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Relax... you have found a reliable extension builder in East Hertfordshire. Up and Out Builds Ltd is a friendly and reliable company based in East ...
Need an Extension Builder in East Hertfordshire? MA Gower has been helping local clients (20 mile radius) with their extension buildering jobs for ...
In an unstable market house extensions are often the most viable option, helping you to get the most out of the space you have without the addition...
Gary Braine
Experienced extension builder ready to quote for your work. G B BUILDSTORE LTD is the best extension builder in East Hertfordshire. No obligation f...
Herts Loft Ltd is an established extension buildering business in East Hertfordshire. We come highly recommended and provide competitive quotes for...
Need to find an Extension Builder near you for all your extension buildering work?
TPJ Building Ltd provides a local, trusted extension bui...
LTM Construction is an established and experienced local extension builder in East Hertfordshire. Please contact us for a free, no obligation quote...
From £87,456
Steve Rolt Home Improvements Ltd was founded in 2016 in Buntingford, Hertfordshire, and from small beginnings, has gone from stren...
From £87,504
WALKERN CONSTRUCTION LIMITED is an established and experienced local extension builder in East Hertfordshire. Please contact us for a free, no obli...
From £86,960
Relax... you have found a reliable extension builder in East Hertfordshire. Interior Installations is a friendly and reliable company based in East...

Building a granny annexe ranges from £86,920 (MA Gower based in AL6) to £87,504 (WALKERN CONSTRUCTION LIMITED based in SG2), 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 East Hertfordshire by posting a job with HaMuch. We will send it to extension builders in East Hertfordshire who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near East Hertfordshire | £44 | £289 |
| Granny Annexe near Ware | £47 | £296 |
| Granny Annexe near Hertford | £46 | £290 |
| Granny Annexe near Stevenage | £44 | £282 |
| Granny Annexe near North Hertfordshire | £44 | £283 |
| Granny Annexe near Welwyn Garden City | £42 | £269 |
| Granny Annexe near Hoddesdon | £46 | £296 |
| Granny Annexe near Hitchin | £43 | £283 |
| Granny Annexe near Letchworth | £44 | £283 |
| Granny Annexe near Bishop's Stortford | £42 | £264 |
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.

Underpin a building - £17,706

Two storey extension - £88,310

Build a timber frame extension - £26,206

Build a swimming pool - £81,206

Single storey extension - £59,128

Side return extension - £43,822

Install an RSJ - £2,406

Outbuilding - £10,206

Build a Mansard loft conversion - £52,206

Loft conversion - £35,685

Build a kitchen extension - £42,206

Hip to gable loft conversion - £42,206

Granny annexe - £87,206

Garden office - £10,206

Convert a Garage - £16,206

Garage - £18,706

Build a flat roof extension - £22,206

Build a dormer loft conversion - £42,206

Concrete foundations - £6,456

Convert a bungalow loft - £29,206

Convert a basement - £39,822