Build additional living space on your property in Herne Bay

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

HaMuch is Excellent

Granny annexe cost in Herne Bay - Sort by rates or availability

From £86,056

(last active 12/10/26)
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S MEGSON CONSTRUCTION

Simon Megson

35 years in the trade can Lay bricks plaster roofing wall and floor tiling

From £86,312

(last active 19/09/26)
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B H G M Ltd

Brendan Healy

All building work , all hoyse maintenance. House extension and refurbishment works.

From £86,552

(last active 13/08/26)
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Harts Brickwork, Driveways & Landscaping

Daniel Hart

Small family building business reliable friendly service  and very high  quality of works

From £86,920

(last active 15/02/26)
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Modularr

Modularr is an established and experienced local extension builder in Herne Bay. Please contact us for a free, no obligation quote and competitive ...

From £87,040

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Morgan and Smith Construction Ltd

\nMorgan and Smith was created in 2017 after seeing a gap in the market for a more personal service. Too often, we saw customers feeling disconnect...

From £87,064

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Gilson Construction

Our building services company Gilson Construction have thirty years’ experience and have been helping customers in Kent and the surrounding area ...

Granny Annexe Cost in Herne Bay

Estimates for granny annexe near Herne Bay

Building a granny annexe ranges from £86,056 (S MEGSON CONSTRUCTION based in CT5) to £87,064 (Gilson Construction based in CT6), 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 Herne Bay by posting a job with HaMuch. We will send it to extension builders in Herne Bay who will be happy to help you.


Get extension builder rates instantly

Get extension builder rates instantly (excluding VAT or callout charges)
Location in UKHourly RateDaily Rate
Granny Annexe near Herne Bay£28£213
Granny Annexe near Whitstable£28£214
Granny Annexe near Canterbury£31£232
Granny Annexe near Thanet£27£208
Granny Annexe near Faversham£34£235
Granny Annexe near Margate£27£208
Granny Annexe near Ramsgate£27£208
Granny Annexe near Broadstairs£27£208
Granny Annexe near Swale£35£241
Granny Annexe near Deal£26£199

Estimates for common extension builder jobs in Herne Bay;

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.

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