Builder & Groundworks Contractorin King's LynnOwner-managed, local, and on your job within weeks
King's Lynn is on our doorstep: 15 minutes from our East Winch yard. We know the property stock, the ground conditions and the local building control team, which means fewer surprises for you and a faster start on site.
A local builder,
not a passing van.
Humphries Construction is based at East Winch, just outside King's Lynn. It's our home town in every sense, from the Georgian terraces around King Street and the Historic Quarter, to the post-war housing at Gaywood, Fairstead and North Lynn, and the newer developments springing up around Hardwick and Marsh Lane. We build extensions, groundworks, conversions and driveways across the whole of King's Lynn and the immediate villages.
We cover the entire PE30, PE31, PE33 and PE34 postcode area, King's Lynn town centre, Gaywood, South Lynn, North Lynn, Fairstead, Hardwick, West Lynn, plus the surrounding villages of Middleton, West Winch, North Runcton, Clenchwarton and Terrington St Clement.
Free site survey in King's Lynn is typically booked within 5–7 days of your call. Jason himself does the survey, no salesperson. Written itemised quote follows within 3 working days.
- Georgian and Victorian terraces around the Historic Quarter
- Interwar and post-war housing at Gaywood and Fairstead
- 1960s–70s estates at North Lynn and South Lynn
- Newer estate housing at Hardwick and Marsh Lane
- Rural cottages and farmhouses in the surrounding villages
- Rear kitchen-diner extensions on interwar semis
- Garage conversions on 1970s and 1980s estates
- New block paved and resin driveways
- Foundations and drainage on plot infill developments
- Patios and landscaping to rear gardens
What we build
for King's Lynn homeowners.
Groundworks
Foundations, drainage, muck-away and slabs, the base every other trade builds on.
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Extensions
Full single and double-storey extensions, project-managed to a 10-year structural warranty.
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Garage Conversions
Cold garages turned into properly insulated habitable rooms in 4–8 weeks.
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New Build Groundworks
Setting out to oversite packages for self-builders and small developers.
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Driveways
Block, resin, gravel and tarmac drives built on a properly compacted sub-base.
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Foundations & Footings
Strip, trench-fill, mass-fill and stepped foundations to engineer's spec.
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Bricklaying
Cavity walls, garden walls, chimneys and match-in repair work built to gauge.
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General Building
Knock-throughs, structural steels, chimney breast removal and refurbishment.
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Patios & Landscaping
Patios laid on a full mortar bed with correct falls and drainage, not sand.
See detailsThe reasons King's Lynn homeowners
actually pick us.
15 minutes down the road
Our yard is at East Winch. That's genuinely local, parts runs, second visits and snagging trips don't turn into all-day expeditions.
We know the housing stock
From the Historic Quarter's Georgian brick to Fairstead's cavity-wall semis, we've worked on all of it. Fewer surprises when the plaster comes off.
Local trade accounts
Established accounts with local brick merchants, concrete plants and plant hire firms in King's Lynn means faster material delivery and better pricing.
Building control familiarity
We work regularly with the West Norfolk borough council building control team, which keeps inspections booked and stages signed off on programme.
Fixed, written prices
Every King's Lynn quote is itemised and fixed in writing. Variations are only agreed in writing before work happens.
Insurance and warranty in writing
£1M public liability insured. 10-year structural warranty on every extension. 2-year workmanship guarantee on garage conversions, no small print surprises.
What we see
on King's Lynn properties.
King's Lynn's building stock is a real mix, medieval merchant houses in the Historic Quarter, sold-off council semis at Gaywood, and post-1980s estates on the outskirts. Each brings its own set of issues that shape how we quote and plan a job.
Old damp courses in older stock
Georgian and Victorian terraces around the Historic Quarter and King Street often have failed or non-existent DPCs. Any groundworks or extension against these walls needs a plan for damp and lateral moisture.
Shrinkable clay near mature trees
Older gardens across King's Lynn have mature trees that draw seasonally on shrinkable clay. Foundations near them need to go deeper than the standard 900mm, engineered depth is not optional.
Riverside and low-lying drainage
Properties near the Great Ouse and low-lying land in South Lynn need careful surface water design. Soakaways don't always percolate; sometimes SW connection or attenuation is the right call.
Conservation-area sensitivities
Work in the King's Lynn Historic Quarter conservation area needs brick and mortar matching that respects the original. We source through local merchants and reclamation yards to get it right.
Three steps.
Same everywhere we work.
- 01
Free site survey
We visit within 7 days, walk the job with you and understand exactly what you want built.
- 02
Fixed written quote
Itemised written quote, usually within 3 working days. No pressure, no obligation.
- 03
On site & handover
Contract signed, works start within 4–8 weeks. Stage payments and final handover with paperwork.
Straight answers,
local specifics.
If your question about King's Lynn isn't below, call Jason on 07880 333321, he'll answer honestly whether it's a job for us or not.
Do you cover the whole of King's Lynn?
How quickly can you get to a King's Lynn site?
How much do extensions cost in King's Lynn?
How much is a new driveway in King's Lynn?
Do you offer emergency work in King's Lynn?
Are you familiar with King's Lynn planning and building control?
Can you match brickwork in the King's Lynn Historic Quarter?
Do you work in the surrounding villages?
What insurance and guarantees apply in King's Lynn?
Get your King's Lynn project priced by someone who actually lives here.
Free site survey within 7 days across King's Lynn. Written, itemised fixed quote within 3 working days. Owner-managed by Jason personally, no call centre, no middlemen.
Also serving
We cover King's Lynn and the surrounding West Norfolk villages and market towns from our East Winch yard.