Extend your New Forest 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 New Forest? To see prices and availability for your job click green button.

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From £22,152

Last active Jul 26
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3Lance Developments Limited

Relax... you have found a reliable extension builder in New Forest. 3Lance Developments Limited is a friendly and reliable company based in New For...

From £21,944

Last active Jul 26
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GOTHIC CONSTRUCTION LTD

GOTHIC CONSTRUCTION LTD is an established and experienced local extension builder in New Forest. Please contact us for a free, no obligation...

From £21,856

Last active Jun 26
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Trowel On

Trowel On is an established extension buildering business in New Forest. We come highly recommended and provide competitive quotes for your work.

From £21,808

Last active May 26
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ACCOLADE BUILDING CARE LIMITED

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

From £22,032

Last active May 26
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Accolade Building Care Ltd. T/A ABC

Need an Extension Builder in New Forest? Accolade Building Care Ltd. T/A ABC has been helping local clients (20 mile radius) with their extension b...

From £21,928

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GDS Building & Maintenance Ltd

GDS Building & Maintenance Ltd is an established and experienced local extension builder in New Forest. Please contact us for a free, no obligation...

From £21,288

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James Golby Construction

James Golby

All our work carries a life time guarantee , If we did it and you have a problem we want to know about it. Not the bloke in the pub or your next do...

From £22,016

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MARK VIGRASS

Mark Vigrass

General building services 

From £22,120

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Advance Shutters Ltd

Advance Shutters Ltd is an established and experienced local extension builder in New Forest. Please contact us for a free, no obligation quote and...

From £22,144

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MILESTONE BUILDING CONTRACTORS

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

MILESTONE BUILDING CONTRACTORS provides a local, trusted...

Flat roof extension cost in New Forest

Estimates for build a flat roof extension near New Forest

A flat roof extension ranges from the cheapest of £21,288 (James Golby Construction based in SO51) to the dearest of £22,152 (3Lance Developments Limited based in SO41), 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 New Forest by posting a job with HaMuch. We'll send it to extension builders in New Forest.


Estimates for common extension builder jobs in New Forest;

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...