B GS GENERAL BUILDERS are here to help customers who need an Extension Builder in NN17. We offer a competitive rate to complete all your extension ...
From £9,472
Ascot Property Solutions Limited is an established and experienced local extension builder in NN17. Please contact us for a free, no obligation quo...
From £9,576
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

Garden offices range from the cheapest of £9,472 (Ascot Property Solutions Limited based in NN17) to the dearest of £9,656 (B GS GENERAL BUILDERS based in NN17), 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 NN17 by posting a job with HaMuch. We'll send it to extension builders in NN17.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Garden Office near Corby | £30 | £214 |
| Garden Office near Kettering | £34 | £237 |
| Garden Office near Market Harborough | £31 | £217 |
| Garden Office near Wellingborough | £39 | £251 |
| Garden Office near Stamford | £35 | £248 |
| Garden Office near Rushden | £34 | £231 |
| Garden Office near Wigston | £28 | £209 |
| Garden Office near Hamilton | £29 | £213 |
| Garden Office near Peterborough | £40 | £281 |
| Garden Office near Oadby | £28 | £207 |
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 - £17,068

Two storey extension - £87,352

Build a timber frame extension - £25,568

Build a swimming pool - £80,568

Single storey extension - £46,360

Side return extension - £36,640

Install an RSJ - £1,768

Outbuilding - £9,568

Build a Mansard loft conversion - £51,568

Loft conversion - £29,700

Build a kitchen extension - £41,568

Hip to gable loft conversion - £41,568

Granny annexe - £86,568

Garden office - £9,568

Convert a Garage - £15,568

Garage - £18,068

Build a flat roof extension - £21,568

Build a dormer loft conversion - £41,568

Concrete foundations - £5,818

Convert a bungalow loft - £28,568

Convert a basement - £32,640