From £15,752
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £15,656
H TIMMINS BUILDING & MAINT is an established extension buildering business in M18. We come highly recommended and provide competitive quotes for yo...
From £15,856
Cornerstone Building Maintenance & Restoration Ltd is an established and experienced local extension builder in M18. Please contact us for a free, ...
From £15,736
Need to find an Extension Builder near you for all your extension buildering work?
J K S Builder provides a local, trusted extension builde...
From £15,936
Trusted and professional extension builder in M18. Experienced in all extension buildering work and keeping within budget and on quote. AD Installa...
From £15,720
Trusted and professional extension builder in M18. Experienced in all extension buildering work and keeping within budget and on quote. M A Buildin...
From £15,672
Sale Moor Roofing & Building Contractors is a trusted extension builder serving customers in M18 and the surrounding area. Contact us to today to g...
From £15,832
Need to find an Extension Builder near you for all your extension buildering work?
Oscar Renn provides a local, trusted extension builderin...
From £15,768
Trusted and professional extension builder in M18. Experienced in all extension buildering work and keeping within budget and on quote. B R M S hav...
From £15,792
SJD Joinery & Building are here to help customers who need an Extension Builder in M18. We offer a competitive rate to complete all your extension ...

Garage conversions in M18 typically range from £15,656 (H TIMMINS BUILDING & MAINT based in M18) to £15,936 (AD Installation based in M13), but the only way to get an accurate cost for your specific project is to get quotes.
Post a job with HaMuch and we'll send it to extension builders in M18 who will be happy to help.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Convert A Garage near Reddish | £34 | £235 |
| Convert A Garage near Droylsden | £34 | £237 |
| Convert A Garage near Denton | £35 | £233 |
| Convert A Garage near Failsworth | £35 | £235 |
| Convert A Garage near Manchester | £32 | £236 |
| Convert A Garage near Dukinfield | £35 | £231 |
| Convert A Garage near Tameside | £35 | £231 |
| Convert A Garage near Old Trafford | £32 | £236 |
| Convert A Garage near Ashton-under-Lyne | £36 | £231 |
| Convert A Garage near Hyde | £36 | £227 |
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 - £17,272

Two storey extension - £87,658

Build a timber frame extension - £25,772

Build a swimming pool - £80,772

Single storey extension - £50,440

Side return extension - £38,935

Install an RSJ - £1,972

Outbuilding - £9,772

Build a Mansard loft conversion - £51,772

Loft conversion - £31,613

Build a kitchen extension - £41,772

Hip to gable loft conversion - £41,772

Granny annexe - £86,772

Garden office - £9,772

Convert a Garage - £15,772

Garage - £18,272

Build a flat roof extension - £21,772

Build a dormer loft conversion - £41,772

Concrete foundations - £6,022

Convert a bungalow loft - £28,772

Convert a basement - £34,935