Build a single storey extension in Andersonstown from £37,720

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From £43,000

Last active Oct 26
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T.I Building

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

From £37,720

Last active Jun 26
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Mount Oriel Conversions & Extensions

Need to find an Extension Builder near you for all your extension buildering work?

Mount Oriel Conversions & Extensions provides a local, t...

From £42,360

Last active May 26
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SM Plumbing & Heating

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

From £41,720

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Belfast Loft Company

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

From £40,920

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Ballantine building solutions

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

From £44,760

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AK Building Services

Adam King

Ak building 

From £38,520

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Extended living by Gilbert-Ash

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

From £42,680

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Finch Construction NI

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

From £42,680

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Designco Ltd

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

From £42,520

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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...

Extension builder estimates (based on hourly rates) to build a single storey extension in Andersonstown

Estimates for single storey extension near Andersonstown

"Single storey extension" - BT11, job posted 08/03/26

"2 single story room extensions Kitchen dining - 6.5x 4m And master bedroom 5.7mx 3.5m" - BELFAST, job posted 01/01/70


Estimates for common extension builder jobs in Andersonstown;

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...