Add an outbuilding to your property in NW3 from £9,928

Outbuildings are the perfect way to add extra space to your property when you need a bit of quiet from the main house. Whether it's for a garden office, gym or workshop, an outbuilding can add value to your home and increase your quality of life. To see prices and availability for your job click green button.

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From £10,392

Last active Nov 26
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Samuele Paolini

Samuele Paolini

Need an Extension Builder in NW3? Samuele Paolini has been helping local clients (5 mile radius) with their extension buildering jobs for many yea...

From £10,360

Last active Nov 26
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A&J BUILDERS & DECORATORS LTD

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

From £9,928

Last active Nov 26
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BPS Building

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

From £10,048

Last active Nov 26
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NWL Renovations Ltd

Patrick Gavin

Need an Extension Builder in NW3? NWL Renovations Ltd has been helping local clients (5 mile radius) with their extension buildering jobs for many...

From £9,976

Last active Nov 26
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SLS BUILDERS LIMITED

SLS BUILDERS LIMITED is a trusted extension builder serving customers in NW3 and the surrounding area. Contact us to today to get a competitive quo...

From £10,184

Last active Sep 26
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First guard Roofing

Darren Bergin

Relax... you have found a reliable extension builder in NW3. First guard Roofing is a friendly and reliable company based in NW3 who consider no jo...

From £10,640

Last active Sep 26
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ELJHANI BUILDING & PROPERTY MANAGEMENT SERVICES LTD

Hussein Eljhani

We are highly professional Builders Company, hones pricing and reliable, we leave all areas clean and tidy.

From £11,904

Last active May 26
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Plum & Bros Loft Ltd

Plum & Bros Loft Ltd is an established extension buildering business in NW3. We come highly recommended and provide competitive quotes for your wor...

From £10,376

Last active Feb 26
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EUROBUILD PROPERTIES CO LTD

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

EUROBUILD PROPERTIES CO LTD provides a local, trusted ex...

From £10,312

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AA Plus Renovation Ltd

Our building services company AA Plus Renovation Ltd has over 13 years of experience. Since then, we have been helping customers in London and the ...

Outbuilding cost in NW3

Estimates for outbuilding near NW3

Outbuilding costs in NW3 range from the cheapest of £9,928 (BPS Building based in NW6) to the dearest of £11,904 (Plum & Bros Loft Ltd based in NW6), but these are just estimates.

Comparing extension builders estimates for building an outbuilding gives you an idea of who will be better value, but the best way to compare costs is to get actual quotes.

Get rates and quotes to build an outbuilding in NW3 by posting a job with HaMuch and we will send it to extension builders.


Estimates for common extension builder jobs in NW3;

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...