From £87,296
Pinnacle Property Services is a trusted extension builder serving customers in Whitchurch and the surrounding area. Contact us to today to get a co...
From £87,432
Trusted and professional extension builder in Whitchurch. Experienced in all extension buildering work and keeping within budget and on quote. Bran...
From £87,112
Experienced extension builder ready to quote for your work. Avalon Building Services Ltd is the best extension builder in Whitchurch. No obligation...
From £87,168
D W BUILDERS is a trusted extension builder serving customers in Whitchurch and the surrounding area. Contact us to today to get a competitive quot...
From £86,952
KEVIN WYLDE BUILDERS are here to help customers who need an Extension Builder in Whitchurch. We offer a competitive rate to complete all your exten...
From £86,984
Relax... you have found a reliable extension builder in Whitchurch. A R Construction is a friendly and reliable company based in Whitchurch who con...
From £87,344
Need to find an Extension Builder near you for all your extension buildering work?
M Warwick (Builders) provides a local, trusted extension...
From £87,056
J & M Building Services are here to help customers who need an Extension Builder in Whitchurch. We offer a competitive rate to complete all your ex...
From £87,272
Experienced extension builder ready to quote for your work. TOP CONSTRUCTION-MARCIN WAGTAS is the best extension builder in Whitchurch. No obligati...
From £87,328
Relax... you have found a reliable extension builder in Whitchurch. Parkhouse Roofing is a friendly and reliable company based in Whitchurch who co...

Building a granny annexe ranges from £86,952 (KEVIN WYLDE BUILDERS based in RG7) to £87,432 (Brant Builders based in RG26), 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 Whitchurch by posting a job with HaMuch. We will send it to extension builders in Whitchurch who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Andover | £40 | £248 |
| Granny Annexe near Basingstoke & Deane | £39 | £273 |
| Granny Annexe near Basingstoke | £39 | £274 |
| Granny Annexe near Winchester | £37 | £266 |
| Granny Annexe near Newbury | £37 | £262 |
| Granny Annexe near Thatcham | £38 | £266 |
| Granny Annexe near Test Valley | £37 | £261 |
| Granny Annexe near Chandler's Ford | £34 | £245 |
| Granny Annexe near Romsey | £32 | £230 |
| Granny Annexe near Eastleigh | £34 | £244 |
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 - £17,694

Two storey extension - £88,292

Build a timber frame extension - £26,194

Build a swimming pool - £81,194

Single storey extension - £58,888

Side return extension - £43,687

Install an RSJ - £2,394

Outbuilding - £10,194

Build a Mansard loft conversion - £52,194

Loft conversion - £35,573

Build a kitchen extension - £42,194

Hip to gable loft conversion - £42,194

Granny annexe - £87,194

Garden office - £10,194

Convert a Garage - £16,194

Garage - £18,694

Build a flat roof extension - £22,194

Build a dormer loft conversion - £42,194

Concrete foundations - £6,444

Convert a bungalow loft - £29,194

Convert a basement - £39,687