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

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From £23,024

Last active Sep 26
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KD Construction

Location

Llanelli, SA15

Need an Extension Builder in Llanelli? KD Construction has been helping local clients (20 mile radius) with their extension buildering jobs for man...

From £21,560

Last active Sep 26
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NTW BUILDING

NTW BUILDING is an established and experienced local extension builder in Llanelli. Please contact us for a free, no obligation quote and competiti...

From £21,648

Last active Sep 26
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R M R BUILDING CONTRACTORS

Relax... you have found a reliable extension builder in Llanelli. R M R BUILDING CONTRACTORS is a friendly and reliable company based in Llanelli w...

From £21,952

Last active Sep 26
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Llanelli Damp Proofing

Llanelli Damp Proofing is an established and experienced local extension builder in Llanelli. Please contact us for a free, no obligation quote and...

From £21,968

Last active Sep 26
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Home Maintenance & Improvement

Relax... you have found a reliable extension builder in Llanelli. Home Maintenance & Improvement is a friendly and reliable company based in Llanel...

From £22,080

Last active Aug 26
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Apex Building Services

Andy Power

Worked in building all my working life. 

Worked as a builder 30 plus year's. 

Am a hands on builder. Have built hou...

From £21,848

Last active Mar 26
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Graham & Co Home Improvement Specialists

Need an Extension Builder in Llanelli? Graham & Co Home Improvement Specialists has been helping local clients (20 mile radius) with their extensio...

From £21,704

Last active Dec 25
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Colin Cole - Total Renovations

Colin Cole - Total Renovations is an established and experienced local extension builder in Llanelli. Please contact us for a free, no obligation q...

From £21,744

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L2 Construction Limited

L2 Construction Limited is an established and experienced local extension builder in Llanelli. Please contact us for a free, no obligation quote an...

From £21,856

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RTC BUILDERS

RTC BUILDERS is a trusted extension builder serving customers in Llanelli and the surrounding area. Contact us to today to get a competitive quote ...

Flat roof extension cost in Llanelli

Estimates for build a flat roof extension near Llanelli

A flat roof extension ranges from the cheapest of £21,560 (NTW BUILDING based in SA15) to the dearest of £23,024 (KD Construction based in SA15), 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 Llanelli by posting a job with HaMuch. We'll send it to extension builders in Llanelli.


Estimates for common extension builder jobs in Llanelli;

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...