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 £35,560
Ascot Property Solutions Limited is an established and experienced local extension builder in NN17. Please contact us for a free, no obligation quo...
From £36,730
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

Comparing extension builders estimates for Side return extension gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
What to do - Get rates and quotes for a side return extention by posting your job to extension builders in NN17.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Side Return Extension near Corby | £30 | £214 |
| Side Return Extension near Kettering | £34 | £237 |
| Side Return Extension near Market Harborough | £31 | £217 |
| Side Return Extension near Wellingborough | £39 | £251 |
| Side Return Extension near Stamford | £35 | £248 |
| Side Return Extension near Rushden | £34 | £231 |
| Side Return Extension near Wigston | £28 | £209 |
| Side Return Extension near Hamilton | £29 | £213 |
| Side Return Extension near Peterborough | £40 | £281 |
| Side Return Extension 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