Extend your Maghaberry with an extension

A flat roof extension is a great way to add extra space to your home without splashing out on the costs of a pitched roof extension. Often exempt from planning permission rules, you can build a flat roof extension up to 3 metres in height as long as it's not visible from a road. But how much do they cost in Maghaberry? To see prices and availability for your job click green button.

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From £21,400

Last active Oct 26
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T.I Building

T.I Building is a trusted extension builder serving customers in Maghaberry and the surrounding area. Contact us to today to get a competitive quot...

From £22,560

Last active Oct 26
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Build a Boiler

Niall Rogers

Gas heating Oil heating Bathrooms

From £21,336

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Belfast Loft Company

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

From £21,384

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Finch Construction NI

Relax... you have found a reliable extension builder in Maghaberry. Finch Construction NI is a friendly and reliable company based in Maghaberry wh...

From £21,448

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The Method Group

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

Flat roof extension cost in Maghaberry

Estimates for build a flat roof extension near Maghaberry

A flat roof extension ranges from the cheapest of £21,336 (Belfast Loft Company based in BT17) to the dearest of £22,560 (Build a Boiler based in BT67), but these are just estimates. While they give you an idea of who will be better value, the best way to compare costs is to get real quotes. 

Find out how much your flat roof extension will cost in Maghaberry by posting a job with HaMuch. We'll send it to extension builders in Maghaberry.


Estimates for common extension builder jobs in Maghaberry;

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.

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