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Select your affordable Coalisland extension builder
Gary Mc cann
Need to find an Extension Builder near you for all your extension buildering work?
GMC Construction provides a local, trusted extension bui...
From £21,784
JP&S Construction Ltd is an established extension buildering business in Coalisland. We come highly recommended and provide competitive quotes for ...

A flat roof extension ranges from the cheapest of £21,784 (JP&S Construction Ltd based in BT70) to the dearest of £22,016 (GMC Construction based in BT70), 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 Coalisland by posting a job with HaMuch. We'll send it to extension builders in Coalisland.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Coalisland | £27 | £223 |
| Build A Flat Roof Extension near Dungannon | £30 | £238 |
| Build A Flat Roof Extension near Craigavon | £23 | £181 |
| Build A Flat Roof Extension near Magherafelt | £30 | £238 |
| Build A Flat Roof Extension near Waringstown | £23 | £167 |
| Build A Flat Roof Extension near Maghaberry | £31 | £205 |
| Build A Flat Roof Extension near Crumlin | £26 | £194 |
| Build A Flat Roof Extension near Banbridge | £29 | £205 |
| Build A Flat Roof Extension near Hillsborough and Culcavy | £25 | £170 |
| Build A Flat Roof Extension near Lisburn | £24 | £164 |
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 - £17,400

Two storey extension - £87,850

Build a timber frame extension - £25,900

Build a swimming pool - £80,900

Single storey extension - £53,000

Side return extension - £40,375

Install an RSJ - £2,100

Outbuilding - £9,900

Build a Mansard loft conversion - £51,900

Loft conversion - £32,813

Build a kitchen extension - £41,900

Hip to gable loft conversion - £41,900

Granny annexe - £86,900

Garden office - £9,900

Convert a Garage - £15,900

Garage - £18,400

Build a flat roof extension - £21,900

Build a dormer loft conversion - £41,900

Concrete foundations - £6,150

Convert a bungalow loft - £28,900

Convert a basement - £36,375