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From £51,496
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 £51,496 (Ballygrange Contracts based in BT34) to the dearest of around £51,496 (Ballygrange Contracts based in BT34).
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 Newcastle by posting a job with HaMuch and we'll send it to extension builders in Newcastle.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Mansard Loft Conversion near Kilkeel | £28 | £182 |
| Build A Mansard Loft Conversion near Ballynahinch | £19 | £189 |
| Build A Mansard Loft Conversion near Banbridge | £29 | £205 |
| Build A Mansard Loft Conversion near Saintfield | £23 | £162 |
| Build A Mansard Loft Conversion near Portaferry | £22 | £164 |
| Build A Mansard Loft Conversion near Hillsborough and Culcavy | £25 | £170 |
| Build A Mansard Loft Conversion near Lisburn | £24 | £164 |
| Build A Mansard Loft Conversion near Carryduff | £23 | £158 |
| Build A Mansard Loft Conversion near Waringstown | £23 | £167 |
| Build A Mansard Loft Conversion near Maghaberry | £31 | £205 |
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 - £16,996

Two storey extension - £87,244

Build a timber frame extension - £25,496

Build a swimming pool - £80,496

Single storey extension - £44,920

Side return extension - £35,830

Install an RSJ - £1,696

Outbuilding - £9,496

Build a Mansard loft conversion - £51,496

Loft conversion - £29,025

Build a kitchen extension - £41,496

Hip to gable loft conversion - £41,496

Granny annexe - £86,496

Garden office - £9,496

Convert a Garage - £15,496

Garage - £17,996

Build a flat roof extension - £21,496

Build a dormer loft conversion - £41,496

Concrete foundations - £5,746

Convert a bungalow loft - £28,496

Convert a basement - £31,830