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B & K BUILDING SERVICES
Keith Hill
Relax... you have found a reliable extension builder in Kings Lynn & West Norfolk. B & K BUILDING SERVICES is a friendly and reliable company based...
"Single storey extension" - KINGS LYNN, job posted 01/01/26
WEST NORFOLK CONSTRUCTION LTD
Trusted and professional extension builder in Kings Lynn & West Norfolk. Experienced in all extension buildering work and keeping within budget and...
Grey's Construction & Civil Engineering
Grey's Construction & Civil Engineering is an established extension buildering business in Kings Lynn & West Norfolk. We come highly recommended an...
£39/hr
£312/day
Nu-build Norfolk Ltd
Dean Hooks
Need an Extension Builder in Kings Lynn & West Norfolk? Nu-build Norfolk Ltd has been helping local clients (20 mile radius) with their extension b...
£29/hr
£222/day
Pawsey Property Solutions Ltd
Pawsey Property Solutions Ltd are a Norfolk based construction company. Specialising in renovations, conversions and extensions. We have the resour...
£31/hr
£251/day
Bespoke Norfolk Group Ltd
Bespoke Norfolk Group Ltd is a trusted extension builder serving customers in Kings Lynn & West Norfolk and the surrounding area. Contact us to tod...
Compare Kings Lynn & West Norfolk extension builders rates
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Extension Builders near Kings Lynn & West Norfolk | £31 | £238 |
| Extension Builders near King's Lynn | £33 | £254 |
| Extension Builders near Wisbech | £34 | £255 |
| Extension Builders near Dereham | £25 | £203 |
| Extension Builders near Breckland | £28 | £248 |
| Extension Builders near Boston | £28 | £262 |
| Extension Builders near Spalding | £32 | £238 |
| Extension Builders near Thetford | £42 | £277 |
| Extension Builders near Ely | £40 | £279 |
Job estimates from extension builders near you
Whether you’re looking to extend your kitchen with a side return extension or you want to convert your basement into a liveable space, read our cost guides to get an idea of how much each project costs before getting a more accurate quote from our database of reliable tradespeople.

Build a timber frame extension - £25,872

Garden office - £9,872

Granny annexe - £86,872

Build a flat roof extension - £21,872

Convert a Garage - £15,872

Hip to gable loft conversion - £41,872

Convert a bungalow loft - £28,872

Build a dormer loft conversion - £41,872

Build a swimming pool - £80,872

Build a Mansard loft conversion - £51,872

Concrete foundations - £6,122

Underpin a building - £17,372

Two storey extension - £87,808

Convert a basement - £36,060

Side return extension - £40,060

Loft conversion - £32,550

Garage - £18,372

Single storey extension - £52,440

Outbuilding - £9,872

Install an RSJ - £2,072

Build a kitchen extension - £41,872
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