Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Relax... you have found a reliable extension builder in BS1. A M I Construction is a friendly and reliable company based in BS1 who consider no job...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
N J Laity & Son & Grandson's are here to help customers who need an Extension Builder in BS1. We offer a competitive rate to complete all your exte...
MOORLAND DESIGN & BUILD LTD are here to help customers who need an Extension Builder in BS1. We offer a competitive rate to complete all your exten...
Neil Causon & Son is an established and experienced local extension builder in BS1. Please contact us for a free, no obligation quote and competiti...
Need an Extension Builder in BS1? Mucha Construcion has been helping local clients (20 mile radius) with their extension buildering jobs for many y...
GARY G BOND LIMITED are here to help customers who need an Extension Builder in BS1. We offer a competitive rate to complete all your extension bui...
Relax... you have found a reliable extension builder in BS1. RD Pope Construction is a friendly and reliable company based in BS1 who consider no j...
Trusted and professional extension builder in BS1. Experienced in all extension buildering work and keeping within budget and on quote. Jeremy Blyt...

In BS1, prices for dormer loft conversions range from £41,728 (Neil Causon & Son based in BS21) to £42,544 (GARY G BOND LIMITED based in BS16), 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 BS1. 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 Bristol | £33 | £255 |
| Build A Dormer Loft Conversion near Clifton | £33 | £255 |
| Build A Dormer Loft Conversion near Kingswood | £34 | £257 |
| Build A Dormer Loft Conversion near Keynsham | £33 | £251 |
| Build A Dormer Loft Conversion near Bradley Stoke | £34 | £259 |
| Build A Dormer Loft Conversion near Portishead | £33 | £247 |
| Build A Dormer Loft Conversion near South Gloucestershire | £34 | £260 |
| Build A Dormer Loft Conversion near North Somerset | £32 | £245 |
| Build A Dormer Loft Conversion near Yate | £34 | £263 |
| Build A Dormer Loft Conversion near Bath | £32 | £249 |
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 - £17,460

Two storey extension - £87,940

Build a timber frame extension - £25,960

Build a swimming pool - £80,960

Single storey extension - £54,200

Side return extension - £41,050

Install an RSJ - £2,160

Outbuilding - £9,960

Build a Mansard loft conversion - £51,960

Loft conversion - £33,375

Build a kitchen extension - £41,960

Hip to gable loft conversion - £41,960

Granny annexe - £86,960

Garden office - £9,960

Convert a Garage - £15,960

Garage - £18,460

Build a flat roof extension - £21,960

Build a dormer loft conversion - £41,960

Concrete foundations - £6,210

Convert a bungalow loft - £28,960

Convert a basement - £37,050