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Select your affordable North Hertfordshire extension builder
Need an Extension Builder in North Hertfordshire? R&J Building Services Ltd has been helping local clients (20 mile radius) with their extension bu...
Experienced extension builder ready to quote for your work. HB Construction is the best extension builder in North Hertfordshire. No obligation fre...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Trusted and professional extension builder in North Hertfordshire. Experienced in all extension buildering work and keeping within budget and on qu...
Need an Extension Builder in North Hertfordshire? MA Gower has been helping local clients (20 mile radius) with their extension buildering jobs for...
Need an Extension Builder in North Hertfordshire? WILLMOTT DIXON CONSTRUCTION LI has been helping local clients (20 mile radius) with their extensi...
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 North Hertfordshire. No obligation ...
Need to find an Extension Builder near you for all your extension buildering work?
TPJ Building Ltd provides a local, trusted extension bui...
Need an Extension Builder in North Hertfordshire? M SPINDLER CONSTRUCTION LTD has been helping local clients (20 mile radius) with their extension ...

Comparing extension builders estimates for Side return extension gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
What to do - Get rates and quotes for a side return extention by posting your job to extension builders in North Hertfordshire.
"Side return extension" - SG4, job posted 03/01/26
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Side Return Extension near North Hertfordshire | £44 | £283 |
| Side Return Extension near Letchworth | £44 | £283 |
| Side Return Extension near Hitchin | £43 | £283 |
| Side Return Extension near Stevenage | £44 | £282 |
| Side Return Extension near East Hertfordshire | £44 | £289 |
| Side Return Extension near Biggleswade | £41 | £268 |
| Side Return Extension near Luton | £42 | £279 |
| Side Return Extension near Mid Bedfordshire | £42 | £276 |
| Side Return Extension near Welwyn Garden City | £42 | £269 |
| Side Return Extension near Harpenden | £45 | £282 |
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 - £17,636

Two storey extension - £88,204

Build a timber frame extension - £26,136

Build a swimming pool - £81,136

Single storey extension - £57,720

Side return extension - £43,030

Install an RSJ - £2,336

Outbuilding - £10,136

Build a Mansard loft conversion - £52,136

Loft conversion - £35,025

Build a kitchen extension - £42,136

Hip to gable loft conversion - £42,136

Granny annexe - £87,136

Garden office - £10,136

Convert a Garage - £16,136

Garage - £18,636

Build a flat roof extension - £22,136

Build a dormer loft conversion - £42,136

Concrete foundations - £6,386

Convert a bungalow loft - £29,136

Convert a basement - £39,030