--- title: "Building & Groundworks Services in King's Lynn | Humphries Construction" description: "Full list of building and groundworks services across King's Lynn, West Norfolk and Norwich, extensions, garage conversions, foundations, driveways, bricklaying and more. 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Every job priced in writing, insured to £1M, and personally run by Jason with 25+ years' on-site experience. [Request Your Free Quote](/contact) [Call 07460 036540](tel:+447460036540) £1M public liability insured Free site survey within 7 days Fixed written pricing What we do ## Nine core services, one accountable builder. Choose a service below to see full detail, fixed-price ranges and typical timelines. Everything is delivered by [Humphries Construction](/about), no subcontracting the main works, no salespeople between you and the person building your job. [ ![Aerial view of foundation trenches and concrete pump pouring footings on a Norfolk site | groundworks in King's Lynn by Humphries Construction](/__l5e/assets-v1/3759c5db-e751-403b-af69-468f2fee263b/service-card-groundworks.jpg) Groundworks · West Norfolk ### Groundworks Contractor Everything above the ground is only ever as good as what's below it. Humphries Construction is groundworks-led: we set out, dig, drain and pour the slab so the trades that follow inherit a job that's square, level and dry, not one they have to fight. See details ](/services/groundworks)[ ![Finished two-storey rear extension with bifold doors and pitched tiled roof | home extensions in King's Lynn by Humphries Construction](/__l5e/assets-v1/5bbcc651-ec57-47ce-b197-c9b7736b8152/service-card-extensions.jpg) Extensions · King's Lynn & West Norfolk ### Home Extensions Builder A well-built extension changes how a house feels every day and adds real value the day you sell. We take extensions ground-up: foundations, structural steels, brickwork, roof, plaster, second fix, all managed from one contract, with a fixed written price and a 10-year structural warranty in the paperwork. See details ](/services/extensions)[ ![Completed garage conversion with black weatherboard cladding | garage conversions in King's Lynn by Humphries Construction](/__l5e/assets-v1/eb2d6f13-6e6c-4498-9fcc-5ae998191e69/garage-conversion-finished-01-black-weatherboard-kingslynn.jpg) Garage Conversions · West Norfolk ### Garage Conversions Most integral garages are wasted space. A properly converted garage adds a full room, bedroom, home office, gym or utility, for a fraction of an extension's cost, and finishes to the same standard as the rest of your house. We handle everything from insulation and building control to plaster and second fix. See details ](/services/garage-conversions)[ ![Bricklayer building blockwork foundations on a new-build slab beside a septic tank installation on a Norfolk fen site | new build groundworks in King's Lynn by Humphries Construction](/__l5e/assets-v1/b0fffdf4-3a2a-4ed2-9c0a-0cfe9b7ae5ba/service-card-new-build-groundworks.jpg) New Build Groundworks · West Norfolk ### New Build Groundworks Whether you're a self-builder on a single plot or a developer running a small residential scheme, we deliver groundworks packages that hand a clean, accurate platform to the frame contractor, set out to your engineer's drawings, on programme, and priced on either a fixed package or day rate depending on scope certainty. See details ](/services/new-build-groundworks)[ ![Freshly laid tarmac driveway serving a new-build bungalow development | driveways in King's Lynn by Humphries Construction](/__l5e/assets-v1/b2004145-629c-41c4-a2d5-7859318331c4/service-card-driveways.jpg) Driveways · King's Lynn & West Norfolk ### Driveway Installation Most failed drives look fine on day one. The rocking blocks, subsiding kerbs and puddles show up two winters later, because the sub-base underneath was rushed. We're groundworkers first, so your drive is dug, drained and compacted correctly before the finish surface ever touches it. See details ](/services/driveways)[ ![Rebar-reinforced foundation ready for concrete pour | foundations and footings in King's Lynn by Humphries Construction](/__l5e/assets-v1/89f17b6c-76ae-4cec-bbec-7d87ff383fea/new-build-groundworks-in-progress-03-rebar-foundation-kingslynn.jpg) Foundations & Footings · West Norfolk ### Foundations & Footings Foundations are the one part of a build that has to be right, because everything else depends on them and nobody sees them once they're covered. We dig to the depth ground conditions and your engineer's calcs actually demand, coordinate the building control inspection, and pour to spec. See details ](/services/foundations-footings)[ ![In-progress facing brickwork around a new window opening on a King's Lynn extension | bricklaying in King's Lynn by Humphries Construction](/__l5e/assets-v1/2dedcfea-a9c5-44ca-a2a4-c179c308768b/home-extension-in-progress-02-brickwork-window-kingslynn.jpg) Bricklaying · West Norfolk ### Bricklayer Bricklaying is a trade you notice when it's wrong, bowing courses, inconsistent joints, mismatched mortar, weep vents in the wrong place. We build brickwork to gauge, on plumb, with clean pointing that stays true through frost and rain. See details ](/services/bricklaying)[ ![Aerial view of new-build roof framing under construction | general building in King's Lynn by Humphries Construction](/__l5e/assets-v1/8f67993f-d00f-4fb5-b9ba-e3b4d4e766dd/new-build-in-progress-01-aerial-roof-framing-kingslynn.jpg) General Building · West Norfolk ### General Builder Not every job is a full extension. Sometimes you need a wall out, a steel put in, a bathroom relocated, a structural repair sorted or an old kitchen area reconfigured properly. General building work needs the same discipline as a big job, priced honestly, planned properly and finished cleanly. See details ](/services/general-building) Where we work ## Every service, everywhere we work . Prefer to start by location? Browse the full list of [areas we cover across West Norfolk](/areas) : including our home town of [King's Lynn](/areas/kings-lynn), [Norwich](/areas/norwich), [Hunstanton](/areas/hunstanton), [Downham Market](/areas/downham-market) and [Fakenham](/areas/fakenham). ## Get a fixed written quote within 3 working days. Tell us what you're planning, extension, driveway, foundations or groundworks. Jason will visit within 7 days and price it in writing. [Request Your Free Quote](/contact) [Call 07460 036540](tel:+447460036540) ![Humphries Construction](/__l5e/assets-v1/2400a8ee-f8ea-4946-a84c-85d5685b2f83/humphries-logo.png) Groundworks and general building contractor serving King's Lynn, West Norfolk and beyond. Owner-managed by Jason Humphries with 25+ years on the tools. £1M Public Liability Insured #### Services - [Groundworks](/services/groundworks) - [Extensions](/services/extensions) - [Garage Conversions](/services/garage-conversions) - [New Build Groundworks](/services/new-build-groundworks) - [Driveways](/services/driveways) #### Areas Covered - King's Lynn - West Norfolk - Norwich · Downham Market - Swaffham · Fakenham - Hunstanton · Wisbech · Dereham #### Contact - [07460 036540](tel:+447460036540) - [info@humphriesconstruction.co.uk](mailto:info@humphriesconstruction.co.uk) - Station Cottage, Gayton Road, East Winch, Norfolk - Mon–Fri 7am–7pm Sat 8am–5pm · Sun 10am–4pm © 2026 Humphries Construction. All rights reserved. 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