Build additional living space on your property in Hertfordshire

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 Hertfordshire?

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Granny annexe cost in Hertfordshire

Planson’s Building Services

From £87,024

Location

Hertfordshire, AL1

NO JOB TOO BIG OR SMALL.

JAS Housing Developments

From £87,240

Location

Hertfordshire, AL1

JAS Housing Developments is an established and experienced local extension builder in Hertfordshire. Please contact us for a free, no obligation qu...

JGS Building Ltd

From £87,280

Location

Hertfordshire, AL1

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

JGS Building Ltd provides a local, trusted extension bui...

Beswick Building and Renovations LTD

From £87,240

Location

Hertfordshire, AL1

Beswick Building and Renovations LTD is a trusted extension builder serving customers in Hertfordshire and the surrounding area. Contact us to toda...

Property Interior Services

From £87,136

Relax... you have found a reliable extension builder in Hertfordshire. Property Interior Services is a friendly and reliable company based in Hertf...

Designer Shade Solutions

From £87,320

Location

Hertfordshire, AL1

Relax... you have found a reliable extension builder in Hertfordshire. Designer Shade Solutions is a friendly and reliable company based in Hertfor...

IC Builders

From £87,440

Location

Hertfordshire, AL1

IC Builders have been helping customers in St Albans and the surrounding area by providing professional, trustworthy building services.We k...

P & A Doherty

From £87,080

Trusted and professional extension builder in Hertfordshire. Experienced in all extension buildering work and keeping within budget and on quote. P...

DK Home Refurbishment Limited

From £87,144

Relax... you have found a reliable extension builder in Hertfordshire. DK Home Refurbishment Limited is a friendly and reliable company based in He...

Ebro Construction Group

From £87,216

Location

Hertfordshire, AL4

Ebro Construction Group are here to help customers who need an Extension Builder in Hertfordshire. We offer a competitive rate to complete all your...

Granny Annexe Cost in Hertfordshire

Estimates for granny annexe near Hertfordshire

Building a granny annexe ranges from £87,024 (Planson’s Building Services based in AL1) to £87,440 (IC Builders based in AL1), 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 Hertfordshire by posting a job with HaMuch. We will send it to extension builders in Hertfordshire 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 St Albans£63£288
Granny Annexe near Hatfield£64£283
Granny Annexe near Harpenden£86£315
Granny Annexe near Borehamwood£42£270
Granny Annexe near Welwyn Garden City£42£268
Granny Annexe near Hemel Hempstead£42£270
Granny Annexe near Potters Bar£43£273
Granny Annexe near Bushey£42£276
Granny Annexe near Dacorum£42£269
Granny Annexe near Watford£43£278

Estimates for common extension builder jobs in Hertfordshire;

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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