T.I Building is a trusted extension builder serving customers in BT29 and the surrounding area. Contact us to today to get a competitive quote for ...
Power Construction is an established and experienced local extension builder in BT29. Please contact us for a free, no obligation quote and competi...
Need to find an Extension Builder near you for all your extension buildering work?
Mount Oriel Conversions & Extensions provides a local, t...
Relax... you have found a reliable extension builder in BT29. SM Plumbing & Heating is a friendly and reliable company based in BT29 who consider n...
Been in business as 18 years alway put clients first and never had any combacks
Trusted and professional extension builder in BT29. Experienced in all extension buildering work and keeping within budget and on quote. Belfast Lo...
Ballantine building solutions is an established extension buildering business in BT29. We come highly recommended and provide competitive quotes fo...
Relax... you have found a reliable extension builder in BT29. Finch Construction NI is a friendly and reliable company based in BT29 who consider n...

Mansard loft conversions range from the cheapest installation of £51,136 (Mount Oriel Conversions & Extensions based in BT8) to the dearest of around £52,560 (Build a Boiler based in BT67).
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 BT29 by posting a job with HaMuch and we'll send it to extension builders in BT29.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Mansard Loft Conversion near Crumlin | £26 | £194 |
| Build A Mansard Loft Conversion near Maghaberry | £31 | £205 |
| Build A Mansard Loft Conversion near Lisburn | £24 | £164 |
| Build A Mansard Loft Conversion near Hillsborough and Culcavy | £25 | £170 |
| Build A Mansard Loft Conversion near Belfast | £23 | £161 |
| Build A Mansard Loft Conversion near Ballyclare | £20 | £124 |
| Build A Mansard Loft Conversion near Carryduff | £23 | £158 |
| Build A Mansard Loft Conversion near Waringstown | £23 | £167 |
| Build A Mansard Loft Conversion near Greenisland | £23 | £153 |
| Build A Mansard Loft Conversion near Holywood | £23 | £159 |
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 - £16,962

Two storey extension - £87,194

Build a timber frame extension - £25,462

Build a swimming pool - £80,462

Single storey extension - £44,248

Side return extension - £35,452

Install an RSJ - £1,662

Outbuilding - £9,462

Build a Mansard loft conversion - £51,462

Loft conversion - £28,710

Build a kitchen extension - £41,462

Hip to gable loft conversion - £41,462

Granny annexe - £86,462

Garden office - £9,462

Convert a Garage - £15,462

Garage - £17,962

Build a flat roof extension - £21,462

Build a dormer loft conversion - £41,462

Concrete foundations - £5,712

Convert a bungalow loft - £28,462

Convert a basement - £31,452