From £87,336
Aerea is a trusted extension builder serving customers in GU16 and the surrounding area. Contact us to today to get a competitive quote for extensi...
From £87,280
Member since August 2026
Relax... you have found a reliable extension builder in GU16. ABC Associates STRUCTURES 4 U is a friendly and reliable company based in GU16 who co...
From £87,192
Need an Extension Builder in GU16? VA Structures has been helping local clients (10 mile radius) with their extension buildering jobs for many year...
From £87,432
DP Services is a fully insured friendly local company which has been trading since 2002 and delivers high quality building work in domestic extensi...
From £87,296
Pinnacle Property Services is a trusted extension builder serving customers in GU16 and the surrounding area. Contact us to today to get a competit...
From £87,304
JD Construction is an established and experienced local extension builder in GU16. Please contact us for a free, no obligation quote and competitiv...
From £87,368
Relax... you have found a reliable extension builder in GU16. BUILDING SPACE UK LTD is a friendly and reliable company based in GU16 who consider n...
From £87,432
Need an Extension Builder in GU16? ZNS Construction has been helping local clients (10 mile radius) with their extension buildering jobs for many y...
From £87,152
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

Building a granny annexe ranges from £87,152 (Hawaii Ltd based in TW3) to £87,432 (DP Services based in RG41), 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 GU16 by posting a job with HaMuch. We will send it to extension builders in GU16 who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Camberley | £41 | £283 |
| Granny Annexe near Farnborough | £41 | £273 |
| Granny Annexe near Ash Vale | £41 | £277 |
| Granny Annexe near Sandhurst | £41 | £283 |
| Granny Annexe near Aldershot | £41 | £275 |
| Granny Annexe near Fleet | £41 | £270 |
| Granny Annexe near Bracknell | £41 | £286 |
| Granny Annexe near Farnham | £41 | £276 |
| Granny Annexe near Ascot | £41 | £276 |
| Granny Annexe near Bracknell Forest | £41 | £287 |
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 - £17,819

Two storey extension - £88,479

Build a timber frame extension - £26,319

Build a swimming pool - £81,319

Single storey extension - £61,384

Side return extension - £45,091

Install an RSJ - £2,519

Outbuilding - £10,319

Build a Mansard loft conversion - £52,319

Loft conversion - £36,743

Build a kitchen extension - £42,319

Hip to gable loft conversion - £42,319

Granny annexe - £87,319

Garden office - £10,319

Convert a Garage - £16,319

Garage - £18,819

Build a flat roof extension - £22,319

Build a dormer loft conversion - £42,319

Concrete foundations - £6,569

Convert a bungalow loft - £29,319

Convert a basement - £41,091