Find affordable Cockfosters extension builders now

Extension builders rates in Cockfosters range from £38/hour £243/day (New Finishes) to £77/hour £323/day (Homeworks Design & Build Ltd). To see prices and availability now for your job click green button.

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£64/hr

£320/day

Last active Oct 26
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Rafix Building

Rafal Szczepanski

Our homes need to be regularly maintained and from time to time they need to be rejuvenated, modernised and enhanced. When it comes to building wor...

"Underpinning" - N20, job posted 01/03/26

£38/hr

£243/day

Last active Oct 26
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New Finishes

Location

Cockfosters, EN4

New Finishes is a trusted extension builder serving customers in Cockfosters and the surrounding area. Contact us to today to get a competitive quo...

"Underpinning" - EN2, job posted 19/12/25

£47/hr

£297/day

Last active Oct 26
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Pavillion Building Services

Relax... you have found a reliable extension builder in Cockfosters. Pavillion Building Services is a friendly and reliable company based in Cockfo...

"Loft conversion" - N20, job posted 11/01/24

£43/hr

£276/day

Last active Oct 26
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Homeland Building Ltd

Location

Cockfosters, EN4

Homeland Building Ltd is a trusted extension builder serving customers in Cockfosters and the surrounding area. Contact us to today to get a compet...

£41/hr

£257/day

Last active Oct 26
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Wittick Building Ltd

Wittick Building Ltd is a trusted extension builder serving customers in Cockfosters and the surrounding area. Contact us to today to get a competi...

£43/hr

£276/day

Last active Sep 26
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Roni Lofts Conversions Ltd

Location

Cockfosters Barnet, EN4

Need an Extension Builder in Cockfosters? Roni Lofts Conversions Ltd has been helping local clients (10 mile radius) with their extension builderin...

£49/hr

£304/day

Last active Aug 26
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Odp Builders

Need an Extension Builder in Cockfosters? Odp Builders has been helping local clients (5 mile radius) with their extension buildering jobs for many...

£77/hr

£323/day

Last active Aug 26
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Homeworks Design & Build Ltd

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

£45/hr

£286/day

Last active Jul 26
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D.J Coyle & Co.Ltd

Trusted and professional extension builder in Cockfosters. Experienced in all extension buildering work and keeping within budget and on quote. D.J...

£40/hr

£254/day

Last active Jun 26
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A Sparky Technical Building Services

Location

Barnet, EN4

Relax... you have found a reliable extension builder in Cockfosters. A Sparky Technical Building Services is a friendly and reliable company based ...

£48/hr

£299/day

Last active Jun 26
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Home Projects

Relax... you have found a reliable extension builder in Cockfosters. Home Projects is a friendly and reliable company based in Cockfosters who cons...

£47/hr

£294/day

Last active Jun 26
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The Hadley Loft Company Ltd

Are you looking to make the most of your property with a loft conversion? The Hadley Loft Company Ltd can help. Based in Barnet, we provide high-en...

£55/hr

£262/day

Last active Jun 26
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Din Floor

Dariusz Piecuch

Honest and reliable,helpful team ready to sort out Your solutions.

£48/hr

£295/day

Last active Mar 26
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Mansarda Ltd

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

Mansarda Ltd provides a local, trusted extension builder...

£46/hr

£289/day

Last active Mar 26
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R & I Builders

R & I Builders is an established extension buildering business in Cockfosters. We come highly recommended and provide competitive quotes for your w...

£44/hr

£274/day

Last active Mar 26
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I Builder

I Builder are a well established, reliable and trustworthy company with over twenty years' experience.We are based in Barnet covering Barne...

£47/hr

£294/day

Last active Mar 26
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EVS ARCHITECTURE & CONSTRUCTION LTD

HOW WE WORK?We are here to design the best places!Our experience includes projects all over the world, from small scaled projects to large resident...

£49/hr

£304/day

Last active Mar 26
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AGK Building Services Ltd

AGK Building Services Ltd is a small family-run business with more than 20 years' experience in the building services industry. We have a team of d...

£40/hr

£248/day

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TIPS CONSTRUCTION

Experienced extension builder ready to quote for your work. TIPS CONSTRUCTION is the best extension builder in Cockfosters. No obligation free quot...

£49/hr

£309/day

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BT Projects London Ltd

Location

Cockfosters Barnet, EN4

At BT Projects London Ltd we have been fitting bespoke bathrooms for 14 years. We pride ourselves on being the go-to bathroom fitt...

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Job estimates from extension builders near you

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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