Amarjeet Gill
Architecture and Construction all in one place.
FREE DRAWINGS for all projects we build.
Buyerz Trading is an established and experienced local extension builder in Hertford. Please contact us for a free, no obligation quote and competi...
Trusted and professional extension builder in Hertford. Experienced in all extension buildering work and keeping within budget and on quote. Advanc...
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...
Need an Extension Builder in Hertford? MA Gower has been helping local clients (20 mile radius) with their extension buildering jobs for many years...
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 ...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
J G BUILDING SERVICES is a trusted extension builder serving customers in Hertford and the surrounding area. Contact us to today to get a competiti...
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...
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...

Costs range from £87,796 (Advance Construction Solutions based in EN6) to £90,340 (Flamstead Building Services Ltd based in EN8), but these are just estimates. The best way to compare costs is to get real quotes from real builders.
Post your job on HaMuch and we'll send it to extension builders to Hertford.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Two Storey Extension near Hertford | £46 | £290 |
| Two Storey Extension near Ware | £47 | £296 |
| Two Storey Extension near Welwyn Garden City | £42 | £269 |
| Two Storey Extension near Hoddesdon | £46 | £296 |
| Two Storey Extension near East Hertfordshire | £44 | £289 |
| Two Storey Extension near Hatfield | £65 | £285 |
| Two Storey Extension near Cheshunt | £48 | £285 |
| Two Storey Extension near Potters Bar | £43 | £273 |
| Two Storey Extension near Stevenage | £44 | £282 |
| Two Storey Extension near Harlow | £43 | £288 |
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 - £17,751

Two storey extension - £88,377

Build a timber frame extension - £26,251

Build a swimming pool - £81,251

Single storey extension - £60,024

Side return extension - £44,326

Install an RSJ - £2,451

Outbuilding - £10,251

Build a Mansard loft conversion - £52,251

Loft conversion - £36,105

Build a kitchen extension - £42,251

Hip to gable loft conversion - £42,251

Granny annexe - £87,251

Garden office - £10,251

Convert a Garage - £16,251

Garage - £18,751

Build a flat roof extension - £22,251

Build a dormer loft conversion - £42,251

Concrete foundations - £6,501

Convert a bungalow loft - £29,251

Convert a basement - £40,326