From £51,384
Relax... you have found a reliable extension builder in BT28. Finch Construction NI is a friendly and reliable company based in BT28 who consider n...
From £51,400
T.I Building is a trusted extension builder serving customers in BT28 and the surrounding area. Contact us to today to get a competitive quote for ...
From £51,336
Trusted and professional extension builder in BT28. Experienced in all extension buildering work and keeping within budget and on quote. Belfast Lo...
From £51,176
Trusted and professional extension builder in BT28. Experienced in all extension buildering work and keeping within budget and on quote. Extended l...
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...
From £51,368
Relax... you have found a reliable extension builder in BT28. SM Plumbing & Heating is a friendly and reliable company based in BT28 who consider n...
From £51,384
Designco Ltd is an established extension buildering business in BT28. We come highly recommended and provide competitive quotes for your work.
...From £51,376
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

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 BT28 by posting a job with HaMuch and we'll send it to extension builders in BT28.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| 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 Maghaberry | £31 | £205 |
| Build A Mansard Loft Conversion near Carryduff | £23 | £158 |
| Build A Mansard Loft Conversion near Crumlin | £26 | £194 |
| Build A Mansard Loft Conversion near Belfast | £23 | £161 |
| Build A Mansard Loft Conversion near Waringstown | £23 | £167 |
| Build A Mansard Loft Conversion near Saintfield | £23 | £162 |
| Build A Mansard Loft Conversion near Ballynahinch | £19 | £189 |
| 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 - £16,961

Two storey extension - £87,191

Build a timber frame extension - £25,461

Build a swimming pool - £80,461

Single storey extension - £44,216

Side return extension - £35,434

Install an RSJ - £1,661

Outbuilding - £9,461

Build a Mansard loft conversion - £51,461

Loft conversion - £28,695

Build a kitchen extension - £41,461

Hip to gable loft conversion - £41,461

Granny annexe - £86,461

Garden office - £9,461

Convert a Garage - £15,461

Garage - £17,961

Build a flat roof extension - £21,461

Build a dormer loft conversion - £41,461

Concrete foundations - £5,711

Convert a bungalow loft - £28,461

Convert a basement - £31,434