From £87,244
Trusted and professional extension builder in Ballymoney. Experienced in all extension buildering work and keeping within budget and on quote. purd...
From £87,412
Need an Extension Builder in Ballymoney? SF Carpentry has been helping local clients (20 mile radius) with their extension buildering jobs for many...
From £87,148
We have over 25 years experience in all building work and renowned for good workmanship All jobs small and large taken on

Costs range from £87,148 (C McGurk Building Contractor based in BT44) to £87,412 (SF Carpentry based in BT51), but these are just estimates. The best way to compare costs is to get real quotes from real builders.
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| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Two Storey Extension near Ballymoney | £21 | £187 |
| Two Storey Extension near Coleraine | £23 | £201 |
| Two Storey Extension near Dungiven | £22 | £190 |
| Two Storey Extension near Magherafelt | £30 | £238 |
| Two Storey Extension near Ballyclare | £20 | £124 |
| Two Storey Extension near Londonderry | £24 | £190 |
| Two Storey Extension near Larne | £15 | £122 |
| Two Storey Extension near Carrickfergus | £23 | £158 |
| Two Storey Extension near Greenisland | £23 | £153 |
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 - £17,012

Two storey extension - £87,268

Build a timber frame extension - £25,512

Build a swimming pool - £80,512

Single storey extension - £45,240

Side return extension - £36,010

Install an RSJ - £1,712

Outbuilding - £9,512

Build a Mansard loft conversion - £51,512

Loft conversion - £29,175

Build a kitchen extension - £41,512

Hip to gable loft conversion - £41,512

Granny annexe - £86,512

Garden office - £9,512

Convert a Garage - £15,512

Garage - £18,012

Build a flat roof extension - £21,512

Build a dormer loft conversion - £41,512

Concrete foundations - £5,762

Convert a bungalow loft - £28,512

Convert a basement - £32,010