From £21,584
Trusted and professional extension builder in PE24. Experienced in all extension buildering work and keeping within budget and on quote. A J REESON...
From £22,304
P MARSH BUILDING CONTRACTOR is an established and experienced local extension builder in PE24. Please contact us for a free, no obligation quote an...
From £21,528
Trusted and professional extension builder in PE24. Experienced in all extension buildering work and keeping within budget and on quote. PAUL JACKS...
From £21,576
R L Hinman Builder is an established and experienced local extension builder in PE24. Please contact us for a free, no obligation quote and competi...
From £22,480
Need an Extension Builder in PE24? D H S Dima Home Improvement Services has been helping local clients (20 mile radius) with their extension builde...

A flat roof extension ranges from the cheapest of £21,528 (PAUL JACKSON BUILDING CONTRS based in PE23) to the dearest of £22,480 (D H S Dima Home Improvement Services based in PE21), 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 PE24 by posting a job with HaMuch. We'll send it to extension builders in PE24.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near East Lindsey | £27 | £198 |
| Build A Flat Roof Extension near Boston | £28 | £262 |
| 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 Cleethorpes | £32 | £246 |
| Build A Flat Roof Extension near North East Lincolnshire | £32 | £246 |
| Build A Flat Roof Extension near Grimsby | £32 | £246 |
| Build A Flat Roof Extension near Spalding | £32 | £238 |
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 - £17,394

Two storey extension - £87,842

Build a timber frame extension - £25,894

Build a swimming pool - £80,894

Single storey extension - £52,888

Side return extension - £40,312

Install an RSJ - £2,094

Outbuilding - £9,894

Build a Mansard loft conversion - £51,894

Loft conversion - £32,760

Build a kitchen extension - £41,894

Hip to gable loft conversion - £41,894

Granny annexe - £86,894

Garden office - £9,894

Convert a Garage - £15,894

Garage - £18,394

Build a flat roof extension - £21,894

Build a dormer loft conversion - £41,894

Concrete foundations - £6,144

Convert a bungalow loft - £28,894

Convert a basement - £36,312