From £86,664
Paramount Construction HV Ltd are here to help customers who need an Extension Builder in Blackburn, Whitburn And Fauldhouse. We offer a competitiv...
From £86,744
DAVID J BELL BUILDER are here to help customers who need an Extension Builder in Blackburn, Whitburn And Fauldhouse. We offer a competitive rate to...
From £87,200
Need an Extension Builder in Blackburn, Whitburn And Fauldhouse? Mackenzie Contracts has been helping local clients (20 mile radius) with their ext...
From £87,288
Relax... you have found a reliable extension builder in Blackburn, Whitburn And Fauldhouse. Kirkfields Contracts is a friendly and reliable company...
From £86,832
Proper-Tomi Maintenance are here to help customers who need an Extension Builder in Blackburn, Whitburn And Fauldhouse. We offer a competitive rate...
From £87,000
AIM Renewables are here to help customers who need an Extension Builder in Blackburn, Whitburn And Fauldhouse. We offer a competitive rate to compl...
From £86,752
BRIAN ROBERTSON JOINERY & BUILDING are here to help customers who need an Extension Builder in Blackburn, Whitburn And Fauldhouse. We offer a compe...
From £87,256
We are a family business with over 30 years of knowledge and experience ranging from small domestic jobs to large projects which include renovation...
From £86,848
Need to find an Extension Builder near you for all your extension buildering work?
R MACDONALD JOINERS &BUILDER provides a local, trusted e...
From £87,080
Trusted and professional extension builder in Blackburn, Whitburn And Fauldhouse. Experienced in all extension buildering work and keeping within b...

Building a granny annexe ranges from £86,664 (Paramount Construction HV Ltd based in EH47) to £87,288 (Kirkfields Contracts based in EH55), 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 Blackburn, Whitburn And Fauldhouse by posting a job with HaMuch. We will send it to extension builders in Blackburn, Whitburn And Fauldhouse who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Bathgate | £28 | £214 |
| Granny Annexe near West Lothian | £33 | £242 |
| Granny Annexe near Livingston | £35 | £256 |
| Granny Annexe near Broxburn | £34 | £251 |
| Granny Annexe near Grangemouth | £32 | £214 |
| Granny Annexe near Bo'ness | £33 | £241 |
| Granny Annexe near Falkirk | £31 | £208 |
| Granny Annexe near Wishaw | £30 | £231 |
| Granny Annexe near North Lanarkshire | £31 | £238 |
| Granny Annexe near Airdrie | £31 | £238 |
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 - £17,466

Two storey extension - £87,950

Build a timber frame extension - £25,966

Build a swimming pool - £80,966

Single storey extension - £54,328

Side return extension - £41,122

Install an RSJ - £2,166

Outbuilding - £9,966

Build a Mansard loft conversion - £51,966

Loft conversion - £33,435

Build a kitchen extension - £41,966

Hip to gable loft conversion - £41,966

Granny annexe - £86,966

Garden office - £9,966

Convert a Garage - £15,966

Garage - £18,466

Build a flat roof extension - £21,966

Build a dormer loft conversion - £41,966

Concrete foundations - £6,216

Convert a bungalow loft - £28,966

Convert a basement - £37,122