--- title: "Builder & Groundworks Contractor in Downham Market | Humphries Construction" description: "Extensions, groundworks, garage conversions and driveways in Downham Market and the Fen-edge villages. Owner-managed, ~20 min from our East Winch yard." lang: en-GB json-ld: | [ { "@context": "https://schema.org", "@type": "GeneralContractor", "@id": "/#business", "name": "Humphries Construction", "image": "/favicon.png", "logo": "/favicon.png", "telephone": "+44 7460 036540", "email": "info@humphriesconstruction.co.uk", "url": "/", "address": { "@type": "PostalAddress", "streetAddress": "Station Cottage, Gayton Road", "addressLocality": "East Winch", "addressRegion": "Norfolk", "postalCode": "PE32", "addressCountry": "GB" }, "areaServed": [ "King's Lynn", "Norwich", "West Norfolk", "Downham Market", "Swaffham", "Fakenham", "Hunstanton", "Wisbech", "Dereham" ], "priceRange": "££", "openingHoursSpecification": [ { "@type": "OpeningHoursSpecification", "dayOfWeek": [ "Monday", "Tuesday", "Wednesday", "Thursday", "Friday" ], "opens": "07:00", "closes": "19:00" }, { "@type": "OpeningHoursSpecification", "dayOfWeek": "Saturday", "opens": "08:00", "closes": "17:00" }, { "@type": "OpeningHoursSpecification", "dayOfWeek": "Sunday", "opens": "10:00", "closes": "16:00" } ] }, { "@context": "https://schema.org", "@type": "Organization", "@id": "/#organization", "name": "Humphries Construction", "url": "/", "logo": "/favicon.png", "contactPoint": { "@type": "ContactPoint", "telephone": "+44 7460 036540", "contactType": "customer service", "areaServed": "GB", "availableLanguage": "en-GB" } }, { "@context": "https://schema.org", "@type": "WebSite", "@id": "/#website", "name": "Humphries Construction", "url": "/", "publisher": { "@id": "/#organization" }, "inLanguage": "en-GB" }, { "@context": "https://schema.org", "@type": "GeneralContractor", "@id": "/areas/downham-market#business", "name": "Humphries Construction, Downham Market", "image": "/favicon.png", "telephone": "+44 7460 036540", "email": "info@humphriesconstruction.co.uk", "url": "/areas/downham-market", "priceRange": "££", "address": { "@type": "PostalAddress", "streetAddress": "Station Cottage, Gayton Road", "addressLocality": "East Winch", "addressRegion": "Norfolk", "addressCountry": "GB" }, "areaServed": { "@type": "City", "name": "Downham Market" }, "geo": { "@type": "GeoCoordinates", "latitude": 52.6, "longitude": 0.3822 }, "openingHoursSpecification": [ { "@type": "OpeningHoursSpecification", "dayOfWeek": [ "Monday", "Tuesday", "Wednesday", "Thursday", "Friday" ], "opens": "07:00", "closes": "19:00" }, { "@type": "OpeningHoursSpecification", "dayOfWeek": "Saturday", "opens": "08:00", "closes": "17:00" }, { "@type": "OpeningHoursSpecification", "dayOfWeek": "Sunday", "opens": "10:00", "closes": "16:00" } ] }, { "@context": "https://schema.org", "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Do you cover Downham Market?", "acceptedAnswer": { "@type": "Answer", "text": "Yes, Downham Market and the surrounding Fen-edge villages (Denver, Nordelph, Fordham, Ten Mile Bank, Wimbotsham, Stow Bardolph and beyond) are all part of our regular working area. About 20 minutes from our East Winch yard." } }, { "@type": "Question", "name": "How quickly can you survey a Downham Market site?", "acceptedAnswer": { "@type": "Answer", "text": "Typically within 5–7 days of your call. Written itemised quote follows within 3 working days. Jason surveys personally rather than sending a salesperson." } }, { "@type": "Question", "name": "How much does an extension cost in Downham Market?", "acceptedAnswer": { "@type": "Answer", "text": "A typical single-storey rear extension in Downham Market runs from around £2,000–£2,400 per m² for a straightforward shell finish, rising with glazing spec, kitchen fit-out and structural complexity. Free survey and written fixed quote within 3 working days." } }, { "@type": "Question", "name": "Do you handle Fen-edge groundworks and drainage?", "acceptedAnswer": { "@type": "Answer", "text": "Yes. Fen-edge groundworks often need engineered foundation design and careful drainage, we survey the ground and design accordingly rather than defaulting to standard depths and details." } }, { "@type": "Question", "name": "Are there any planning issues specific to Downham Market?", "acceptedAnswer": { "@type": "Answer", "text": "Parts of the town centre are within a conservation area with heritage constraints on materials and fenestration. We'll flag anything that needs specific planning consent at the survey stage." } }, { "@type": "Question", "name": "Do you offer emergency work in Downham Market?", "acceptedAnswer": { "@type": "Answer", "text": "For existing customers, yes. For new enquiries, call 07460 036540 and Jason will advise honestly whether it's a job we can respond to or a specialist better placed to attend." } }, { "@type": "Question", "name": "Can you match brick and mortar on Georgian townhouses?", "acceptedAnswer": { "@type": "Answer", "text": "Yes, we take samples, source through local merchants and reclamation yards, and match mortar strength and colour. Soft lime mortar on old buildings is repointed in appropriate soft mortar, not modern cement." } }, { "@type": "Question", "name": "Do you work in the villages around Downham Market?", "acceptedAnswer": { "@type": "Answer", "text": "Yes, Denver, Nordelph, Fordham, Ten Mile Bank, Ryston, Wimbotsham, Stow Bardolph and the wider Fen-edge villages are all part of our regular area." } }, { "@type": "Question", "name": "What insurance and guarantees apply in Downham Market?", "acceptedAnswer": { "@type": "Answer", "text": "The same as everywhere we work: £1M public liability, 10-year structural warranty on every extension, 2-year workmanship guarantee on garage conversions, and a written workmanship guarantee on all other jobs." } } ] }, { "@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [ { "@type": "ListItem", "position": 1, "name": "Home", "item": "/" }, { "@type": "ListItem", "position": 2, "name": "Areas", "item": "/#areas" }, { "@type": "ListItem", "position": 3, "name": "Downham Market", "item": "/areas/downham-market" } ] } ] --- [07460 036540 ](tel:+447460036540) [info@humphriesconstruction.co.uk](mailto:info@humphriesconstruction.co.uk) Tue–Mon · 7am–7pm [![Humphries Construction](/__l5e/assets-v1/2400a8ee-f8ea-4946-a84c-85d5685b2f83/humphries-logo.png)](/) [Home](/) Services Areas [Our Work](/our-work)[Reviews](/reviews)[About](/about)[Contact](/contact) [07460 036540](tel:+447460036540)[Request Free Quote](/contact) ![Downham Market's Jubilee Clock Tower on the market square, Norfolk](/assets/area-downham-market-CLxH3Gnm.jpg) [Home](/)Areas Downham Market Downham Market · West Norfolk # Builder & Groundworks Contractor in Downham Market Fen-edge ground conditions, priced honestly Downham Market is 20 minutes from our East Winch yard, regular ground for us. It's also Fen-edge territory, which means groundworks and drainage need proper thought rather than a copy-paste quote off a town-house template. [Request Your Free Quote](/contact) [Call 07460 036540](tel:+447460036540) ~20 min from our East Winch yard Free site survey within 7 days £1M public liability insured 25+ Years experience £1M Public liability ~20 min To Downham Market 7 days To free survey Fixed Written pricing Serving Downham Market ## A local builder, not a passing van. Downham Market is a proper old market town, Georgian centre around the Clock Tower, Victorian and Edwardian terraces, sprawling post-war housing and newer estates along the ring roads. It's also the Fen edge, so the ground east of the town can shift from firm clay to silt to made-up ground within a hundred metres. That's why we always survey a Downham Market site properly before we quote foundations. Coverage We cover Downham Market itself plus the surrounding Fen-edge and West Norfolk villages, Denver, Nordelph, Fordham, Ten Mile Bank, Ryston, Wimbotsham, Stow Bardolph and the wider PE38 postcode. Response times Free site surveys in Downham Market are typically booked within 5–7 days. Jason attends personally, no salesperson. Written itemised quote within 3 working days. Property types we work on - Georgian and Victorian townhouses around the market centre - Interwar and post-war semis on the ring roads - Modern estate housing on the outskirts - Fen-edge cottages and smallholdings on peat or silt - Rural farmhouses on larger village plots Common local needs - Extensions on Georgian and Victorian townhouses (with heritage-appropriate detailing) - Garage conversions on 1970s and 1980s estate housing - Groundworks and drainage packages on Fen-edge plots - Foundations engineered for soft or shrinkable ground - New driveway installation with proper sub-base Services in Downham Market ## What we build for Downham Market homeowners. [ ![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 Foundations, drainage, muck-away and slabs, the base every other trade builds on. 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 Full single and double-storey extensions, project-managed to a 10-year structural warranty. 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 Cold garages turned into properly insulated habitable rooms in 4–8 weeks. 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 Setting out to oversite packages for self-builders and small developers. 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 Block, resin, gravel and tarmac drives built on a properly compacted sub-base. 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 Strip, trench-fill, mass-fill and stepped foundations to engineer's 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 Cavity walls, garden walls, chimneys and match-in repair work built to gauge. 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 Knock-throughs, structural steels, chimney breast removal and refurbishment. See details ](/services/general-building) Why us in Downham Market ## The reasons Downham Market homeowners actually pick us. ### 20 minutes away Downham Market is regular ground for us. Second visits, snagging and parts runs don't turn into an all-day expedition. ### Fen-edge experience We know when a Downham site needs deeper foundations, engineered raft, or upgraded drainage design rather than the standard trench-fill and soakaway. ### Georgian and Victorian know-how Extensions on older Downham Market townhouses need heritage-appropriate brick matching, mortar and detailing. We source samples and tint mortar rather than default to modern spec. ### Local building control We work regularly with West Norfolk building control across Downham Market and know how their inspection scheduling and drainage sign-off works. ### Trade accounts locally Local trade accounts with brick merchants and concrete plants mean quicker delivery and better prices than an out-of-area contractor. ### Fixed written pricing Every Downham Market quote is itemised and fixed in writing. No mid-job surprises. Local conditions ## What we see on Downham Market properties. Downham Market sits on the edge of the Fens, which changes the rules for groundworks and drainage compared with towns on firmer inland ground. Ignoring it is how you end up with cracked slabs and drives that puddle every winter. ### Soft and variable Fen-edge ground Ground east and south of Downham can include silt, peat and made-up land. Standard 900mm trench-fill often isn't enough, engineered foundation design or raft may be needed. ### Drainage and IDB restrictions Fen-edge properties are often within an Internal Drainage Board area, which affects surface water discharge. Soakaway or attenuation design has to account for it. ### Older Georgian brick and mortar Downham Market's Georgian and Victorian stock needs careful matching, soft lime mortar on older properties should not be repointed in modern cement, which will trap moisture and blow the face off the brick. ### High water table in wet winters Low-lying Downham plots can have a high winter water table. Foundation dewatering may be needed on some sites, we spot it at survey rather than after the digger's stuck. Our process ## Three steps. Same everywhere we work. [Talk to Jason](tel:+447460036540) 1. 01 ### Free site survey We visit within 7 days, walk the job with you and understand exactly what you want built. 2. 02 ### Fixed written quote Itemised written quote, usually within 3 working days. No pressure, no obligation. 3. 03 ### On site & handover Contract signed, works start within 4–8 weeks. Stage payments and final handover with paperwork. FAQ · Downham Market ## Straight answers, local specifics. If your question about Downham Market isn't below, call Jason on 07460 036540, he'll answer honestly whether it's a job for us or not. Do you cover Downham Market? Yes, Downham Market and the surrounding Fen-edge villages (Denver, Nordelph, Fordham, Ten Mile Bank, Wimbotsham, Stow Bardolph and beyond) are all part of our regular working area. About 20 minutes from our East Winch yard. How quickly can you survey a Downham Market site? Typically within 5–7 days of your call. Written itemised quote follows within 3 working days. Jason surveys personally rather than sending a salesperson. How much does an extension cost in Downham Market? A typical single-storey rear extension in Downham Market runs from around £2,000–£2,400 per m² for a straightforward shell finish, rising with glazing spec, kitchen fit-out and structural complexity. Free survey and written fixed quote within 3 working days. Do you handle Fen-edge groundworks and drainage? Yes. Fen-edge groundworks often need engineered foundation design and careful drainage, we survey the ground and design accordingly rather than defaulting to standard depths and details. Are there any planning issues specific to Downham Market? Parts of the town centre are within a conservation area with heritage constraints on materials and fenestration. We'll flag anything that needs specific planning consent at the survey stage. Do you offer emergency work in Downham Market? For existing customers, yes. For new enquiries, call 07460 036540 and Jason will advise honestly whether it's a job we can respond to or a specialist better placed to attend. Can you match brick and mortar on Georgian townhouses? Yes, we take samples, source through local merchants and reclamation yards, and match mortar strength and colour. Soft lime mortar on old buildings is repointed in appropriate soft mortar, not modern cement. Do you work in the villages around Downham Market? Yes, Denver, Nordelph, Fordham, Ten Mile Bank, Ryston, Wimbotsham, Stow Bardolph and the wider Fen-edge villages are all part of our regular area. What insurance and guarantees apply in Downham Market? The same as everywhere we work: £1M public liability, 10-year structural warranty on every extension, 2-year workmanship guarantee on garage conversions, and a written workmanship guarantee on all other jobs. Ready when you are · Downham Market ## Get your Downham Market project priced by a builder who knows the ground. Free site survey within 7 days across Downham Market. Written, itemised fixed quote within 3 working days. Owner-managed by Jason personally, no call centre, no middlemen. [Request Your Free Quote](/contact) [Call 07460 036540](tel:+447460036540) What you're covered by - £1,000,000 public liability insurance - 10-year structural warranty on every extension - 2-year workmanship guarantee on garage conversions - Fixed written price, no mid-job surprises Nearby areas ## Also serving We cover Downham Market and the surrounding West Norfolk villages and market towns from our East Winch yard. [King's Lynn ](/areas/kings-lynn)[Wisbech ](/areas/wisbech)[Swaffham ](/areas/swaffham)[West Norfolk ](/areas/west-norfolk)[Not sure we cover you? Ask Jason directly. ](/contact) ![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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