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ANDREW HUNTER BUILDING SERVICES is an established and experienced local extension builder in Northumberland. Please contact us for a free, no oblig...
Trusted and professional extension builder in Northumberland. Experienced in all extension buildering work and keeping within budget and on quote. ...
Need an Extension Builder in Northumberland? D TAIT BUILDING & PROP REPAIRS has been helping local clients (20 mile radius) with their extension bu...
From £10,168
Trusted and professional extension builder in Northumberland. Experienced in all extension buildering work and keeping within budget and on quote. ...

Garden offices range from the cheapest of £9,808 (ANDREW HUNTER BUILDING SERVICES based in NE15) to the dearest of £10,168 (B & R Building Services based in NE5), 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 Northumberland by posting a job with HaMuch. We'll send it to extension builders in Northumberland.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Garden Office near Newcastle Upon Tyne | £33 | £236 |
| Garden Office near Longbenton | £34 | £234 |
| Garden Office near Cramlington | £36 | £256 |
| Garden Office near Gateshead | £33 | £236 |
| Garden Office near Consett | £33 | £241 |
| Garden Office near Stanley | £34 | £242 |
| Garden Office near Wallsend | £34 | £245 |
| Garden Office near Hebburn | £34 | £246 |
| Garden Office near Blyth | £42 | £288 |
| Garden Office near Whitley Bay | £38 | £268 |
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 - £17,480

Two storey extension - £87,970

Build a timber frame extension - £25,980

Build a swimming pool - £80,980

Single storey extension - £54,600

Side return extension - £41,275

Install an RSJ - £2,180

Outbuilding - £9,980

Build a Mansard loft conversion - £51,980

Loft conversion - £33,563

Build a kitchen extension - £41,980

Hip to gable loft conversion - £41,980

Granny annexe - £86,980

Garden office - £9,980

Convert a Garage - £15,980

Garage - £18,480

Build a flat roof extension - £21,980

Build a dormer loft conversion - £41,980

Concrete foundations - £6,230

Convert a bungalow loft - £28,980

Convert a basement - £37,275