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

HaMuch is Excellent

How HaMuch saves you money

Post your job for free

Post your job for free

We send your job to ALL St Mewan extension builders

Compare quotes

Compare quotes

Available extension builders in St Mewan reply

Save Money

Save Money

Select your affordable St Mewan extension builder

Post your job

From £21,824

Last active Sep 26
Get quotes

BUILDMARK BUILDERS

Relax... you have found a reliable extension builder in St Mewan. BUILDMARK BUILDERS is a friendly and reliable company based in St Mewan who consi...

From £21,936

Last active Sep 26
Get quotes

SANDSTONE BUILDERS T/A

SANDSTONE BUILDERS T/A is a trusted extension builder serving customers in St Mewan and the surrounding area. Contact us to today to get a competit...

From £22,088

Get quotes

DAVEY CONSTRUCTION LTD

Need an Extension Builder in St Mewan? DAVEY CONSTRUCTION LTD has been helping local clients (20 mile radius) with their extension buildering jobs ...

From £21,784

Get quotes

HAM & PEARCE CONSTRUCTION LTD

HAM & PEARCE CONSTRUCTION LTD is a trusted extension builder serving customers in St Mewan and the surrounding area. Contact us to today to get a c...

From £22,064

Get quotes

Probuild(cornwall) ltd

Probuild was set up as a platform to service clients with High End affordable quality Construction & project Management with solid advice & accurat...

From £22,088

Get quotes

Refresh Renovations Cornwall

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

From £22,104

Get quotes

Refresh Renovations Cornwall

We are a part of the award-winning Refresh Renovation franchise network.Whether you want a simple bathroom remodel, or a large double storey extens...

From £22,104

Get quotes

Paul Clarke Architectural Builders

Need an Extension Builder in St Mewan? Paul Clarke Architectural Builders has been helping local clients (20 mile radius) with their extension buil...

From £21,840

Get quotes

Aston Construction Project Management

Aston Construction Project Management is a trusted extension builder serving customers in St Mewan and the surrounding area. Contact us to today to...

From £21,808

Get quotes

Pendragon Builders Ltd

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

Pendragon Builders Ltd provides a local, trusted extensi...

Flat roof extension cost in St Mewan

Estimates for build a flat roof extension near St Mewan

A flat roof extension ranges from the cheapest of £21,784 (HAM & PEARCE CONSTRUCTION LTD based in PL23) to the dearest of £22,104 (Refresh Renovations Cornwall based in PL25), 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 St Mewan by posting a job with HaMuch. We'll send it to extension builders in St Mewan.


Get extension builder rates instantly

Estimates for common extension builder jobs in St Mewan;

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...