From £10,360
Over 25 years experience in the building industry
Any job from a light switch to building a house give me a call
From £9,608
RB Building Services is an established extension buildering business in DN18. We come highly recommended and provide competitive quotes for your wo...
From £10,056
Patchett's Property Solutions & Management is an established and experienced local extension builder in DN18. Please contact us for a free, no obli...
From £9,856
We specialise in converting unused areas into liveable, useful spaces. Talk to us about your ideas and we can work together to convert your lof...
From £9,608
Experienced extension builder ready to quote for your work. City Builders is the best extension builder in DN18. No obligation free quotes and many...
From £9,688
JAK SITE SERVICES LIMITIED is an established extension buildering business in DN18. We come highly recommended and provide competitive quotes for y...
From £9,552
Marhsall is an established extension buildering business in DN18. We come highly recommended and provide competitive quotes for your work.
From £9,704
Need to find an Extension Builder near you for all your extension buildering work?
HEPWORTH BUILDING provides a local, trusted extension bu...
From £9,616
Need an Extension Builder in DN18? S.E.S Services has been helping local clients (20 mile radius) with their extension buildering jobs for many yea...
From £9,848
Dan's News youth club is an established and experienced local extension builder in DN18. Please contact us for a free, no obligation quote and comp...

Garden offices range from the cheapest of £9,552 (Marhsall based in HU15) to the dearest of £10,360 (Ahs joinery and building ltd based in HU13), but these are only estimates.
The best way to compare costs is to get actual quotes.
Get rates and quotes to build a garden office in DN18 by posting a job with HaMuch. We'll send it to extension builders in DN18.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Garden Office near Willerby | £29 | £221 |
| Garden Office near Hull | £29 | £223 |
| Garden Office near North Lincolnshire | £28 | £216 |
| Garden Office near Scunthorpe | £26 | £207 |
| Garden Office near East Riding | £29 | £223 |
| Garden Office near Beverley | £29 | £223 |
| Garden Office near North East Lincolnshire | £32 | £246 |
| Garden Office near Grimsby | £32 | £246 |
| Garden Office near Cleethorpes | £32 | £246 |
| Garden Office near Goole | £26 | £217 |
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 - £17,290

Two storey extension - £87,684

Build a timber frame extension - £25,790

Build a swimming pool - £80,790

Single storey extension - £50,792

Side return extension - £39,133

Install an RSJ - £1,990

Outbuilding - £9,790

Build a Mansard loft conversion - £51,790

Loft conversion - £31,778

Build a kitchen extension - £41,790

Hip to gable loft conversion - £41,790

Granny annexe - £86,790

Garden office - £9,790

Convert a Garage - £15,790

Garage - £18,290

Build a flat roof extension - £21,790

Build a dormer loft conversion - £41,790

Concrete foundations - £6,040

Convert a bungalow loft - £28,790

Convert a basement - £35,133