--- title: "Foundations & Footings Contractor Essex | Digger T" description: "Precision foundation and footing services across Essex & East London. Strip, trench-fill and pad foundations for extensions and new builds. Call 07307 976736." lang: en json-ld: | [ { "@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [ { "@type": "ListItem", "position": 1, "name": "Home", "item": "https://diggert.co.uk/" }, { "@type": "ListItem", "position": 2, "name": "Services", "item": "https://diggert.co.uk/services" }, { "@type": "ListItem", "position": 3, "name": "Foundations & Footings", "item": "https://diggert.co.uk/services/foundations" } ] }, { "@context": "https://schema.org", "@type": "Service", "name": "Foundations and Footings", "provider": { "@type": "LocalBusiness", "name": "Digger T", "telephone": "07307976736", "email": "info@diggert.co.uk" }, "areaServed": [ "Essex", "East London", "Brentwood", "Billericay", "Basildon", "Southend-on-Sea", "Colchester", "Romford" ], "description": "Precision foundation and footing services for extensions, new builds, and conversions across Essex and East London." }, { "@context": "https://schema.org", "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "How much do foundations cost for a house extension in Essex?", "acceptedAnswer": { "@type": "Answer", "text": "Foundation costs for a typical rear extension range from £2,500 to £8,000, depending on size, depth, and ground conditions. Deeper foundations in clay soil or near trees cost more due to additional excavation and concrete. We provide free, itemised quotes for every project." } }, { "@type": "Question", "name": "How deep do foundations need to be?", "acceptedAnswer": { "@type": "Answer", "text": "Minimum depth is 450mm, but in Essex (particularly in clay soils) depths of 900mm–1500mm are common. Proximity to trees can require even deeper foundations. The exact depth is specified by a structural engineer based on site-specific conditions." } }, { "@type": "Question", "name": "How long does it take to lay foundations?", "acceptedAnswer": { "@type": "Answer", "text": "Most residential foundation jobs take 2–5 working days from excavation to concrete pour. This includes setting out, digging, building control inspection, and pouring. Concrete typically needs 48–72 hours before blockwork can begin." } }, { "@type": "Question", "name": "Do I need a structural engineer for foundations?", "acceptedAnswer": { "@type": "Answer", "text": "Yes, for any building work requiring building control approval. The structural engineer produces foundation drawings specifying dimensions, depths, concrete specifications, and reinforcement. We work precisely from these drawings." } }, { "@type": "Question", "name": "What happens if you hit rock or water during excavation?", "acceptedAnswer": { "@type": "Answer", "text": "We deal with unexpected ground conditions regularly. Rock may require breaking equipment. High water tables may need temporary dewatering. We discuss any additional requirements transparently and adjust the approach with you and the engineer." } }, { "@type": "Question", "name": "Can you underpin existing foundations?", "acceptedAnswer": { "@type": "Answer", "text": "We carry out underpinning work to stabilise or deepen existing foundations that have settled or are inadequate for new loads. This is common when converting lofts, adding storeys, or addressing subsidence issues." } }, { "@type": "Question", "name": "Do you pour the concrete yourselves?", "acceptedAnswer": { "@type": "Answer", "text": "We coordinate the concrete delivery and pour, ensuring the correct mix, volume, and placement. For larger pours, we use pump trucks to access difficult areas. We manage the entire process from ordering to finishing." } }, { "@type": "Question", "name": "What areas do you cover?", "acceptedAnswer": { "@type": "Answer", "text": "We serve Essex and East London, including Brentwood, Billericay, Basildon, Southend-on-Sea, Colchester, Romford, and surrounding areas." } }, { "@type": "Question", "name": "Can you build the blockwork as well?", "acceptedAnswer": { "@type": "Answer", "text": "Yes, we can construct blockwork from the foundations up to DPC level, ready for the bricklayer or main build contractor to continue. This provides a seamless handover." } }, { "@type": "Question", "name": "Is your foundation work guaranteed?", "acceptedAnswer": { "@type": "Answer", "text": "Yes. We guarantee all our workmanship and ensure every foundation meets the structural engineer's specification and building regulations. We stand behind our work." } } ] } ] --- [![Digger T Groundworks & Excavation](/assets/logo-9RX3RmIQ.png)](/) [Home](/)[About](/about) Services Areas [Our Work](/our-work)[Reviews](/reviews)[Specials](/specials)[Contact](/contact) [07307 976736](tel:07307976736)[Free Estimate](/contact) 1. [Home ](/) 2. [Services](/services) 3. Foundations & Footings Foundation Specialists · Essex & East London # Strong Foundations. Precise Footings. Zero Compromise. Every structure is only as strong as what sits beneath it. We deliver precision foundation work that passes building control first time and stands solid for decades. [Get Your Free Estimate](/contact)[07307 976736](tel:07307976736) ★ Rated 5/5 across Essex & East London · Free no-obligation estimates · Response within 24 hours 15+ Years Experience 500+ Foundations Laid 100% Fully Insured 24hr Quote Response 5★ Client Rating Service Overview ## What This Service Covers ### What It Is Foundations and footings are the structural base of any building. They transfer the weight of walls, floors, and roofs into the ground, distributing loads safely to prevent movement, cracking, or collapse. At Digger T, we excavate and pour all types of foundations — strip foundations, trench-fill foundations, pad foundations, and raft foundations — for house extensions, new builds, garage conversions, garden rooms, boundary walls, and commercial structures across Essex and East London. ### Who It's For Homeowners building extensions, conservatories, garden rooms, or outbuildings. Builders and developers constructing new residential or commercial properties. Architects and structural engineers who need a reliable groundworks partner to execute their foundation designs accurately. Anyone replacing or underpinning existing foundations that have failed. ### When You Need It Foundations are required at the start of any construction project that involves new walls or load-bearing structures. You need foundation work for house extensions (rear, side, and wrap-around), new builds, garage and outbuilding construction, garden rooms and annexes, boundary and retaining walls, and any structure that requires building control approval. ### Why Professional Help Matters Foundation work is the most critical stage of any build. Errors at this stage are the most expensive to fix and the most dangerous to ignore. Incorrect depths, poor concrete mixes, inadequate compaction, and failure to account for tree roots or ground conditions cause cracking, subsidence, and structural failure. A professional foundation contractor understands soil mechanics, building regulations, and structural engineering requirements — ensuring your foundations are right first time. Why This Matters ## What Happens If You Get This Wrong Foundation failures don't announce themselves immediately. They develop slowly, often hidden beneath floors and finishes, until the damage becomes serious and the repair costs become substantial. - ! Structural cracking in walls that starts small and progressively worsens as foundations settle unevenly — repair costs typically exceed £15,000–£40,000 for underpinning. - ! Building control rejections that halt your project for weeks because foundations weren't dug to the correct depth or the concrete specification was wrong. - ! Extensions that physically separate from the main house, creating gaps in walls and rooflines that allow water ingress and compromise structural integrity. - ! Doors and windows that jam or won't close properly as the structure moves on inadequate foundations — a constant reminder that something is fundamentally wrong. - ! Complete demolition and rebuild required in worst cases where foundations have failed beyond the point of economic repair. - ! Insurance claims rejected because the foundation work wasn't carried out by a qualified contractor or didn't meet building regulations. Our Process ## How We Deliver Results 01 ### Site Assessment & Ground Investigation We assess ground conditions, check for tree root influence zones, review structural engineer's drawings, and confirm foundation depths and specifications. We identify any potential issues before work begins. 02 ### Setting Out & Excavation Foundation positions are accurately set out using engineering measurements. We excavate to the specified depths, ensuring clean, level trenches with stable sides. Bottoms are inspected for consistent bearing capacity. 03 ### Building Control Inspection We coordinate with building control to inspect the excavated trenches before concrete is poured. This ensures depths, widths, and ground conditions meet the structural engineer's specifications and building regulations. 04 ### Concrete Pouring & Finishing Concrete is poured to the specified mix and level. For trench-fill foundations, concrete is brought up to within 150mm of ground level. Strip foundations receive concrete to the specified depth with blockwork built up to DPC level. 05 ### Completion & Handover Foundations are left to cure, the site is tidied, waste is removed, and we provide documentation for building control records. The site is handed over ready for the next phase of construction. Benefits ## What You Get When You Choose Digger T ### First-Time Building Control Pass Our foundations are dug and poured to specification — meaning building control sign-off without delays, re-inspections, or costly modifications. ### Structural Confidence for Decades Properly engineered foundations prevent settlement, cracking, and structural movement. Your extension or new build stays solid. ### Accurate to Engineer's Specification We work precisely from structural engineer drawings. Depths, widths, reinforcement, and concrete mixes are followed exactly as specified. ### Fast, Efficient Turnaround Most residential foundation jobs are completed within 2–5 working days. Your build doesn't wait — we keep the programme moving. ### Complete Groundworks Package We handle excavation, foundation pouring, drainage, and backfill. One contractor, one point of contact, no coordination headaches. ### Transparent Pricing Detailed quotes covering every aspect of the work. No ambiguity, no surprise costs, no awkward conversations mid-project. In-Depth Guide ## Everything You Need to Know ### Types of Foundations We Install Strip foundations are the most common type for domestic construction. They consist of a continuous strip of concrete beneath load-bearing walls, typically 600mm wide and 225mm deep as a minimum, though dimensions vary based on loading and ground conditions. We excavate the trenches, pour concrete to the specified level, and build blockwork up to damp-proof course (DPC) level. Trench-fill foundations are a faster alternative where the entire trench is filled with concrete to near ground level. This method is particularly suited to deeper foundations (often required in clay soils near trees) as it eliminates the need for blockwork below ground. The additional concrete cost is offset by reduced labour time. Pad foundations are isolated concrete pads used to support point loads from steel columns or posts. These are common in steel-frame buildings, large span structures, and where ground beams are used. Raft foundations spread the entire building load across a concrete slab — used where ground conditions are poor or variable. ### Foundation Depths in Essex Minimum foundation depth in the UK is 450mm to the underside of the concrete. However, in Essex, where London clay is prevalent, depths of 900mm to 1500mm are common. Clay shrinks and swells with moisture changes, and tree roots extract water from the soil, causing further movement. The proximity of trees significantly affects required foundation depths. NHBC guidelines specify minimum depths based on tree species, mature height, and distance from the building. Oak, willow, and poplar trees have the greatest influence. We follow structural engineer specifications that account for these factors, ensuring your foundations are deep enough to avoid heave or settlement damage. ### Concrete Specifications and Reinforcement Foundation concrete is typically specified as C25 or C30 mix, depending on the structural engineer's design. In aggressive ground conditions (sulphate-bearing soils, which are found in some parts of Essex), sulphate-resistant cement may be required. Reinforcement is added where structural loads require it. This includes steel rebar in strip foundations under heavy point loads, mesh reinforcement in raft foundations, and starter bars where walls will be built from the foundation. All reinforcement is installed to the engineer's specification with correct cover depths to prevent corrosion. ### Building Regulations for Foundations Foundation work falls under Building Regulations Approved Document A (Structure). All foundation excavations must be inspected by building control before concrete is poured. The inspector checks trench dimensions, ground conditions, and confirms the bearing capacity of the soil. We ensure all our foundation work is ready for inspection by maintaining clean, properly dimensioned trenches and providing the building control officer with the structural engineer's drawings. This avoids delays and ensures a smooth approval process. Frequently Asked Questions ## Common Questions Answered How much do foundations cost for a house extension in Essex? How deep do foundations need to be? How long does it take to lay foundations? Do I need a structural engineer for foundations? What happens if you hit rock or water during excavation? Can you underpin existing foundations? Do you pour the concrete yourselves? What areas do you cover? Can you build the blockwork as well? Is your foundation work guaranteed? ## Ready to Get Started? Speak to Anthony directly. No pressure, no obligation — just honest advice and a clear quote for your project. [Request Free Estimate](/contact)[Call 07307 976736](tel:07307976736) Fully insured · Free estimates · Serving Essex & East London ## Related Services [Groundworks Contractors ](/services/groundworks)[Drainage Installation & Repairs ](/services/drainage)[Site Clearance & Preparation ](/services/site-clearance)[Demolition Contractors ](/services/demolition)[Trenching & Excavation ](/services/trenching)[Contact Us ](/contact) ![Digger T Groundworks & Excavation](/assets/logo-9RX3RmIQ.png) Professional groundworks and excavation services across Essex and East London. Trusted by homeowners and developers alike. ## Our Services - [Groundworks Contractors](/services/groundworks) - [Drainage Installation](/services/drainage) - [Foundations & Footings](/services/foundations) - [Site Clearance](/services/site-clearance) - [Demolition](/services/demolition) - [Driveway Installation](/services/driveways) ## Service Areas - [Essex](/areas/essex) - [East London](/areas/east-london) - [Brentwood](/areas/brentwood) - [Billericay](/areas/billericay) - [Basildon](/areas/basildon) - [Southend-on-Sea](/areas/southend-on-sea) - [Colchester](/areas/colchester) - [Romford](/areas/romford) ## Get in Touch - [07307 976736](tel:07307976736) - [info@diggert.co.uk](mailto:info@diggert.co.uk) - Essex & East London © 2026 Digger T. All rights reserved. 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