Build a mansard loft conversion in Greenisland from £51,264

Mansard loft conversions are ideal if you want to maximise the space in your home. Extending your roof out into a flat roof with an almost vertical wall, they almost always require planning permission but can add significant value to your home. To see prices and availability for your job click green button.

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From £51,368

Last active May 26
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SM Plumbing & Heating

Relax... you have found a reliable extension builder in Greenisland. SM Plumbing & Heating is a friendly and reliable company based in Greenisland ...

From £51,296

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Ballantine building solutions

Ballantine building solutions is an established extension buildering business in Greenisland. We come highly recommended and provide competitive qu...

From £51,264

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DGA

Trusted and professional extension builder in Greenisland. Experienced in all extension buildering work and keeping within budget and on quote. DGA...

From £51,384

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Designco Ltd

Designco Ltd is an established extension buildering business in Greenisland. We come highly recommended and provide competitive quotes for your wor...

From £51,376

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LM Design & Build

Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

Mansard loft conversion cost in Greenisland

Estimates for build a mansard loft conversion near Greenisland

Mansard loft conversions range from the cheapest installation of £51,264 (DGA based in BT37) to the dearest of around £51,384 (Designco Ltd based in BT36).

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 Greenisland by posting a job with HaMuch and we'll send it to extension builders in Greenisland. 


Estimates for common extension builder jobs in Greenisland;

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.

More extensions & conversions cost guides...