Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Trusted and professional extension builder in GU15. Experienced in all extension buildering work and keeping within budget and on quote. Speedy Pro...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Sanctuary Interiors covers Bespoke Bathroom Installations, and Kitchen Installations, small building works, Tiling, Plastering, Painting. Currently...
Kendall Construction is an established and experienced local extension builder in GU15. Please contact us for a free, no obligation quote and compe...
Experienced extension builder ready to quote for your work. HDL CONSTRUCTION is the best extension builder in GU15. No obligation free quotes and m...
From £87,056
Bailey Miller Brickwork is a family run construction company, run and managed by Stuart Callan. Based in Yateley, Hampshire, we cover all surroundi...
From £87,016
Experienced extension builder ready to quote for your work. MERIDIAN CONSTRUCTION is the best extension builder in GU15. No obligation free quotes ...
From £87,184
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £87,408
Geoff Luggar
Assuring every job undertaken to the highest standard
Member of Which trusted traders

Building a granny annexe ranges from £87,000 (Titan BC Ltd based in GU14) to £87,472 (Kendall Construction based in GU19), but these are just estimates that can help give you an idea of who will be better value in your area.
The best thing to do is to get quotes to build a granny annexe in GU15 by posting a job with HaMuch. We will send it to extension builders in GU15 who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Camberley | £41 | £282 |
| Granny Annexe near Sandhurst | £41 | £283 |
| Granny Annexe near Farnborough | £41 | £272 |
| Granny Annexe near Ash Vale | £41 | £277 |
| Granny Annexe near Bracknell | £41 | £285 |
| Granny Annexe near Bracknell Forest | £41 | £287 |
| Granny Annexe near Ascot | £41 | £276 |
| Granny Annexe near Fleet | £41 | £270 |
| Granny Annexe near Aldershot | £41 | £275 |
| Granny Annexe near Wokingham | £41 | £279 |
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 - £17,691

Two storey extension - £88,287

Build a timber frame extension - £26,191

Build a swimming pool - £81,191

Single storey extension - £58,824

Side return extension - £43,651

Install an RSJ - £2,391

Outbuilding - £10,191

Build a Mansard loft conversion - £52,191

Loft conversion - £35,543

Build a kitchen extension - £42,191

Hip to gable loft conversion - £42,191

Granny annexe - £87,191

Garden office - £10,191

Convert a Garage - £16,191

Garage - £18,691

Build a flat roof extension - £22,191

Build a dormer loft conversion - £42,191

Concrete foundations - £6,441

Convert a bungalow loft - £29,191

Convert a basement - £39,651