Add extra space to your Llanishen home from £41,040

Dormer loft conversions are ideal if you want to add lots of extra space to your home. Adding a box-like structure or structures to the roof, you essentially extend the roofline to add significant square footage to your loft space. This makes dormer loft conversions one of the most popular loft conversion types, as they're ideal for adding a new main bedroom with en-suite or even a self-contained living space. To see prices and availability for your job click green button.

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From £41,728

Last active Oct 26
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The Philog Paving Services

The Philog Paving Services is an established extension buildering business in Llanishen. We come highly recommended and provide competitive quotes ...

From £41,808

Last active Oct 26
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Chapman Builders

Experienced extension builder ready to quote for your work. Chapman Builders is the best extension builder in Llanishen. No obligation free quotes ...

From £41,200

Last active Oct 26
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A.Gaddarn Builders

Alan Gaddarn

Very reliable honest and hard working guarantee all work clean and tidy first class work

From £41,616

Last active Sep 26
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JA Building Maintenance

Experienced extension builder ready to quote for your work. JA Building Maintenance is the best extension builder in Llanishen. No obligation free ...

From £41,784

Last active Sep 26
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TOR BUILD

Experienced extension builder ready to quote for your work. TOR BUILD is the best extension builder in Llanishen. No obligation free quotes and man...

From £41,632

Last active Sep 26
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Charles Marshall Contracting Ltd

Relax... you have found a reliable extension builder in Llanishen. Charles Marshall Contracting Ltd is a friendly and reliable company based in Lla...

From £41,200

Last active Aug 26
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Penarth Loft Conversions Ltd

Bill Coslett

35 years in the trade and there is not much we haven't come across or done from pools to extensions and we specialise in loft conversions

From £41,600

Last active Jul 26
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MARWAY BUILDING LTD

MARWAY BUILDING LTD is a trusted extension builder serving customers in Llanishen and the surrounding area. Contact us to today to get a competitiv...

From £41,560

Last active Jul 26
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Elite Building Contractors South Wales

Trusted and professional extension builder in Llanishen. Experienced in all extension buildering work and keeping within budget and on quote. Elite...

From £41,040

Last active Jul 26
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PK CONSTRUCTION

Paul Knox

Trusted and professional extension builder in Llanishen. Experienced in all extension buildering work and keeping within budget and on quote. PK CO...

Cost of dormer loft conversions in Llanishen

Estimates for build a dormer loft conversion near Llanishen

In Llanishen, prices for dormer loft conversions range from £41,040 (PK CONSTRUCTION based in CF14) to £41,808 (Chapman Builders based in CF5), but how much your conversion costs will vary depending on the size of your property, how easy access to your roof is and what you want to use the space for. 

The best way to get an accurate price is to compare quotes from extension builders in Llanishen. Post your job on HaMuch now and we'll put you in touch with available extension builders.


Estimates for common extension builder jobs in Llanishen;

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...