Build additional living space on your property in PO2

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 PO2? To see prices and availability for your job click Get quotes.

HaMuch is Excellent

Granny annexe cost in PO2 - Sort by rates or availability

From £87,144

(last active 12/10/26)
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SBS Building Services

Steve Bannister

We are a small family run business with over 20 years experience in brickwork, bathroom/kitchen fitting, roofing, landscaping, fencing, tiling and ...

From £86,824

(last active 28/08/26)
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P Pattison

Perry Pattison

Self employed in building industry for the past 20 years.

local reliable.

From £86,968

(last active 16/07/26)
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Shepperd Developments

Experienced extension builder ready to quote for your work. Shepperd Developments is the best extension builder in PO2. No obligation free quotes a...

From £86,976

(last active 16/07/26)
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Portsmouth Building Repairs

Experienced extension builder ready to quote for your work. Portsmouth Building Repairs is the best extension builder in PO2. No obligation free qu...

From £86,936

(last active 16/07/26)
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Peter Fenn Property

Peter Fenn Property is a trusted extension builder serving customers in PO2 and the surrounding area. Contact us to today to get a competitive quot...

From £87,176

(last active 16/07/26)
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JKS Property

JKS Property is an established and experienced local extension builder in PO2. Please contact us for a free, no obligation quote and competitive ra...

From £86,920

(last active 16/07/26)
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M.K Warner Building Services

M.K Warner Building Services is an established extension buildering business in PO2. We come highly recommended and provide competitive quotes for ...

From £86,992

(last active 16/07/26)
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BUILD PROJECT LIMITED

BUILD PROJECT LIMITED are here to help customers who need an Extension Builder in PO2. We offer a competitive rate to complete all your extension b...

From £87,088

(last active 16/07/26)
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JM Roofing & Building Services

Experienced extension builder ready to quote for your work. JM Roofing & Building Services is the best extension builder in PO2. No obligation free...

From £87,128

(last active 21/06/26)
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SLG Mills Building Services

Relax... you have found a reliable extension builder in PO2. SLG Mills Building Services is a friendly and reliable company based in PO2 who consid...

Granny Annexe Cost in PO2

Estimates for granny annexe near PO2

Building a granny annexe ranges from £86,824 (P Pattison based in PO12) to £87,176 (JKS Property based in PO5), 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 PO2 by posting a job with HaMuch. We will send it to extension builders in PO2 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 Portsmouth£36£250
Granny Annexe near Gosport£35£246
Granny Annexe near Havant & Waterloo£35£248
Granny Annexe near Havant£35£249
Granny Annexe near Fareham£35£250
Granny Annexe near Lee-on-the-Solent£35£249
Granny Annexe near Waterlooville£36£250
Granny Annexe near Horndean£36£254
Granny Annexe near Ryde£34£255
Granny Annexe near Locks Heath£33£240

Estimates for common extension builder jobs in PO2;

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...