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Select your affordable Vale Of Glamorgan extension builder
Experienced extension builder ready to quote for your work. WH Builders is the best extension builder in Vale Of Glamorgan. No obligation free quot...
S J S Services (Wales) Ltd is a trusted extension builder serving customers in Vale Of Glamorgan and the surrounding area. Contact us to today to g...
Blueprint Construction & Development Ltd is a trusted extension builder serving customers in Vale Of Glamorgan and the surrounding area. Contact us...
From £22,056
Eddie Dyer
We only use fully qualified and skilled workers .
We offer value for money with full 12 month guarantee on all work carried out.
From £22,064
Keith Brito
40 years building and roofing experience.
20 years disabled facilities. Roofing general building, tiling,carpentry.
Val...
From £21,504
Need to find an Extension Builder near you for all your extension buildering work?
Price Builders provides a local, trusted extension build...
From £21,800
Scorpion Windows LTD is a trusted extension builder serving customers in Vale Of Glamorgan and the surrounding area. Contact us to today to get a c...

A flat roof extension ranges from the cheapest of £21,504 (Price Builders based in CF71) to the dearest of £22,600 (Blueprint Construction & Development Ltd based in CF62), 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 Vale Of Glamorgan by posting a job with HaMuch. We'll send it to extension builders in Vale Of Glamorgan.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Vale of Glamorgan | £29 | £217 |
| Build A Flat Roof Extension near Barry | £33 | £223 |
| Build A Flat Roof Extension near Bridgend | £32 | £200 |
| Build A Flat Roof Extension near Porthcawl | £33 | £252 |
| Build A Flat Roof Extension near Pyle | £34 | £262 |
| Build A Flat Roof Extension near Penarth | £35 | £224 |
| Build A Flat Roof Extension near Church Village | £34 | £214 |
| Build A Flat Roof Extension near Cardiff | £34 | £223 |
| Build A Flat Roof Extension near Rhondda | £31 | £206 |
| 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 - £17,449

Two storey extension - £87,923

Build a timber frame extension - £25,949

Build a swimming pool - £80,949

Single storey extension - £53,971

Side return extension - £40,921

Install an RSJ - £2,149

Outbuilding - £9,949

Build a Mansard loft conversion - £51,949

Loft conversion - £33,268

Build a kitchen extension - £41,949

Hip to gable loft conversion - £41,949

Granny annexe - £86,949

Garden office - £9,949

Convert a Garage - £15,949

Garage - £18,449

Build a flat roof extension - £21,949

Build a dormer loft conversion - £41,949

Concrete foundations - £6,199

Convert a bungalow loft - £28,949

Convert a basement - £36,921