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SC General Builders Ltd
SC General Builders Ltd are here to help customers who need an Extension Builder in Waltham Cross. We offer a competitive rate to complete all your...
"Rear dormer loft extension to provide 2 bedrooms and 1 shower room on a semi-detached property in Enfield." - EN2, job posted 15/07/25
ANGLE BUILDERS
ANGLE BUILDERS is an established and experienced local extension builder in Waltham Cross. Please contact us for a free, no obligation quote and co...
"Rear dormer loft extension to provide 2 bedrooms and 1 shower room on a semi-detached property in Enfield" - EN2, job posted 15/07/25
Propello
Ali Alagoz
Propello is an established and experienced local extension builder in Waltham Cross. Please contact us for a free, no obligation quote and competi...
"Single storey extension" - EPPING FOREST, job posted 07/07/25
Rafix Building
Rafal Szczepanski
Our homes need to be regularly maintained and from time to time they need to be rejuvenated, modernised and enhanced. When it comes to building wor...
"Granny annexe" - EN3, job posted 08/03/25
Nouvell Decor
Mark Garnett
Nouvell Decor is a trusted extension builder serving customers in Waltham Cross and the surrounding area. Contact us to today to get a competitive ...
"Loft conversion" - EN7, job posted 03/04/24
Jon Howard Construction Ltd
Jon Howard Construction Ltd is a trusted extension builder serving customers in Waltham Cross and the surrounding area. Contact us to today to get ...
"Loft conversion" - E4, job posted 29/12/23
Essex loft extensions Ltd
Colin
We are small building company working for the residential and domestic properties? We work on all types of buildings creating Loft conversion and H...
"Loft extension and ground floor extension" - EN2, job posted 04/12/23
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...
"Groundworkers construction" - N9, job posted 06/09/23
2nwest Builders and Decorators Ltd
Relax... you have found a reliable extension builder in Waltham Cross. 2nwest Builders and Decorators Ltd is a friendly and reliable company based ...
Dakus Construction Ltd
Dakus Construction Ltd are here to help customers who need an Extension Builder in Waltham Cross. We offer a competitive rate to complete all your ...
Bellator Construction Ltd
Dimitar Vakavliev
We are reliable tradesmen delivering quality works with attention to detail
WT Construction Service Ltd
Need the extension buildering job done quickly without breaking the bank? WT Construction Service Ltd offer fast, reliable, and affordable extensio...
M & D BUILDING & DECORATING
M & D BUILDING & DECORATING are here to help customers who need an Extension Builder in Waltham Cross. We offer a competitive rate to complete all ...
MEGABUILD LTD
MEGABUILD LTD is a trusted extension builder serving customers in Waltham Cross and the surrounding area. Contact us to today to get a competitive ...
John Ghanie
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
New Finishes
New Finishes is a trusted extension builder serving customers in Waltham Cross and the surrounding area. Contact us to today to get a competitive q...
Pavillion Building Services
Relax... you have found a reliable extension builder in Waltham Cross. Pavillion Building Services is a friendly and reliable company based in Walt...
DW Building
DW Building is a trusted extension builder serving customers in Waltham Cross and the surrounding area. Contact us to today to get a competitive qu...
Homeland Building Ltd
Homeland Building Ltd is a trusted extension builder serving customers in Waltham Cross and the surrounding area. Contact us to today to get a comp...
Colin Lynch Builders
Need an Extension Builder in Waltham Cross? Colin Lynch Builders has been helping local clients (10 mile radius) with their extension buildering jo...
Compare Waltham Cross extension builders rates
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Extension Builders near Cheshunt | £48 | £285 |
| Extension Builders near Epping Forest | £44 | £274 |
| Extension Builders near Hoddesdon | £46 | £296 |
| Extension Builders near Loughton | £44 | £273 |
| Extension Builders near Potters Bar | £43 | £273 |
| Extension Builders near High Barnet | £43 | £272 |
| Extension Builders near Walthamstow | £45 | £278 |
| Extension Builders near Hertford | £46 | £290 |
| Extension Builders near Ware | £47 | £296 |
| Extension Builders near Muswell Hill | £44 | £273 |
Job estimates from extension builders near you
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.

Build a timber frame extension - £26,232

Garden office - £10,232

Granny annexe - £87,232

Build a flat roof extension - £22,232

Convert a Garage - £16,232

Hip to gable loft conversion - £42,232

Convert a bungalow loft - £29,232

Build a dormer loft conversion - £42,232

Build a swimming pool - £81,232

Build a Mansard loft conversion - £52,232

Concrete foundations - £6,482

Underpin a building - £17,732

Two storey extension - £88,348

Convert a basement - £40,110

Side return extension - £44,110

Loft conversion - £35,925

Garage - £18,732

Single storey extension - £59,640

Outbuilding - £10,232

Install an RSJ - £2,432

Build a kitchen extension - £42,232
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