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Experienced extension builder ready to quote for your work. WH Builders is the best extension builder in CF31. No obligation free quotes and many h...
Need an Extension Builder in CF31? SP Property Maintenance has been helping local clients (20 mile radius) with their extension buildering jobs for...
From £21,800
Scorpion Windows LTD is a trusted extension builder serving customers in CF31 and the surrounding area. Contact us to today to get a competitive qu...

A flat roof extension ranges from the cheapest of £21,800 (Scorpion Windows LTD based in CF31) to the dearest of £21,864 (SP Property Maintenance based in CF35), 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 CF31 by posting a job with HaMuch. We'll send it to extension builders in CF31.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Bridgend | £32 | £200 |
| Build A Flat Roof Extension near Pyle | £34 | £262 |
| Build A Flat Roof Extension near Porthcawl | £33 | £252 |
| Build A Flat Roof Extension near Maesteg | £38 | £283 |
| Build A Flat Roof Extension near Vale of Glamorgan | £29 | £217 |
| Build A Flat Roof Extension near Rhondda | £31 | £206 |
| Build A Flat Roof Extension near Port Talbot | £31 | £227 |
| Build A Flat Roof Extension near Rhondda, Cynon, Taff | £31 | £209 |
| Build A Flat Roof Extension near Church Village | £34 | £214 |
| Build A Flat Roof Extension near Pontypridd | £33 | £211 |
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 - £17,332

Two storey extension - £87,748

Build a timber frame extension - £25,832

Build a swimming pool - £80,832

Single storey extension - £51,640

Side return extension - £39,610

Install an RSJ - £2,032

Outbuilding - £9,832

Build a Mansard loft conversion - £51,832

Loft conversion - £32,175

Build a kitchen extension - £41,832

Hip to gable loft conversion - £41,832

Granny annexe - £86,832

Garden office - £9,832

Convert a Garage - £15,832

Garage - £18,332

Build a flat roof extension - £21,832

Build a dormer loft conversion - £41,832

Concrete foundations - £6,082

Convert a bungalow loft - £28,832

Convert a basement - £35,610