ADO Builders is a trusted extension builder serving customers in GU1 and the surrounding area. Contact us to today to get a competitive quote for e...
Patrick Elson
Paramount Brickwork Limited is an established extension buildering business in GU1. We come highly recommended and provide competitive quotes for y...
Kevin Warne
K P WARNE BUILDERS is an established extension buildering business in GU1. We come highly recommended and provide competitive quotes for your work....
We provide structural engineering design and construction service (D&B) Our dedicated, enthusiastic and highly qualified staff to find the appropri...
Cannon Build Solutions is a local family-run building firm whose strong reliable reputation has been well established in North-West London and Buck...
From £35,925
Experienced extension builder ready to quote for your work. Arrus Knoble Ltd is the best extension builder in GU1. No obligation free quotes and ma...
From £36,750
M &M GENERAL BUILDING is an established extension buildering business in GU1. We come highly recommended and provide competitive quotes for your wo...
From £58,200
Carl Hancock
With well over a decade of marketing and web design experience working for a variety of tradespeople from cleaners through to builders, Websites 4 ...
From £37,275
Martin Ross
Local business for local people... Established in 1980.....so plenty of local knowledge One man business, honest, reliable, hard working ...
From £38,100
Victorian Roofing & Property Maintenance is an established and experienced local extension builder in GU1. Please contact us for a free, no obligat...

Comparing extension builders estimates for Loft conversion gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
What to do - Get rates and quotes for the cost of a loft conversion in GU1 by posting your job to extension builders in GU1.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Loft Conversion near Guildford | £53 | £298 |
| Loft Conversion near Woking | £43 | £277 |
| Loft Conversion near Ash Vale | £41 | £277 |
| Loft Conversion near Waverley | £68 | £313 |
| Loft Conversion near Aldershot | £41 | £275 |
| Loft Conversion near Great Bookham | £42 | £281 |
| Loft Conversion near New Haw | £43 | £273 |
| Loft Conversion near Farnborough | £41 | £272 |
| Loft Conversion near Camberley | £41 | £282 |
| Loft Conversion near Farnham | £41 | £276 |
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 - £18,073

Two storey extension - £88,859

Build a timber frame extension - £26,573

Build a swimming pool - £81,573

Single storey extension - £66,456

Side return extension - £47,944

Install an RSJ - £2,773

Outbuilding - £10,573

Build a Mansard loft conversion - £52,573

Loft conversion - £39,120

Build a kitchen extension - £42,573

Hip to gable loft conversion - £42,573

Granny annexe - £87,573

Garden office - £10,573

Convert a Garage - £16,573

Garage - £19,073

Build a flat roof extension - £22,573

Build a dormer loft conversion - £42,573

Concrete foundations - £6,823

Convert a bungalow loft - £29,573

Convert a basement - £43,944