Experienced extension builder ready to quote for your work. Advanced Builders & Roofers is the best extension builder in M27. No obligation free qu...
Homeowners look no further if you want a qualified extension builder to work in your home. T K O Kitchens & Construction are tidy and neat, providi...
Need to find an Extension Builder near you for all your extension buildering work?
DC Contractors provides a local, trusted extension build...
Relax... you have found a reliable extension builder in M27. David Anderson Builders is a friendly and reliable company based in M27 who consider n...
Jonathan
Need to find an Extension Builder near you for all your extension buildering work?
ESBP Specialists Ltd provides a local, trusted extension...
Here at RC Building Services Ltd we pride ourselves on providing reliable, excellent quality and competitively priced building services. Our priori...
BRENCOLL BUILDING is an established extension buildering business in M27. We come highly recommended and provide competitive quotes for your work.<...
Simon Schofield
A AND S SCHOFIELD BLDRS LTD is an established extension buildering business in M27. We come highly recommended and provide competitive quotes for y...
Trusted and professional extension builder in M27. Experienced in all extension buildering work and keeping within budget and on quote. Contact Con...
Cjl Brickwork are here to help customers who need an Extension Builder in M27. We offer a competitive rate to complete all your extension builderin...

Building a granny annexe ranges from £86,472 (A AND S SCHOFIELD BLDRS LTD based in BL3) to £86,960 (ESBP Specialists Ltd based in M26), 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 M27 by posting a job with HaMuch. We will send it to extension builders in M27 who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Swinton | £32 | £234 |
| Granny Annexe near Eccles | £32 | £236 |
| Granny Annexe near Salford | £32 | £237 |
| Granny Annexe near Prestwich | £31 | £233 |
| Granny Annexe near Whitefield | £31 | £229 |
| Granny Annexe near Radcliffe | £30 | £220 |
| Granny Annexe near Farnworth | £30 | £219 |
| Granny Annexe near Little Hulton | £31 | £220 |
| Granny Annexe near Urmston | £32 | £231 |
| Granny Annexe near Manchester | £32 | £236 |
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 - £17,252

Two storey extension - £87,628

Build a timber frame extension - £25,752

Build a swimming pool - £80,752

Single storey extension - £50,040

Side return extension - £38,710

Install an RSJ - £1,952

Outbuilding - £9,752

Build a Mansard loft conversion - £51,752

Loft conversion - £31,425

Build a kitchen extension - £41,752

Hip to gable loft conversion - £41,752

Granny annexe - £86,752

Garden office - £9,752

Convert a Garage - £15,752

Garage - £18,252

Build a flat roof extension - £21,752

Build a dormer loft conversion - £41,752

Concrete foundations - £6,002

Convert a bungalow loft - £28,752

Convert a basement - £34,710