Build additional living space on your property in ME18

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 ME18? To see prices and availability for your job click Get quotes.

HaMuch is Excellent

Granny annexe cost in ME18 - Sort by rates or availability

From £86,968

(last active 22/04/26)
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JOHN KNOWLES BUILDING SERVICES

JOHN KNOWLES BUILDING SERVICES are here to help customers who need an Extension Builder in ME18. We offer a competitive rate to complete all your e...

From £86,984

(last active 22/04/26)
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ARTBUILD LTD

Relax... you have found a reliable extension builder in ME18. ARTBUILD LTD is a friendly and reliable company based in ME18 who consider no job as ...

From £86,872

(last active 28/02/26)
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DAVID WILLIAMSON CONSTRUCTION

DAVID WILLIAMSON CONSTRUCTION is a trusted extension builder serving customers in ME18 and the surrounding area. Contact us to today to get a compe...

From £86,816

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JOHN HIGGINS BUILDING

John Higgins

Relax... you have found a reliable extension builder in ME18. JOHN HIGGINS BUILDING is a friendly and reliable company based in ME18 who c...

From £87,008

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TJ RALPH BUILDINGS SERVICES

TJ RALPH BUILDINGS SERVICES is a trusted extension builder serving customers in ME18 and the surrounding area. Contact us to today to get a competi...

From £87,088

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Elevate Loft Conversions Ltd

We are a family run, specialist loft conversions company who design and build lofts and extensions in the South East and we pride ourselves on prov...

From £86,904

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Frisby Building

Frisby Building have over 60 years of experience working in the building industry around Kent, specialising in kitchen and bathroom installations a...

From £86,872

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RKC INDUST ROOF & CLAD LTD

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

From £86,912

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Flisher Construction Ltd

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

Flisher Construction Ltd provides a local, trusted exten...

Granny Annexe Cost in ME18

Estimates for granny annexe near ME18

Building a granny annexe ranges from £86,816 (JOHN HIGGINS BUILDING based in ME18) to £87,088 (Elevate Loft Conversions Ltd based in ME19), 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 ME18 by posting a job with HaMuch. We will send it to extension builders in ME18 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 Larkfield£41£253
Granny Annexe near Maidstone£40£255
Granny Annexe near Tonbridge£38£254
Granny Annexe near Rochester£39£254
Granny Annexe near Sevenoaks£38£234
Granny Annexe near Tunbridge Wells£37£258
Granny Annexe near Chatham£39£254
Granny Annexe near Gillingham£39£253
Granny Annexe near Gravesend£40£260
Granny Annexe near Northfleet£41£261

Estimates for common extension builder jobs in ME18;

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...