Build additional living space on your property in Hertford

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 Hertford? To see prices and availability for your job click green button.

HaMuch is Excellent

How HaMuch saves you money

Post your job for free

Post your job for free

We send your job to ALL Hertford extension builders

Compare quotes

Compare quotes

Available extension builders in Hertford reply

Save Money

Save Money

Select your affordable Hertford extension builder

Post your job

From £87,408

Last active Oct 26
Get quotes

Jon Howard Construction Ltd

Jon Howard Construction Ltd is a trusted extension builder serving customers in Hertford and the surrounding area. Contact us to today to get a com...

From £87,456

Last active Oct 26
Get quotes

Up and Out Builds Ltd

Relax... you have found a reliable extension builder in Hertford. Up and Out Builds Ltd is a friendly and reliable company based in Hertford who co...

From £87,344

Last active Oct 26
Get quotes

Roberts & Co

Roberts & Co is a family run business est.2009. We specialize in Kitchen extensions and Loft conversions, and cover Hertfordshire, Essex and Greate...

From £86,968

Last active Oct 26
Get quotes

A S G Developments - Herts LTD

Amarjeet Gill

Architecture and Construction all in one place. 

FREE DRAWINGS for all projects we build. 

From £87,232

Last active Oct 26
Get quotes

Buyerz Trading

Buyerz Trading is an established and experienced local extension builder in Hertford. Please contact us for a free, no obligation quote and competi...

From £86,864

Last active Oct 26
Get quotes

Advance Construction Solutions

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

From £87,072

Last active Oct 26
Get quotes

A1 Home Care Building Maintenance

A1 Home Care Building Maintenance are here to help customers who need an Extension Builder in Hertford. We offer a competitive rate to complete all...

From £86,920

Last active Jul 26
Get quotes

MA Gower

Need an Extension Builder in Hertford? MA Gower has been helping local clients (20 mile radius) with their extension buildering jobs for many years...

From £88,560

Last active Jun 26
Get quotes

Flamstead Building Services Ltd

Ilir/leo Shkembi

Dear All, I’m a plumber and heating  engineer, I have  access to all other trades guys that are willing to work long hours and at the weekends ...

From £87,384

Last active Jun 26
Get quotes

IMS Building Services

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

Granny Annexe Cost in Hertford

Estimates for granny annexe near Hertford

Building a granny annexe ranges from £86,864 (Advance Construction Solutions based in EN6) to £88,560 (Flamstead Building Services Ltd based in EN8), 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 Hertford by posting a job with HaMuch. We will send it to extension builders in Hertford 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 Hertford£46£290
Granny Annexe near Ware£47£296
Granny Annexe near Welwyn Garden City£42£269
Granny Annexe near Hoddesdon£46£296
Granny Annexe near East Hertfordshire£44£289
Granny Annexe near Hatfield£42£266
Granny Annexe near Cheshunt£48£285
Granny Annexe near Potters Bar£43£273
Granny Annexe near Stevenage£44£282
Granny Annexe near Harlow£43£288

Estimates for common extension builder jobs in Hertford;

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...