From £51,208
Need an Extension Builder in BT7? MIRKOW has been helping local clients (20 mile radius) with their extension buildering jobs for many years. Get a...
From £51,368
Relax... you have found a reliable extension builder in BT7. SM Plumbing & Heating is a friendly and reliable company based in BT7 who consider no ...
From £51,280
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £51,352
Need to find an Extension Builder near you for all your extension buildering work?
Firenstack Solutions provides a local, trusted extension...
From £51,176
Trusted and professional extension builder in BT7. Experienced in all extension buildering work and keeping within budget and on quote. Extended li...
From £51,336
Need an Extension Builder in BT7? H.M.Builders has been helping local clients (20 mile radius) with their extension buildering jobs for many years....
From £51,336
Trusted and professional extension builder in BT7. Experienced in all extension buildering work and keeping within budget and on quote. Belfast Lof...
From £51,384
Designco Ltd is an established extension buildering business in BT7. We come highly recommended and provide competitive quotes for your work.
From £51,136
Need to find an Extension Builder near you for all your extension buildering work?
Mount Oriel Conversions & Extensions provides a local, t...

Mansard loft conversions range from the cheapest installation of £51,136 (Mount Oriel Conversions & Extensions based in BT8) to the dearest of around £51,488 (AK Building Services based in BT8).
While these estimates give you a good idea how much you'll pay for a mansard loft conversion, the only way to get an accurate price is to get real quotes from real builders.
Get quotes to install a mansard loft conversion in BT7 by posting a job with HaMuch and we'll send it to extension builders in BT7.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Mansard Loft Conversion near Belfast | £23 | £161 |
| Build A Mansard Loft Conversion near Carryduff | £23 | £158 |
| Build A Mansard Loft Conversion near Holywood | £23 | £159 |
| Build A Mansard Loft Conversion near Lisburn | £24 | £164 |
| Build A Mansard Loft Conversion near Comber | £22 | £160 |
| Build A Mansard Loft Conversion near Greenisland | £23 | £153 |
| Build A Mansard Loft Conversion near Ballygowan | £24 | £183 |
| Build A Mansard Loft Conversion near Saintfield | £23 | £162 |
| Build A Mansard Loft Conversion near Hillsborough and Culcavy | £25 | £170 |
| Build A Mansard Loft Conversion near Crumlin | £26 | £194 |
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 - £16,806

Two storey extension - £86,960

Build a timber frame extension - £25,306

Build a swimming pool - £80,306

Single storey extension - £41,128

Side return extension - £33,697

Install an RSJ - £1,506

Outbuilding - £9,306

Build a Mansard loft conversion - £51,306

Loft conversion - £27,248

Build a kitchen extension - £41,306

Hip to gable loft conversion - £41,306

Granny annexe - £86,306

Garden office - £9,306

Convert a Garage - £15,306

Garage - £17,806

Build a flat roof extension - £21,306

Build a dormer loft conversion - £41,306

Concrete foundations - £5,556

Convert a bungalow loft - £28,306

Convert a basement - £29,697