Foundations &
Groundworks
Professional groundworks, excavation, foundations, drainage, and concreting across London and Hertfordshire. The solid base every project needs.
Groundworks Services
Excavation & Earthworks
Site clearance, bulk excavation, and earthmoving for all project types — extensions, new builds, basements, and garden studios.
Foundations
Strip, pad, raft, and pile foundations designed to Building Regulations. We work with structural engineers to ensure correct specification.
Drainage & Utilities
Foul and surface water drainage, soakaways, inspection chambers, and utility diversions. CCTV drainage surveys available.
Concreting
Reinforced concrete slabs, oversite concrete, beam and block floors, and concrete driveways and hardstandings.
Retaining Walls
Brick, block, and concrete retaining walls for level changes, basement construction, and boundary features.
Underpinning
Traditional mass concrete underpinning and mini-pile underpinning for subsidence, basement lowering, and foundation strengthening.
"TCM carried out all the groundworks for our rear extension in Ilford. They were professional, tidy, and completed the foundations ahead of schedule. The building inspector was very complimentary about the quality of the work."
Groundworks FAQs
Need Groundworks?
Contact TCM Building for a free site visit and detailed quotation for all groundworks, foundations, and drainage work.
Planning a new build, extension, or major landscaping project? You're probably thinking about the exciting parts, but also feeling the pressure of getting the groundwork right. It's a big undertaking, and the thought of potential issues down the line can be a real worry. We get it; laying the right foundations is everything. So, what are groundworks, really? Simply put, it's all the essential work that happens below ground level before any construction begins. This includes preparing your site, digging foundations, installing crucial drainage systems, and laying concrete slabs. It's the unseen hero of any successful building project, ensuring stability and longevity. Why does it matter so much? Because without proper groundworks, even the most beautifully designed building won't stand the test of time. It's about preventing future problems like subsidence, damp, or structural damage. Investing in expert groundworks now saves you significant headaches and costs later, giving you peace of mind that your project is built on solid ground.
You're thinking about a new building project, maybe an extension or a new driveway, and you know you need to get the foundations right. But what exactly does 'getting the foundations right' involve? You might be noticing issues with your current property's drainage, or perhaps you're just starting to research what's needed before any bricks are laid. It's a crucial first step, and understanding the basics of groundworks is key to a smooth project.
What You Need to Know
Solid Foundations for Lasting Stability
Your building's foundation is its backbone. We specialise in digging and laying robust foundations that are perfectly suited to your site's specific ground conditions, ensuring maximum stability and compliance with all regulations. You can trust us to create a base that will support your structure for decades to come.
Efficient Drainage Solutions
Effective drainage is absolutely vital to protect your property from water damage and ensure a healthy environment. We design and install comprehensive drainage systems, including foul and surface water drainage, to manage water flow efficiently and prevent future issues. We'll make sure your site stays dry and protected.
Precise Excavation & Site Preparation
Every successful project starts with meticulous site preparation. Our team handles all aspects of excavation, from clearing the site to digging trenches and levelling the ground with precision. We'll get your site ready for the next stage of construction, quickly and safely.
Durable Concrete Slabs & Retaining Walls
Need a strong base for an outbuilding or a reliable solution for sloped terrain? We construct high-quality concrete slabs and retaining walls that are built to last. Our work provides the essential structural support and stability your project demands, giving you confidence in the finished result.
Everything Else You Should Know
Understanding Groundworks Costs
How much do groundworks cost? It's a common question, and the answer really depends on your project's scope, site conditions, and the specific services you need. We provide transparent, detailed quotes so you know exactly what to expect, with no hidden surprises. Let's discuss your project to give you an accurate estimate.
Navigating Planning & Regulations
Dealing with planning permissions and building regulations can feel like a minefield, can't it? Our team has extensive experience working within local authority guidelines in Borehamwood and Hertfordshire. We'll help ensure your groundworks comply with all necessary standards, making the process smoother for you.
Why Professional Groundworks Beat DIY
You might be wondering if you can tackle some groundworks yourself. While some minor tasks are manageable, professional groundworks involve complex engineering, heavy machinery, and a deep understanding of soil mechanics and drainage. Choosing experts like us means your project benefits from precision, safety, and guaranteed compliance, saving you time and potential costly mistakes.
Avoiding Common Groundworks Pitfalls
What are the biggest mistakes people make with groundworks? Often, it's underestimating the importance of proper site investigation, incorrect drainage installation, or using substandard materials. We're here to guide you through every step, helping you avoid these common pitfalls and ensuring your project's long-term success.
Where We Deliver Groundworks
TCM Building & Maintenance is based in Borehamwood and serves Hertfordshire, North London, and the surrounding area. Each location page covers planning authority details, property types, and local considerations specific to that area.
Our home base. Fast response times across the whole town.
Serving Radlett's conservation areas and Green Belt properties.
Covering Bushey, Bushey Heath, and the surrounding Hertsmere area.
Serving Potters Bar, Brookmans Park, Northaw, and Cuffley.
Full coverage across Watford and the Three Rivers district.
Experienced in St Albans conservation areas and listed buildings.
Covering Hatfield, Welham Green, Birchwood, and Old Hatfield.
Specialists in the WGC Conservation Area's Arts and Crafts properties.
Serving all parts of the London Borough of Barnet.
Covering Edgware, Canons Park, Burnt Oak, and Queensbury.
Serving Stanmore, Harrow Weald, Belmont, and the surrounding area.
Not sure if we cover your area? Call 07305 121634 — we serve a wide area across Hertfordshire and North London.