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Select your affordable Ballyclare extension builder
From £21,296
Ballantine building solutions is an established extension buildering business in Ballyclare. We come highly recommended and provide competitive quo...
From £21,376
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £21,264
Trusted and professional extension builder in Ballyclare. Experienced in all extension buildering work and keeping within budget and on quote. DGA ...
From £21,384
Designco Ltd is an established extension buildering business in Ballyclare. We come highly recommended and provide competitive quotes for your work...

A flat roof extension ranges from the cheapest of £21,264 (DGA based in BT37) to the dearest of £21,384 (Designco Ltd based in BT36), 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 Ballyclare by posting a job with HaMuch. We'll send it to extension builders in Ballyclare.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Ballyclare | £20 | £124 |
| Build A Flat Roof Extension near Greenisland | £23 | £153 |
| Build A Flat Roof Extension near Carrickfergus | £23 | £158 |
| Build A Flat Roof Extension near Larne | £15 | £122 |
| Build A Flat Roof Extension near Holywood | £23 | £159 |
| Build A Flat Roof Extension near Belfast | £23 | £161 |
| Build A Flat Roof Extension near Crumlin | £26 | £194 |
| Build A Flat Roof Extension near Carryduff | £23 | £158 |
| Build A Flat Roof Extension near Bangor | £24 | £183 |
| Build A Flat Roof Extension near Bangor | £24 | £183 |
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 - £16,830

Two storey extension - £86,995

Build a timber frame extension - £25,330

Build a swimming pool - £80,330

Single storey extension - £41,600

Side return extension - £33,963

Install an RSJ - £1,530

Outbuilding - £9,330

Build a Mansard loft conversion - £51,330

Loft conversion - £27,469

Build a kitchen extension - £41,330

Hip to gable loft conversion - £41,330

Granny annexe - £86,330

Garden office - £9,330

Convert a Garage - £15,330

Garage - £17,830

Build a flat roof extension - £21,330

Build a dormer loft conversion - £41,330

Concrete foundations - £5,580

Convert a bungalow loft - £28,330

Convert a basement - £29,963