screw piles in standard sizes.
For projects with specific site requirements, we design and manufacture bespoke helical screw piles to order. We offer next-working-day delivery across the UK, with bulk supply discounts available for larger projects.
What We Do
Professional Installation
Our installation teams operate nationwide, bringing the right equipment for every job – from hand-driven ground screws for domestic builds to machine-installed helical screw piles with calibrated torque monitoring for commercial projects.
We handle everything from site survey and GPS mark out through to final levelling and documentation – whether it’s a single garden room or a 200-pile commercial development.
What We Do
Load Testing + Torque Monitoring
Every helical screw pile installation is backed by a comprehensive torque pile log detailing installation torque, depth, pile identification, and performance data.
Static load-bearing testing is available where required, and our deep foundation software produces certified load capacity reports for every pile – providing engineers and building control with the proof they need.
What We Do
Technical Support + Installation Training
For trade partners and contractors who prefer to install themselves, we supply products with full technical guidance and hands-on installation training.
Our team is on hand throughout your project for advice on product selection, ground conditions, and best practice – whether you’re new to screw foundations or an experienced installer looking to expand your range.
Applications Across Every Sector
For commercial and infrastructure projects, you need performance you can prove and certify. That’s why every installation comes with a fully verified foundation record.
A cleaner, faster alternative to concrete for extensions, eco-homes, and garden rooms. Our systems are ideal for sites with restricted access or Tree Protection Orders (TPOs). We provide architects and developers with certified foundation plans that are building-control-ready and ensure long-term structural integrity without the mess of excavation.
Expand holiday parks, glamping sites, or timber-framed lodges with minimal disruption to the surrounding environment. Our screw foundations require no curing time, so construction can start immediately after installation – helping operators meet tight seasonal deadlines and achieve a faster return on investment.
Robust foundation solutions for school expansions, modular healthcare units, and community buildings. Our rapid, low-noise installation means less heavy machinery on live sites, reducing health and safety risks. We provide the full suite of technical documentation and safety accreditations required for public sector procurement.
Trusted screw pile foundations for large-scale infrastructure, including rail gantries, telecoms masts, pedestrian bridges, and renewable energy installations. With real-time torque monitoring and a 100-year design life, we provide the engineering data required by National Highways, rail networks, and renewable energy providers (BESS/Solar).
Why Choose Screw Foundations UK? Experience, Stock, and Service Nationwide
Choosing screw foundations is one decision. Choosing who supplies and installs them is another. At Screw Foundations UK, we've built our reputation on experience, reliability, and the ability to support every type of customer – from DIY enthusiasts to commercial developers delivering multi-million-pound projects.
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We've been at the forefront of ground screw development in the UK for more than a decade and a half. That experience means we understand the real-world challenges customers face – from access issues in tight gardens to compliance documentation on large regulated builds. Our team doesn't just sell screws – we guide projects from start to finish.
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Delays in construction often come from supply shortages. We hold thousands of CE-approved, hot-dip galvanised screws in UK stock, ready for immediate dispatch. With next-working-day delivery available, you don't have to wait weeks for overseas shipments. The product you need is here, when you need it.
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For customers seeking a fully managed solution, our in-house trained installation teams operate nationwide. They bring specialist equipment, years of experience, and a commitment to clean, professional work. Whether it's a small domestic garden room or a large-scale commercial development, our teams deliver consistent quality across the UK.
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We understand not every customer needs installation. That's why we offer DIY supply – with trial kits, guidance, and rental tools for homeowners. Trade supply – bulk orders, consistent stock, and dedicated support for builders, landscapers, and developers. Both services are backed by our technical expertise, ensuring you get the right screws, brackets, and advice for your project.
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Our products and processes meet rigorous standards. CE approval, 20-year guarantees, and recognised industry accreditations reflect our commitment to quality. This provides homeowners with peace of mind and supports developers in meeting regulatory requirements.
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Thousands of homeowners, tradespeople, and businesses have chosen Screw Foundations UK. Many return again and again because they know they can rely on us – for product quality, installation expertise, and dependable service. We’re not only a supplier of top-quality ground screw products. We’re a partner in diverse building projects across the nation.
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What sets us apart is the support we provide to each and every customer. Our team helps customers calculate requirements, select the right products, and plan installations. We offer on-site load testing where needed, technical documentation, and aftercare advice. From the initial enquiry to sign-off, we ensure that every detail is covered.
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We work with some of the UK's largest contractors and developers. From modular classroom foundations to large-scale solar installations and national infrastructure, our team has the technical knowledge and on-site experience to deliver on complex, high-value projects with confidence.
I had a wonderful experience with this company - the installation team was fantastic. I had cleared the land but they then installed 16 screws and built a wooden floor-frame all in about 4 hours. Everything was done to millimetre precision.
As a total newby at using ground screws, the information and advice on their site was fantastic, and when I reached out to Pav by phone he was of great assistance. The product was really easy to install, and I cannot overstate how much easier they are to use compared to digging post holes! 5 stars for product, customer service and delivery!
The Ground Screw Centre were really helpful answering the many questions I had before buying from them. The screws were great, I'm really happy I went for them rather than concrete. There's definitely a skill to putting them in, but once in they made a great support for out large garden lodge. Really recommend the screws and the team!!
Great product and great service. Will use again! The trial kit is an excellent idea helping me to settle on The Ground Screw Centre as my chosen supplier. Totally recommend.
Amazing product, just what I needed for my summer house and decking, brilliant customer service and understanding to your needs, great communication, thank you
The Ground screws were super easy to install myself. I recommend the ratcheted installation tool. And doing them after some rain when the ground is softer. Much easier and more pleasant than concrete. Fab customer service too!
I have been using The Ground Screw Centre for supply of ground screws for our Garden Room business (Garden Customs) for a number of years, they are always really helpful and able to accommodate our requests. the products are very good and we have never had any problems with them. would highly recommend..
Really impressed with the product and ease of installation. The service was excellent, with a very fast turnaround time. Will recommend again and again
Very straightforward and easy to order. Help to select correct fittings was given. Delivery was ahead of time and all correct. Installation was straightforward using the rented ratchet tool. An excellent product, good to install and does the job ???????? In no time at all my workshop/studio was on the way to completion. Would highly recommend using ground screws and would certainly use again.
Very positive experience with this company. Great communication from Pav in the office, nothing was too much trouble with some of the changes I wanted to make and the installation team were excellent, tidy, communicated throughout the job, which they did when they said they were going to do it. Really happy with my base for the new gym and highly recommend this company
I do not often leave reviews but on this occasion, I felt that I should because I think the service and product provided by The Ground Screw Centre was excellent. In the first instance I was attracted to TGSC because they offered a trial service; 1 ground screw, bracket and the rental of the ratchet tool. I was not sure that I would be able to get the screws into the ground. I did and the trial set gave me the confidence to proceed with the project.
I ordered the remaining brackets and screws and they arrived promptly. I then found that I had ordered the wrong size brackets. I rang TGSC and the replacement brackets arrived the next day special delivery and at no extra charge. I just had to return the wrong brackets once I had finished with the rental tool. BTW anyone thinking of this should definitely get the ratchet tool. All the ground screws are now in place with a sub-base built ready for my new log cabin. The alternative of a concrete base would have been significantly more difficult to do due to access and a slope to the ground, and I expect significantly more expensive.
Excellent Customer Service and a very good product
I ordered the remaining brackets and screws and they arrived promptly. I then found that I had ordered the wrong size brackets. I rang TGSC and the replacement brackets arrived the next day special delivery and at no extra charge. I just had to return the wrong brackets once I had finished with the rental tool. BTW anyone thinking of this should definitely get the ratchet tool. All the ground screws are now in place with a sub-base built ready for my new log cabin. The alternative of a concrete base would have been significantly more difficult to do due to access and a slope to the ground, and I expect significantly more expensive.
Excellent Customer Service and a very good product
What you need to know about
Ground Screws
What Are Ground Screws?
Ground screws are engineered steel foundations that cater to a huge range of construction projects, from back garden DIY to heavy-duty commercial projects. Each ground screw is a strong galvanised steel shaft with helical blades that twist into the soil as it’s installed. Instead of digging trenches and pouring concrete, the screw is driven straight into the ground, creating an instant, secure foundation point.
Our ground screws come in a range of lengths and diameters to suit all sorts of projects. Shorter screws are well-suited for lighter jobs, such as sheds or decking, while longer, wider screws offer the capacity for garden rooms, annexes, extensions, and even commercial modular buildings.
Once installed, the head of the screw sits above ground, ready to connect with brackets that attach directly to your structure. This flexible design means they’re just as at home under a timber frame in a back garden as they are under solar arrays or larger commercial units.
In simple terms, ground screws give you the same outcome as a concrete foundation – a strong, stable, load-bearing base – but they do it faster, with less mess, and with the flexibility modern projects need.
Why Choose Ground Screws?
The first thing most people notice about ground screws is the speed – but speed is only part of the story. Ground screws solve the frustrations that make foundations such a stressful stage of building. They simplify logistics, minimise disruption, and provide reliability from day one.
Fast Installation
Ground screws can often be installed in just a few hours using handheld or lightweight machinery. There’s no waiting around for materials to cure, so the structure can be built on the same day. For homeowners and contractors alike, this means faster progress and fewer delays.
Minimal Disruption
Because ground screws don’t require digging, skips, or concrete mixers, the installation process is quiet and tidy. They can be carried through narrow access points and fitted cleanly without damaging gardens or landscaped areas. It’s a straightforward process that avoids the noise, waste, and mess associated with traditional groundwork.
Built to Last
Manufactured from hot-dip galvanised steel, our ground screws are designed to resist rust and corrosion for decades. Once in place, they provide a dependable foundation for everything from small sheds to heavy commercial buildings. With minimal maintenance required, they continue performing year after year in most soil conditions.
Flexible Solutions
Ground screws are well-suited when concrete bases are difficult or impractical to lay, such as on sloping ground, in tree protection zones, or in tight urban sites. They can be installed at varying depths and heights to create a perfectly level base, even on challenging terrain. If the structure ever needs to move, the screws can be removed and reused without leaving a trace.
Lower Environmental Impact
Installing ground screws avoids excavation, leaving soil structure and drainage patterns undisturbed. No concrete is poured, no skips are filled, and no waste is sent to landfill. At the end of their use, the screws can be completely removed, allowing the land to return to its original condition.
Better Value
Quicker installation means lower labour costs and fewer site visits. With no excavation, there are no disposal fees or skip hire charges, and less money is tied up in site preparation. The ultimate result is a foundation system that consistently saves both time and money.
How Do Ground Screws Work?
Ground screws create strong, reliable foundations by anchoring deep into stable soil layers. Instead of spreading loads across a wide slab, each screw transfers the weight of your structure straight down its shaft and into the earth. The helical blades lock into the ground, preventing both downward movement and uplift from wind or shifting soil.
The Main Components
Steel shaft: the body of the screw, available in a range of lengths. Shorter screws are suited to decking or sheds, while longer models support garden rooms, annexes, and even multi-room modular buildings. Helical plates: the spiral blades welded around the shaft. These cut through the soil during installation and provide the mechanical anchoring that holds the screw in place. Mounting head: the connection point at the top of the screw. Different head designs work with brackets, timber joists, steel frames, or modular bases. Galvanised coating: each screw is hot-dip galvanised, immersing the steel in molten zinc to create a protective layer that resists corrosion for decades.
The Installation Process
Installation is typically straightforward. The footprint of your structure is marked out, and screws are placed precisely where support is needed. Using either manual tools for small projects or machine-powered drivers for larger builds, the screws are rotated into the ground until they reach the right depth and resistance. Most installations take just a few hours. There’s no drying time, no need for multiple site visits, and no pause before construction can begin – your structure can be built immediately.
Working With Different Sites
Because screws are installed individually, they can adapt to conditions on site. On a sloping garden, each screw can be set at a slightly different depth and still provide a perfectly level frame. When tree roots or underground services are present, screws can be positioned carefully around them without disturbing what’s below the surface.
Long-Term Durability
Ground screws are built for decades of service life. The hot-dip galvanised coating resists corrosion even in challenging soil conditions, while deep anchoring means they’re unaffected by surface soil movement or frost action that can damage shallow foundations.
Ground Screws vs Concrete – What’s the Difference?
For decades, concrete was the default choice for foundations. Strong, solid, and familiar – but also slow, messy, and resource-heavy.
Ground screws achieve the same goal of stable, load-bearing support, but in a very different way. Understanding the difference helps you see why so many builders, homeowners, and developers are making the switch.
Both systems achieve stable foundations, but ground screws do so faster, cleaner, and more sustainably. Whether you’re building a garden office, a school classroom, or an entire solar farm, screws offer the strength of concrete without the disruption.
That’s why more builders and homeowners are choosing them – and why concrete is no longer the default answer for foundations.
Installation speed
Concrete: Requires excavation, formwork, mixing, pouring, and curing. The process typically takes days, sometimes weeks, before you can even start building. Ground screws: Installed in hours with compact equipment. As soon as the screws are in, the base is ready – no drying, no waiting.
Site impact
Concrete: Excavation means spoil heaps, skips, heavy machinery, and disruption to gardens or landscaping. Once poured, the ground is permanently altered. Ground screws: No digging, no waste, and no large machines. The screws slot neatly into place, even in tight access gardens or sensitive sites, leaving lawns and borders intact.
Flexibility
Concrete: Permanent once in place. If your plans change or you need to move the structure, the only option is to break it up and dispose of it. Ground screws: Fully reversible and reusable. Screws can be removed cleanly, relocated, or adjusted without major upheaval.
Environmental impact
Concrete: Cement production accounts for around 8% of global CO₂ emissions. Disposal also creates long-term waste. Ground screws: Produce around 60% less CO₂ during manufacture and installation. They preserve natural drainage patterns and can be removed at end of life, leaving no permanent trace.
Cost considerations
Concrete: The headline material cost may look low, but once you add machinery, waste removal, labour, and delays, the true price is much higher. Ground screws: The product price is comparable, but installation is faster, cleaner, and requires fewer people on site – meaning significant savings in real-world budgets.
The Installation Process
Installation is typically straightforward. The footprint of your structure is marked out, and screws or piles are placed precisely where support is needed.
For smaller domestic projects, ground screws can be installed using manual tools or lightweight machine drivers. For larger applications, helical screw piles are installed using a tracked machine or excavator with a rotary torque driver and integrated torque monitoring.
The helical plates cut and compact the soil as they rotate in, strengthening the surrounding earth during installation. Once in place, brackets are fitted to the heads, providing level mounting points ready to connect to timber, steel, or modular frames.
Most smaller installations are highly time-efficient. There’s no drying time, no need for multiple site visits, and no pause before construction can begin.
Working With Different Sites
Because screw foundations are installed individually, they can adapt to conditions on site.
On a sloping garden, each ground screw can be set at a slightly different depth and still provide a perfectly level frame. On larger commercial sites, helical screw piles can be positioned precisely to match engineered load plans – even in confined or restricted-access areas.
When tree roots or underground services are present, screws and piles can be positioned carefully around them without disturbing what’s below the surface.
Long-Term Durability
Ground screws and helical screw piles are built for decades of service life. The hot-dip galvanised coating resists corrosion even in challenging soil conditions, while deep anchoring means they’re unaffected by surface soil movement or frost action that can damage shallow foundations.
For homeowners, this means confidence that your garden room or deck will stay level year after year. For businesses and infrastructure projects, it means foundations that won’t compromise a long-term investment.
What Are Helical Screw Piles?
Helical screw piles are an engineered, high-capacity foundation system designed for larger-scale construction and infrastructure projects.
Each pile consists of a steel tubular shaft fitted with precisely welded helical plates, available in standard stock sizes – 76R, 89R, 114R, and 140R – with the capability to design and manufacture bespoke solutions for specific projects.
Installation is carried out using a tracked machine or excavator equipped with a rotary torque driver and integrated torque monitoring system. The helical plates are mechanically rotated into the ground in sections until the specified depth or required installation torque is reached, enabling us to measure, verify, and record the performance of every pile installed.
Helical piles are the preferred choice for structural engineers, civil engineers, and contractors working on projects including modular buildings, residential houses, solar farms, telecommunications infrastructure, battery energy storage systems (BESS), data centres, bridges and walkways, retaining walls, and underpinning.
All helical screw piles supplied by GSC are manufactured to recognised standards, including EN 10025, EN 10210/EN 10219, ISO 3834, EN ISO 1461, and EN 1090-1/EN 1090-2.
Every installation comes with a comprehensive torque pile log detailing installation torque, depth, pile identification, and performance data – giving engineers and building control the documented proof of load capacity they need.
Ground Screws Vs. Helical Screw Piles
Both are screw-based foundation systems that eliminate the need for concrete, but they serve different projects.
Ground screws are ideal for residential and light commercial work, while helical screw piles are engineered for heavier loads and larger infrastructure. In both cases, you get an instantly load-bearing, fully reversible foundation with minimal site disruption.
Do Screw Foundations Suit Different Ground Conditions?
Every site is different, and ground conditions vary widely even within the same property. This used to mean complicated groundwork, soil disposal, or expensive site preparation. Ground screws and helical screw piles, however, can adapt to almost any soil type.
Clay Soils
Stable Support Beyond Seasonal Movement
Clay is one of the most challenging soils for traditional foundations. In wet weather, clay swells and becomes soft; in dry spells, it contracts and cracks.
This constant cycle can undermine shallow foundations. Screw foundations bypass the unstable top layers by driving deeper into consistent material below. Once anchored, they remain unaffected by the surface-level shrinking and swelling.
Sandy Soils
Strength Through Compaction
Loose, sandy soils often struggle to hold posts or shallow foundations because the grains shift under pressure.
Screw foundations perform well here – the helical plates compact the surrounding sand as they rotate in, increasing density and creating a strong mechanical lock. This makes sandy sites far more straightforward to build on than many expect.
Peat + Soft Soils
Reaching Firmer Strata
Peat and soft organic soils lack the density to support structures on their own.
Instead of requiring full excavation and replacement with hardcore or concrete, ground screws and helical screw piles can be installed at greater depths to reach firmer strata. Longer screws or deeper screw piles ensure reliable anchoring, providing strength without the cost or disruption of soil replacement.
Rocky Terrain
Precision Without Excavation
Rocky ground presents obvious difficulties for digging. But for screw foundations, rocks are less of an obstacle.
Installation tools can work screws between stones and boulders, anchoring directly into the stable material without large-scale excavation. In many cases, only minor site preparation is needed.
Sloping Sites
Level Foundations Without Bulk Earthworks
Sloping ground usually means levelling the site through excavation or building retaining walls – both of which are disruptive and costly.
Ground screws and helical screw piles avoid this by being installed at different depths, then levelled at the head. The result is a flat, stable foundation without reshaping the ground.
Reliable Across Seasons
firm no matter the weather
Because screw foundations transfer loads into deeper soil layers, they remain stable even as the topsoil changes due to weather and temperature fluctuations.
Rain, frost, or drought may affect the surface, but the foundations below stay firm. For builders, that means fewer worries about movement or subsidence.
Frequently Asked Questions About Our Foundation Systems
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Our screws are hot-dip galvanised and CE approved, with a 20-year guarantee as standard. In most cases they’ll last decades longer, giving you reliable foundations for 30–50 years depending on conditions.
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Most likely, but do ask us first. We’ve supplied screws for clay, sand, peat, and even rocky ground. With different lengths and specifications, we can match the right product to your site. If in doubt, our team can advise.
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Ground screws themselves don’t require permission, but the structure you’re building might. If you’d normally need permission for an extension or large garden building, you’ll still need it regardless of the foundation type.
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Properly installed, screws handle everything from small sheds and decks to full modular buildings. For larger projects, we carry out on-site load testing and provide the documentation needed for building control.
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Many people do. With the right tool (which can be rented or purchased), you can install screws for sheds, decking, or even garden rooms. For bigger builds or when paperwork is needed, our installation teams cover the whole of the UK.
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Unlike concrete, screws can be removed cleanly – and even reused. That makes them ideal for temporary structures or projects that may evolve.
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Both are screw-based foundation systems. Ground screws are smaller steel shafts with helical blades that can be installed by hand or with lightweight machinery – they’re ideal for domestic and light commercial projects such as decking, garden rooms, sheds, and fencing.
Helical screw piles are larger, heavier-duty foundations consisting of steel tubular shafts with precisely welded helical plates. They’re machine-installed using excavators equipped with rotary torque drivers, allowing them to reach deeper into the soil and support much greater loads.
In both cases, you get the core benefits of screw foundations – no concrete, no cure time, instant load-bearing capacity, and minimal site disruption.
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Yes. Unlike smaller ground screws – which are available for DIY self-installation – helical screw piles require machine installation using a tracked machine or excavator fitted with a rotary torque driver and integrated torque monitoring system. This is carried out by our trained, in-house installation teams.
Professional installation also means you receive a comprehensive torque pile log for every pile, detailing installation torque, depth, pile identification, and performance data. This is typically required by structural engineers and building control for larger projects.
Our team handles everything from site survey and GPS mark out through to final levelling and documentation, so you have complete confidence in your foundations from day one.
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We supply and install screw foundation systems across a wide range of sectors, including residential and domestic, highways, rail, energy and BESS, water utilities, and civil infrastructure.
Our helical screw pile applications include property extensions, residential houses, modular buildings, bridges and walkways, gantries, towers and masts, battery storage units and data centres, retaining walls and pile caps, and underpinning.
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Concrete foundations require excavation, formwork, pouring, and several weeks of curing time before any load can be applied. That means multiple site visits, heavy plant, spoil removal, and weather-dependent schedules.
Helical screw piles bypass all of that. They’re machine-installed in hours, instantly load-bearing, and produce no spoil or waste. Every pile is monitored during installation using calibrated torque equipment, which rapidly provides verified load data.
For engineers and building control, the documentation is straightforward – comprehensive torque pile logs and deep foundation software certification are provided on completion, removing the back-and-forth that often comes with traditional piling methods.