R S Construction (Surrey) is an established extension buildering business in GU27. We come highly recommended and provide competitive quotes for yo...
Casa Garage Doors is an established extension buildering business in GU27. We come highly recommended and provide competitive quotes for your work....
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £87,296
Charles Hardman
Urban build are here to help customers who need an Extension Builder in GU27. We offer a competitive rate to complete all your extension buildering...
From £86,968
Experienced extension builder ready to quote for your work. HW&C CONSTRUCTION is the best extension builder in GU27. No obligation free quotes and ...

Building a granny annexe ranges from £86,968 (HW&C CONSTRUCTION based in GU27) to £87,296 (Urban build based in GU27), 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 GU27 by posting a job with HaMuch. We will send it to extension builders in GU27 who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Waverley | £68 | £313 |
| Granny Annexe near Farnham | £41 | £276 |
| Granny Annexe near East Hampshire | £38 | £258 |
| Granny Annexe near Aldershot | £41 | £275 |
| Granny Annexe near Guildford | £53 | £298 |
| Granny Annexe near Ash Vale | £41 | £277 |
| Granny Annexe near Fleet | £41 | £270 |
| Granny Annexe near Farnborough | £41 | £272 |
| Granny Annexe near Chichester | £34 | £242 |
| Granny Annexe near Horsham | £38 | £265 |
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 - £17,649

Two storey extension - £88,223

Build a timber frame extension - £26,149

Build a swimming pool - £81,149

Single storey extension - £57,976

Side return extension - £43,174

Install an RSJ - £2,349

Outbuilding - £10,149

Build a Mansard loft conversion - £52,149

Loft conversion - £35,145

Build a kitchen extension - £42,149

Hip to gable loft conversion - £42,149

Granny annexe - £87,149

Garden office - £10,149

Convert a Garage - £16,149

Garage - £18,649

Build a flat roof extension - £22,149

Build a dormer loft conversion - £42,149

Concrete foundations - £6,399

Convert a bungalow loft - £29,149

Convert a basement - £39,174