Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Primary Construction Ltd is an established and experienced local extension builder in GU51. Please contact us for a free, no obligation quote and c...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
P J HYDE (BUILDERS) is a trusted extension builder serving customers in GU51 and the surrounding area. Contact us to today to get a competitive quo...
MAP Building is an established extension buildering business in GU51. We come highly recommended and provide competitive quotes for your work.
...HOMEVIEW BUILDERS is a trusted extension builder serving customers in GU51 and the surrounding area. Contact us to today to get a competitive quote...
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 £86,624
Dynamelec Ltd is an established and experienced local extension builder in GU51. Please contact us for a free, no obligation quote and competitive ...
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 £87,040
MK Professional Building Services are here to help customers who need an Extension Builder in GU51. We offer a competitive rate to complete all you...

Building a granny annexe ranges from £86,624 (Dynamelec Ltd based in GU51) to £87,368 (HOMEVIEW BUILDERS based in Gu46), 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 GU51 by posting a job with HaMuch. We will send it to extension builders in GU51 who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Fleet | £41 | £270 |
| Granny Annexe near Farnborough | £41 | £272 |
| Granny Annexe near Aldershot | £41 | £275 |
| Granny Annexe near Farnham | £41 | £276 |
| Granny Annexe near Sandhurst | £41 | £283 |
| Granny Annexe near Ash Vale | £41 | £277 |
| Granny Annexe near Camberley | £41 | £282 |
| Granny Annexe near Wokingham | £41 | £279 |
| Granny Annexe near Bracknell | £41 | £285 |
| 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 - £17,533

Two storey extension - £88,049

Build a timber frame extension - £26,033

Build a swimming pool - £81,033

Single storey extension - £55,656

Side return extension - £41,869

Install an RSJ - £2,233

Outbuilding - £10,033

Build a Mansard loft conversion - £52,033

Loft conversion - £34,058

Build a kitchen extension - £42,033

Hip to gable loft conversion - £42,033

Granny annexe - £87,033

Garden office - £10,033

Convert a Garage - £16,033

Garage - £18,533

Build a flat roof extension - £22,033

Build a dormer loft conversion - £42,033

Concrete foundations - £6,283

Convert a bungalow loft - £29,033

Convert a basement - £37,869