Relax... you have found a reliable extension builder in WF3. Foundation Building Services is a friendly and reliable company based in WF3 who consi...
From £22,000
Express in the Home is a trusted extension builder serving customers in WF3 and the surrounding area. Contact us to today to get a competitive quot...

A flat roof extension ranges from the cheapest of £21,824 (Foundation Building Services based in WF3) to the dearest of £22,000 (Express in the Home based in LS11), 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 WF3 by posting a job with HaMuch. We'll send it to extension builders in WF3.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Wakefield | £31 | £240 |
| Build A Flat Roof Extension near Morley | £31 | £239 |
| Build A Flat Roof Extension near Ossett | £33 | £245 |
| Build A Flat Roof Extension near Rothwell | £30 | £230 |
| Build A Flat Roof Extension near Beeston | £31 | £236 |
| Build A Flat Roof Extension near Dewsbury | £33 | £245 |
| Build A Flat Roof Extension near Batley | £32 | £239 |
| Build A Flat Roof Extension near Normanton | £30 | £233 |
| Build A Flat Roof Extension near Leeds | £31 | £236 |
| Build A Flat Roof Extension near Chapeltown | £30 | £232 |
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 - £17,412

Two storey extension - £87,868

Build a timber frame extension - £25,912

Build a swimming pool - £80,912

Single storey extension - £53,240

Side return extension - £40,510

Install an RSJ - £2,112

Outbuilding - £9,912

Build a Mansard loft conversion - £51,912

Loft conversion - £32,925

Build a kitchen extension - £41,912

Hip to gable loft conversion - £41,912

Granny annexe - £86,912

Garden office - £9,912

Convert a Garage - £15,912

Garage - £18,412

Build a flat roof extension - £21,912

Build a dormer loft conversion - £41,912

Concrete foundations - £6,162

Convert a bungalow loft - £28,912

Convert a basement - £36,510