From £39,070
JP&S Construction Ltd is an established extension buildering business in BT80. We come highly recommended and provide competitive quotes for your w...
From £40,420
FJS CONTRACTS LTD are here to help customers who need an Extension Builder in BT80. We offer a competitive rate to complete all your extension buil...
From £33,580
Been in business as 18 years alway put clients first and never had any combacks
From £41,680
Seamus Mcmullan building and joinery is an established extension buildering business in BT80. We come highly recommended and provide competitive qu...
From £41,680
Need to find an Extension Builder near you for all your extension buildering work?
GMC Construction provides a local, trusted extension bui...
From £35,110
We have over 25 years experience in all building work and renowned for good workmanship All jobs small and large taken on
From £36,280
Experienced extension builder ready to quote for your work. Terry Design is the best extension builder in BT80. No obligation free quotes and many ...

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 BT80.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Side Return Extension near Coalisland | £21 | £173 |
| Side Return Extension near Magherafelt | £25 | £200 |
| Side Return Extension near Dungannon | £23 | £186 |
| Side Return Extension near Craigavon | £22 | £170 |
| Side Return Extension near Dungiven | £21 | £179 |
| Side Return Extension near Crumlin | £22 | £168 |
| Side Return Extension near Waringstown | £21 | £146 |
| Side Return Extension near Maghaberry | £27 | £175 |
| Side Return Extension near Coleraine | £21 | £181 |
| Side Return Extension near Hillsborough and Culcavy | £21 | £141 |
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 - £17,212

Two storey extension - £87,568

Build a timber frame extension - £25,712

Build a swimming pool - £80,712

Single storey extension - £49,240

Side return extension - £38,260

Install an RSJ - £1,912

Outbuilding - £9,712

Build a Mansard loft conversion - £51,712

Loft conversion - £31,050

Build a kitchen extension - £41,712

Hip to gable loft conversion - £41,712

Granny annexe - £86,712

Garden office - £9,712

Convert a Garage - £15,712

Garage - £18,212

Build a flat roof extension - £21,712

Build a dormer loft conversion - £41,712

Concrete foundations - £5,962

Convert a bungalow loft - £28,712

Convert a basement - £34,260