Need to find an Extension Builder near you for all your extension buildering work?
WILSONS BUILDERS CO LTD provides a local, trusted extens...
Need an Extension Builder in BS35? Alistair McKenzie has been helping local clients (20 mile radius) with their extension buildering jobs for many ...
Experienced extension builder ready to quote for your work. G & J BUILDING MAINTENANCE is the best extension builder in BS35. No obligation free qu...
From £42,032
Trusted and professional extension builder in BS35. Experienced in all extension buildering work and keeping within budget and on quote. M A Church...

In BS35, prices for dormer loft conversions range from £41,912 (G & J BUILDING MAINTENANCE based in BS35) to £42,184 (WILSONS BUILDERS CO LTD based in GL12), but how much your conversion costs will vary depending on the size of your property, how easy access to your roof is and what you want to use the space for.
The best way to get an accurate price is to compare quotes from extension builders in BS35. Post your job on HaMuch now and we'll put you in touch with available extension builders.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Dormer Loft Conversion near Bradley Stoke | £34 | £259 |
| Build A Dormer Loft Conversion near South Gloucestershire | £34 | £260 |
| Build A Dormer Loft Conversion near Yate | £34 | £263 |
| Build A Dormer Loft Conversion near Kingswood | £34 | £257 |
| Build A Dormer Loft Conversion near Bristol | £33 | £255 |
| Build A Dormer Loft Conversion near Clifton | £33 | £255 |
| Build A Dormer Loft Conversion near Portishead | £33 | £247 |
| Build A Dormer Loft Conversion near Keynsham | £33 | £251 |
| Build A Dormer Loft Conversion near Clevedon | £32 | £243 |
| Build A Dormer Loft Conversion near Chippenham | £34 | £258 |
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 - £17,574

Two storey extension - £88,111

Build a timber frame extension - £26,074

Build a swimming pool - £81,074

Single storey extension - £56,480

Side return extension - £42,333

Install an RSJ - £2,274

Outbuilding - £10,074

Build a Mansard loft conversion - £52,074

Loft conversion - £34,444

Build a kitchen extension - £42,074

Hip to gable loft conversion - £42,074

Granny annexe - £87,074

Garden office - £10,074

Convert a Garage - £16,074

Garage - £18,574

Build a flat roof extension - £22,074

Build a dormer loft conversion - £42,074

Concrete foundations - £6,324

Convert a bungalow loft - £29,074

Convert a basement - £38,333