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From £51,336
Trusted and professional extension builder in Crumlin. Experienced in all extension buildering work and keeping within budget and on quote. Belfast...

Mansard loft conversions range from the cheapest installation of £51,336 (Belfast Loft Company based in BT17) 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 Crumlin by posting a job with HaMuch and we'll send it to extension builders in Crumlin.
| 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 - £17,448

Two storey extension - £87,922

Build a timber frame extension - £25,948

Build a swimming pool - £80,948

Single storey extension - £53,960

Side return extension - £40,915

Install an RSJ - £2,148

Outbuilding - £9,948

Build a Mansard loft conversion - £51,948

Loft conversion - £33,263

Build a kitchen extension - £41,948

Hip to gable loft conversion - £41,948

Granny annexe - £86,948

Garden office - £9,948

Convert a Garage - £15,948

Garage - £18,448

Build a flat roof extension - £21,948

Build a dormer loft conversion - £41,948

Concrete foundations - £6,198

Convert a bungalow loft - £28,948

Convert a basement - £36,915