From £86,640
Relax... you have found a reliable extension builder in BB10. CROSS CONSTRUCTION LTD is a friendly and reliable company based in BB10 who consider ...
From £86,704
Need to find an Extension Builder near you for all your extension buildering work?
Usaim Builders provides a local, trusted extension build...
From £86,656
Hello So we do not work and almost any work and it works very well and qualitatively If you are interested we can work in the future
From £86,656
Need an Extension Builder in BB10? M.A Martins has been helping local clients (20 mile radius) with their extension buildering jobs for many years....
From £86,952
Pennine Building Services are here to help customers who need an Extension Builder in BB10. We offer a competitive rate to complete all your extens...
From £87,032
Need to find an Extension Builder near you for all your extension buildering work?
Ray's Property Services provides a local, trusted extens...
From £86,688
Experienced extension builder ready to quote for your work. Garage Door Services Lancashire is the best extension builder in BB10. No obligation fr...
From £86,616
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £86,576
Need to find an Extension Builder near you for all your extension buildering work?
Ken Thomas Property Repairs provides a local, trusted ex...
From £86,920
RJ BUILDERS CONSTRUCTION - Loft Conversions and Plastering specialists

Building a granny annexe ranges from £86,576 (Ken Thomas Property Repairs based in BB9) to £87,032 (Ray's Property Services based in BB11), 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 BB10 by posting a job with HaMuch. We will send it to extension builders in BB10 who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Burnley | £29 | £219 |
| Granny Annexe near Nelson | £27 | £214 |
| Granny Annexe near Accrington | £33 | £243 |
| Granny Annexe near Rawtenstall | £29 | £213 |
| Granny Annexe near Calderdale | £33 | £253 |
| Granny Annexe near Blackburn | £33 | £246 |
| Granny Annexe near Darwen | £34 | £253 |
| Granny Annexe near Rochdale | £30 | £221 |
| Granny Annexe near Keighley | £30 | £226 |
| Granny Annexe near Heywood | £30 | £222 |
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 - £17,244

Two storey extension - £87,616

Build a timber frame extension - £25,744

Build a swimming pool - £80,744

Single storey extension - £49,880

Side return extension - £38,620

Install an RSJ - £1,944

Outbuilding - £9,744

Build a Mansard loft conversion - £51,744

Loft conversion - £31,350

Build a kitchen extension - £41,744

Hip to gable loft conversion - £41,744

Granny annexe - £86,744

Garden office - £9,744

Convert a Garage - £15,744

Garage - £18,244

Build a flat roof extension - £21,744

Build a dormer loft conversion - £41,744

Concrete foundations - £5,994

Convert a bungalow loft - £28,744

Convert a basement - £34,620