Build additional living space on your property in Llanishen

A granny annexe is the ideal solution for offering a young family member their own space in your home while they save up for their own house, or to help an older relative have some independence while keeping them at a safe distance. But how much do they cost to build in Llanishen? To see prices and availability for your job click green button.

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From £86,728

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 £86,808

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 £86,200

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 £86,616

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 £86,784

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 £86,632

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 £86,200

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 £86,600

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 £86,560

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 £86,040

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...

Granny Annexe Cost in Llanishen

Estimates for granny annexe near Llanishen

Building a granny annexe ranges from £86,040 (PK CONSTRUCTION based in CF14) to £86,808 (Chapman Builders based in CF5), but these are just estimates that can help give you an idea of who will be better value in your area.

The best thing to do is to get quotes to build a granny annexe in Llanishen by posting a job with HaMuch. We will send it to extension builders in Llanishen who will be happy to help you.


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Get extension builder rates instantly (excluding VAT or callout charges)
Location in UKHourly RateDaily Rate
Granny Annexe near Cardiff£34£223
Granny Annexe near Caerphilly£33£208
Granny Annexe near Penarth£35£223
Granny Annexe near Risca£32£218
Granny Annexe near Church Village£34£214
Granny Annexe near Newport£41£233
Granny Annexe near Pontypridd£33£211
Granny Annexe near Barry£33£218
Granny Annexe near Cwmbran£43£219
Granny Annexe near Rhondda£31£206

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...