From £88,804
Are you looking for resin driveways in North London? We are a leading builder of driveways and patios in North London. We have expertise in various...
From £88,324
Ebro Construction Group are here to help customers who need an Extension Builder in AL4. We offer a competitive rate to complete all your extension...
From £88,792
Billy Homan set up Grain Property to provide high-quality design, seamless project delivery, and a commitment to excellent communication throughout...
From £88,348
Buyerz Trading is an established and experienced local extension builder in AL4. Please contact us for a free, no obligation quote and competitive ...
From £88,036
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...
From £87,976
Abalon is Western Canada’s leading foundation repair and basement waterproofing company, operating in the Edmonton area for over 40 years (50 yea...
From £88,720
Building services company Renospace was established in 2000. Since then we have been helping customers in Hertfordshire and the surrounding area by...
From £88,108
A1 Home Care Building Maintenance are here to help customers who need an Extension Builder in AL4. We offer a competitive rate to complete all your...
From £88,324
VALLEYCREST CONSTRUCTION LTD is a trusted extension builder serving customers in AL4 and the surrounding area. Contact us to today to get a competi...

Costs range from £87,976 (Abalon Construction based in ZZ99) to £88,804 (R. Newman Construction based in AL4), 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 AL4.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Two Storey Extension near St Albans | £63 | £288 |
| Two Storey Extension near Hatfield | £64 | £283 |
| Two Storey Extension near Harpenden | £86 | £315 |
| Two Storey Extension near Welwyn Garden City | £42 | £268 |
| Two Storey Extension near Potters Bar | £43 | £273 |
| Two Storey Extension near Borehamwood | £42 | £270 |
| Two Storey Extension near Hemel Hempstead | £42 | £270 |
| Two Storey Extension near Dacorum | £42 | £269 |
| Two Storey Extension near Bushey | £42 | £276 |
| Two Storey Extension near Hertford | £46 | £289 |
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 - £17,731

Two storey extension - £88,347

Build a timber frame extension - £26,231

Build a swimming pool - £81,231

Single storey extension - £59,624

Side return extension - £44,101

Install an RSJ - £2,431

Outbuilding - £10,231

Build a Mansard loft conversion - £52,231

Loft conversion - £35,918

Build a kitchen extension - £42,231

Hip to gable loft conversion - £42,231

Granny annexe - £87,231

Garden office - £10,231

Convert a Garage - £16,231

Garage - £18,731

Build a flat roof extension - £22,231

Build a dormer loft conversion - £42,231

Concrete foundations - £6,481

Convert a bungalow loft - £29,231

Convert a basement - £40,101