Arshad Ali
We are a Design and Build company based in Hampshire. Proud of our roots, we try to be the very best in the way we go about our business. Friendly...
Trusted and professional extension builder in Locks Heath. Experienced in all extension buildering work and keeping within budget and on quote. And...
ROB DINE CONSTRUCTION is an established and experienced local extension builder in Locks Heath. Please contact us for a free, no obligation quote a...
Experienced extension builder ready to quote for your work. CSY Construction Ltd is the best extension builder in Locks Heath. No obligation free q...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Bailey Construction Services are here to help customers who need an Extension Builder in Locks Heath. We offer a competitive rate to complete all y...
Need to find an Extension Builder near you for all your extension buildering work?
Mobile Services provides a local, trusted extension buil...
Claytons Building and Roofing are here to help customers who need an Extension Builder in Locks Heath. We offer a competitive rate to complete all ...
Anthony Withey
Trusted and professional extension builder in Locks Heath. Experienced in all extension buildering work and keeping within budget and on quote. A W...
O NEILL CONSTRUCTION LTD is an established extension buildering business in Locks Heath. We come highly recommended and provide competitive quotes ...

Building a granny annexe ranges from £86,752 (Steve Lovett Builders based in SO18) to £87,192 (AAConcepts based in SO14), 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 Locks Heath by posting a job with HaMuch. We will send it to extension builders in Locks Heath who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Locks Heath | £33 | £240 |
| Granny Annexe near Hedge End | £34 | £244 |
| Granny Annexe near Fareham | £35 | £250 |
| Granny Annexe near Southampton | £34 | £243 |
| Granny Annexe near Lee-on-the-Solent | £35 | £249 |
| Granny Annexe near Eastleigh | £34 | £244 |
| Granny Annexe near Gosport | £35 | £246 |
| Granny Annexe near Chandler's Ford | £34 | £245 |
| Granny Annexe near Totton | £34 | £243 |
| Granny Annexe near Portsmouth | £36 | £250 |
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 - £17,562

Two storey extension - £88,092

Build a timber frame extension - £26,062

Build a swimming pool - £81,062

Single storey extension - £56,232

Side return extension - £42,193

Install an RSJ - £2,262

Outbuilding - £10,062

Build a Mansard loft conversion - £52,062

Loft conversion - £34,328

Build a kitchen extension - £42,062

Hip to gable loft conversion - £42,062

Granny annexe - £87,062

Garden office - £10,062

Convert a Garage - £16,062

Garage - £18,562

Build a flat roof extension - £22,062

Build a dormer loft conversion - £42,062

Concrete foundations - £6,312

Convert a bungalow loft - £29,062

Convert a basement - £38,193