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...

Mansard loft conversions range from the cheapest installation of £51,728 (Neil Causon & Son based in BS21) to the dearest of around £52,544 (GARY G BOND LIMITED based in BS16).
While these estimates give you a good idea how much you'll pay for a mansard loft conversion, the only way to get an accurate price is to get real quotes from real builders.
Get quotes to install a mansard loft conversion in BS1 by posting a job with HaMuch and we'll send it to extension builders in BS1.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Mansard Loft Conversion near Bristol | £33 | £255 |
| Build A Mansard Loft Conversion near Clifton | £33 | £255 |
| Build A Mansard Loft Conversion near Kingswood | £34 | £257 |
| Build A Mansard Loft Conversion near Keynsham | £33 | £251 |
| Build A Mansard Loft Conversion near Bradley Stoke | £34 | £259 |
| Build A Mansard Loft Conversion near Portishead | £33 | £247 |
| Build A Mansard Loft Conversion near South Gloucestershire | £34 | £260 |
| Build A Mansard Loft Conversion near North Somerset | £32 | £245 |
| Build A Mansard Loft Conversion near Yate | £34 | £263 |
| Build A Mansard 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