From £21,928
S1 Builders Norfolk is an established and experienced local extension builder in Old Hunstanton. Please contact us for a free, no obligation quote ...
From £21,528
Relax... you have found a reliable extension builder in Old Hunstanton. B & K BUILDING SERVICES is a friendly and reliable company based in Old Hun...
From £21,720
Trusted and professional extension builder in Old Hunstanton. Experienced in all extension buildering work and keeping within budget and on quote. ...
From £21,712
Grey's Construction & Civil Engineering is an established extension buildering business in Old Hunstanton. We come highly recommended and provide c...
From £21,680
NB CONSTRUCTION (UK) LIMITED is an established and experienced local extension builder in Old Hunstanton. Please contact us for a free, no obligati...
From £21,920
Relax... you have found a reliable extension builder in Old Hunstanton. Irvines is a friendly and reliable company based in Old Hunstanton who cons...
From £21,560
Paul Bishop Builder is an established extension buildering business in Old Hunstanton. We come highly recommended and provide competitive quotes fo...
From £21,888
Relax... you have found a reliable extension builder in Old Hunstanton. C P WELLS BUILDER is a friendly and reliable company based in Old Hunstanto...
From £22,496
Need an Extension Builder in Old Hunstanton? Nu-build Norfolk Ltd has been helping local clients (20 mile radius) with their extension buildering j...
From £21,744
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

A flat roof extension ranges from the cheapest of £21,528 (B & K BUILDING SERVICES based in PE30) to the dearest of £22,496 (Nu-build Norfolk Ltd based in PE34), but these are just estimates. While they give you an idea of who will be better value, the best way to compare costs is to get real quotes.
Find out how much your flat roof extension will cost in Old Hunstanton by posting a job with HaMuch. We'll send it to extension builders in Old Hunstanton.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Kings Lynn & West Norfolk | £31 | £238 |
| Build A Flat Roof Extension near King's Lynn | £33 | £254 |
| Build A Flat Roof Extension near Boston | £28 | £262 |
| Build A Flat Roof Extension near Wisbech | £34 | £255 |
| Build A Flat Roof Extension near Dereham | £25 | £203 |
| Build A Flat Roof Extension near Breckland | £28 | £248 |
| Build A Flat Roof Extension near Spalding | £32 | £238 |
| Build A Flat Roof Extension near East Lindsey | £27 | £198 |
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.

Underpin a building - £17,318

Two storey extension - £87,726

Build a timber frame extension - £25,818

Build a swimming pool - £80,818

Single storey extension - £51,352

Side return extension - £39,448

Install an RSJ - £2,018

Outbuilding - £9,818

Build a Mansard loft conversion - £51,818

Loft conversion - £32,040

Build a kitchen extension - £41,818

Hip to gable loft conversion - £41,818

Granny annexe - £86,818

Garden office - £9,818

Convert a Garage - £15,818

Garage - £18,318

Build a flat roof extension - £21,818

Build a dormer loft conversion - £41,818

Concrete foundations - £6,068

Convert a bungalow loft - £28,818

Convert a basement - £35,448