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Surrey / UK
Expert guides & planning tools
Groundworks, drainage, extension and driveway guidance grounded in practical site decisions and linked to official sources.
Survey and design questions
Use these guides to understand the evidence, approvals and site constraints that should be resolved before excavation.
Evidence-led explanations for drainage, foundations, access, approvals and construction planning.
What changes the cost of investigation, excavation, storage, pipework and reinstatement—and why a crate-only price can be misleading.
Read guide Specialist guideA plain-English guide to testing infiltration, interpreting variable Surrey ground and using results within a complete drainage design.
Read guide Specialist guideHow to identify sewer ownership, survey the route and coordinate foundations before an extension reaches the excavation stage.
Read guide Specialist guideA practical guide to the variables behind excavation, foundations, drainage, concrete and spoil removal costs.
Read guidePractical reading
Clear explanations of scope, cost drivers and preparation—written to make the next contractor conversation more useful.
Just to get you started, groundworks are the preparatory, below-ground construction tasks that set the base for any build; they include foundations, drainage and…
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You should budget for a new driveway based on materials and size: typical costs range from £50-£150 per m², with total installations commonly between…
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This concise guide tells you how to prepare the ground for patio installation so you can assess your site, locate any buried services, mark…
Read guideJust when you plan foundations you must assess loads, soil and frost; typical domestic strip depths are 0.9-1.2 metres, but poor or made ground…
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Investment in proper groundworks protects your property and reduces future repair bills by addressing subsidence, drainage failures and structural faults early; by ensuring stable…
Read guideThere's a clear reason you must test soil before construction: it reveals whether your site has hazards such as subsidence, collapse or contamination that…
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Home extension costs in the UK in 2026 depend on size, specification and planning: you should budget roughly £1,200-£2,500 per m² for standard builds,…
Read guideBuilding an extension requires choosing the right foundation to ensure stability, avoid subsidence and support your intended loads; you should base your choice on…
Read guideExtension timelines vary, but you should expect the process from design to completion to take several months; most straightforward single‑storey rear extensions take around…
Read guideIt's imperative that you check whether your extension falls within permitted development rights or needs formal planning permission, because failing to obtain permission can…
Read guideYou should start by securing all necessary paperwork and site safety: obtain planning permission and building-regulations approval, and arrange a structural survey. Protect interiors…
Read guideIt's important that you identify common driveway drainage issues early to prevent flooding and structural damage, and this guide shows ten typical problems with…
Read guideMany gardens suffer from poor drainage due to compacted clay, poor grading or blocked drains, and you need to act swiftly to protect plants…
Read guidePlumbing problems often begin with subtle signs you can spot early: slow drains, gurgling or persistent foul odour, minor surface dampness or mould and…
Read guideIt's important you know common causes-hair, grease, wet wipes and tree roots-and how to prevent them; blocked drains can cause foul odours, flooding and…
Read guideOver the past decades, when choosing between block paving and resin driveways you should weigh durability, appearance, cost and maintenance: block paving offers long-term…
Read guideMaintenance is straightforward if you follow a few simple steps: you should sweep regularly, wash stains promptly to prevent oil and tyre marks that…
Read guideMany homeowners want to extend their driveway, and you need to check planning permission or permitted development rights, apply for a dropped kerb if…
Read guideMaintenance starts with you assessing settlement, checking for pooling water, cracks and whether services or the sub‑base are affected; identify any trip hazard and…
Read guideIt's wise to evaluate slopes on your property because a failing retaining wall can cause dangerous collapse and serious property damage, so you should…
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Just as a flat, poured foundation, a concrete slab gives your building structural support for garages, patios and ground-floor extensions; you need one when…
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The next useful step
Send the project location, photos and drawings so general information can become a practical scope.