Relax... you have found a reliable extension builder in GU18. K & J Builders & Decorators is a friendly and reliable company based in GU18 who cons...
Kendall Construction is an established and experienced local extension builder in GU18. Please contact us for a free, no obligation quote and compe...
Sanctuary Interiors covers Bespoke Bathroom Installations, and Kitchen Installations, small building works, Tiling, Plastering, Painting. Currently...
Experienced extension builder ready to quote for your work. GM Bailey and Sons Ltd is the best extension builder in GU18. No obligation free quotes...
From £52,264
Awb are here to help customers who need an Extension Builder in GU18. We offer a competitive rate to complete all your extension buildering jobs to...
From £52,136
AXA BUILD AND MAINTENANCE is an established extension buildering business in GU18. We come highly recommended and provide competitive quotes for yo...
From £52,288
BRICK CONSTRUCTION is a trusted extension builder serving customers in GU18 and the surrounding area. Contact us to today to get a competitive quot...
From £51,936
BESPOKE BUILDING SOLUTIONS is an established and experienced local extension builder in GU18. Please contact us for a free, no obligation quote and...
From £52,408
Geoff Luggar
Assuring every job undertaken to the highest standard
Member of Which trusted traders
From £51,936
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

Mansard loft conversions range from the cheapest installation of £51,936 (BESPOKE BUILDING SOLUTIONS based in GU20) to the dearest of around £52,472 (K & J Builders & Decorators based in GU19).
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 GU18 by posting a job with HaMuch and we'll send it to extension builders in GU18.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Mansard Loft Conversion near Camberley | £40 | £268 |
| Build A Mansard Loft Conversion near Ascot | £41 | £276 |
| Build A Mansard Loft Conversion near Sandhurst | £40 | £268 |
| Build A Mansard Loft Conversion near Bracknell | £40 | £269 |
| Build A Mansard Loft Conversion near Farnborough | £41 | £272 |
| Build A Mansard Loft Conversion near Woking | £43 | £277 |
| Build A Mansard Loft Conversion near Bracknell Forest | £40 | £270 |
| Build A Mansard Loft Conversion near Ash Vale | £41 | £277 |
| Build A Mansard Loft Conversion near Egham | £42 | £266 |
| Build A Mansard Loft Conversion near New Haw | £43 | £273 |
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 - £17,714

Two storey extension - £88,320

Build a timber frame extension - £26,214

Build a swimming pool - £81,214

Single storey extension - £59,272

Side return extension - £43,903

Install an RSJ - £2,414

Outbuilding - £10,214

Build a Mansard loft conversion - £52,214

Loft conversion - £35,753

Build a kitchen extension - £42,214

Hip to gable loft conversion - £42,214

Granny annexe - £87,214

Garden office - £10,214

Convert a Garage - £16,214

Garage - £18,714

Build a flat roof extension - £22,214

Build a dormer loft conversion - £42,214

Concrete foundations - £6,464

Convert a bungalow loft - £29,214

Convert a basement - £39,903