From £21,632
Taggart Homes - The Designer Builder are here to help customers who need an Extension Builder in BT48. We offer a competitive rate to complete all ...

A flat roof extension ranges from the cheapest of £21,632 (Taggart Homes - The Designer Builder based in BT47) to the dearest of £21,632 (Taggart Homes - The Designer Builder based in BT47), but these are just estimates. While they give you an idea of who will be better value, the best way to compare costs is to get real quotes.
Find out how much your flat roof extension will cost in BT48 by posting a job with HaMuch. We'll send it to extension builders in BT48.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Strathfoyle | £24 | £190 |
| Build A Flat Roof Extension near Culmore | £24 | £190 |
| Build A Flat Roof Extension near Newbuildings | £24 | £190 |
| Build A Flat Roof Extension near Londonderry | £24 | £190 |
| Build A Flat Roof Extension near Eglinton | £25 | £204 |
| Build A Flat Roof Extension near Strabane | £30 | £240 |
| Build A Flat Roof Extension near Dungiven | £22 | £190 |
| Build A Flat Roof Extension near Coleraine | £23 | £201 |
| Build A Flat Roof Extension near Magherafelt | £30 | £238 |
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 - £17,132

Two storey extension - £87,448

Build a timber frame extension - £25,632

Build a swimming pool - £80,632

Single storey extension - £47,640

Side return extension - £37,360

Install an RSJ - £1,832

Outbuilding - £9,632

Build a Mansard loft conversion - £51,632

Loft conversion - £30,300

Build a kitchen extension - £41,632

Hip to gable loft conversion - £41,632

Granny annexe - £86,632

Garden office - £9,632

Convert a Garage - £15,632

Garage - £18,132

Build a flat roof extension - £21,632

Build a dormer loft conversion - £41,632

Concrete foundations - £5,882

Convert a bungalow loft - £28,632

Convert a basement - £33,360