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

HaMuch is Excellent

Build a flat roof extension cost in Swanage - Sort by rates or availability

From £22,584

Last active Oct 26
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RNTP ltd

Richard Thomas

Need an Extension Builder in Swanage? RNTP ltd has been helping local clients (20 mile radius) with their extension buildering jobs for many years....

From £21,816

Last active Sep 26
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Urban Projects

Urban Projects are here to help customers who need an Extension Builder in Swanage. We offer a competitive rate to complete all your extension buil...

From £21,200

Last active Jun 26
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GMD Roofing

George DIXON

MARLEY TRained roofer, reliable ,flat roofs , slating and tiling,fascias and gutters. All repairs, no job too small

From £22,064

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D&B Build

Need an Extension Builder in Swanage? D&B Build has been helping local clients (20 mile radius) with their extension buildering jobs for many years...

From £22,120

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Ground Up Building Services Ltd

Ground Up Building Services Ltd is a trusted extension builder serving customers in Swanage and the surrounding area. Contact us to today to get a ...

From £22,008

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DJ HALE BUILDING CONTRACTORS

DJ HALE BUILDING CONTRACTORS is a trusted extension builder serving customers in Swanage and the surrounding area. Contact us to today to get a com...

From £21,784

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SWANAGE BUILDING SERVICES

Location

Swanage, BH19

SWANAGE BUILDING SERVICES is a trusted extension builder serving customers in Swanage and the surrounding area. Contact us to today to get a compet...

From £22,288

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Portus Homes

Experienced extension builder ready to quote for your work. Portus Homes is the best extension builder in Swanage. No obligation free quotes and ma...

Flat roof extension cost in Swanage

Estimates for build a flat roof extension near Swanage

A flat roof extension ranges from the cheapest of £21,200 (GMD Roofing based in BH15) to the dearest of £22,584 (RNTP ltd based in BH14), 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 Swanage by posting a job with HaMuch. We'll send it to extension builders in Swanage.


Estimates for common extension builder jobs in Swanage;

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...