Richard Thomas
Need an Extension Builder in Swanage? RNTP ltd has been helping local clients (20 mile radius) with their extension buildering jobs for many years....
Urban Projects are here to help customers who need an Extension Builder in Swanage. We offer a competitive rate to complete all your extension buil...
George DIXON
MARLEY TRained roofer, reliable ,flat roofs , slating and tiling,fascias and gutters. All repairs, no job too small
From £22,064
Need an Extension Builder in Swanage? D&B Build has been helping local clients (20 mile radius) with their extension buildering jobs for many years...
From £22,120
Ground Up Building Services Ltd is a trusted extension builder serving customers in Swanage and the surrounding area. Contact us to today to get a ...
From £22,008
DJ HALE BUILDING CONTRACTORS is a trusted extension builder serving customers in Swanage and the surrounding area. Contact us to today to get a com...
From £21,784
Swanage, BH19
SWANAGE BUILDING SERVICES is a trusted extension builder serving customers in Swanage and the surrounding area. Contact us to today to get a compet...
From £22,288
Experienced extension builder ready to quote for your work. Portus Homes is the best extension builder in Swanage. No obligation free quotes and ma...

A flat roof extension ranges from the cheapest of £21,200 (GMD Roofing based in BH15) to the dearest of £22,584 (RNTP ltd based in BH14), 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 Swanage by posting a job with HaMuch. We'll send it to extension builders in Swanage.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Poole | £38 | £250 |
| Build A Flat Roof Extension near Bournemouth | £38 | £257 |
| Build A Flat Roof Extension near Christchurch | £36 | £251 |
| Build A Flat Roof Extension near Dorchester | £30 | £230 |
| Build A Flat Roof Extension near Weymouth | £33 | £260 |
| Build A Flat Roof Extension near New Forest | £32 | £245 |
| Build A Flat Roof Extension near Totton | £34 | £243 |
| Build A Flat Roof Extension near Isle of Wight | £34 | £246 |
| Build A Flat Roof Extension near Southampton | £34 | £243 |
| Build A Flat Roof Extension near Romsey | £32 | £230 |
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 - £17,483

Two storey extension - £87,975

Build a timber frame extension - £25,983

Build a swimming pool - £80,983

Single storey extension - £54,660

Side return extension - £41,309

Install an RSJ - £2,183

Outbuilding - £9,983

Build a Mansard loft conversion - £51,983

Loft conversion - £33,591

Build a kitchen extension - £41,983

Hip to gable loft conversion - £41,983

Granny annexe - £86,983

Garden office - £9,983

Convert a Garage - £15,983

Garage - £18,483

Build a flat roof extension - £21,983

Build a dormer loft conversion - £41,983

Concrete foundations - £6,233

Convert a bungalow loft - £28,983

Convert a basement - £37,309