From £86,896
PAULMARTYN Construction are here to help customers who need an Extension Builder in GU6. We offer a competitive rate to complete all your extension...
From £88,616
At MM and Co Roofing we specialise in all aspects of the roofing industry from moss removal to complete re-roofing. We are experienced in working o...
From £87,424
Trusted and professional extension builder in GU6. Experienced in all extension buildering work and keeping within budget and on quote. Chinthurst ...
From £87,376
Local business for local people... Established in 1980.....so plenty of local knowledge One man business, honest, reliable, hard working ...
From £87,144
Surrey Hills Construction is an established and experienced local extension builder in GU6. Please contact us for a free, no obligation quote and c...
From £87,528
Founded in 2011 by Clive Bordoli and Jim Kelting, we set out to form and lead a team of tradesmen who could share our work ethic and attention to d...
From £87,320
Need to find an Extension Builder near you for all your extension buildering work?
SG FORD CONSTRUCTION LTD. provides a local, trusted exte...
From £87,280
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £87,488
Our family-run building services company JGP Plastering & Brickwork Ltd was established in 2006. Since then we have been helping customers in Surre...
From £89,608
With well over a decade of marketing and web design experience working for a variety of tradespeople from cleaners through to builders, Websites 4 ...

Building a granny annexe ranges from £86,896 (PAULMARTYN Construction based in GU6) to £89,608 (Websites 4 Trades based in GU7), 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 GU6 by posting a job with HaMuch. We will send it to extension builders in GU6 who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Guildford | £53 | £298 |
| Granny Annexe near Waverley | £68 | £313 |
| Granny Annexe near Horsham | £38 | £265 |
| Granny Annexe near Great Bookham | £42 | £281 |
| Granny Annexe near Woking | £43 | £277 |
| Granny Annexe near Ash Vale | £41 | £277 |
| Granny Annexe near Reigate | £40 | £270 |
| Granny Annexe near Horley | £38 | £258 |
| Granny Annexe near Crawley | £38 | £255 |
| Granny Annexe near Aldershot | £41 | £275 |
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 - £18,168

Two storey extension - £89,002

Build a timber frame extension - £26,668

Build a swimming pool - £81,668

Single storey extension - £68,360

Side return extension - £49,015

Install an RSJ - £2,868

Outbuilding - £10,668

Build a Mansard loft conversion - £52,668

Loft conversion - £40,013

Build a kitchen extension - £42,668

Hip to gable loft conversion - £42,668

Granny annexe - £87,668

Garden office - £10,668

Convert a Garage - £16,668

Garage - £19,168

Build a flat roof extension - £22,668

Build a dormer loft conversion - £42,668

Concrete foundations - £6,918

Convert a bungalow loft - £29,668

Convert a basement - £45,015