Build additional living space on your property in DH3

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 DH3? To see prices and availability for your job click Get quotes.

HaMuch is Excellent

Granny annexe cost in DH3 - Sort by rates or availability

From £87,280

(last active 02/07/26)
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HST ENG LTD

HST ENG LTD is an established extension buildering business in DH3. We come highly recommended and provide competitive quotes for your work.

From £86,784

(last active 02/07/26)
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ORILLA CONSTRUCTION SOLUTIONS

Relax... you have found a reliable extension builder in DH3. ORILLA CONSTRUCTION SOLUTIONS is a friendly and reliable company based in DH3 who cons...

From £86,848

(last active 22/05/26)
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Skyline Loft Conversions (NE) Ltd

Phil

Skyline Loft Conversions (NE) Ltd is an established and experienced local extension builder in DH3. Please contact us for a free, no obligation quo...

From £86,832

(last active 29/01/26)
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L F BUILDING & JOINERY

Experienced extension builder ready to quote for your work. L F BUILDING & JOINERY is the best extension builder in DH3. No obligation free quotes ...

From £87,880

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John Barrett Joiner Builder

John Barrett

Established 1983 . For more info visit web site please . Worked in industry for over 40 years. 

Granny Annexe Cost in DH3

Estimates for granny annexe near DH3

Building a granny annexe ranges from £86,784 (ORILLA CONSTRUCTION SOLUTIONS based in NE37) to £87,880 (John Barrett Joiner Builder based in NE37), 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 DH3 by posting a job with HaMuch. We will send it to extension builders in DH3 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 Chester-le-Street£35£242
Granny Annexe near Washington£33£254
Granny Annexe near Sunderland£33£251
Granny Annexe near Stanley£34£242
Granny Annexe near Gateshead£33£236
Granny Annexe near Durham£47£267
Granny Annexe near Hebburn£34£246
Granny Annexe near Jarrow£34£262
Granny Annexe near Newcastle Upon Tyne£33£236
Granny Annexe near South Tyneside£34£261

Estimates for common extension builder jobs in DH3;

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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