From £88,264
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £88,480
Essex Elite Services is a trusted extension builder serving customers in CM14 and the surrounding area. Contact us to today to get a competitive qu...
From £88,144
Renov8 Create are here to help customers who need an Extension Builder in CM14. We offer a competitive rate to complete all your extension builderi...
From £88,300
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 £88,408
Our building services company Harris Murray Carpentry & Building Ltd has been helping customers in Brentwood, Billericay, and Essex by providing pr...
From £88,660
Bush Builders are a domestic building contracting firm which is based in Upminster, Essex. Covering all of Essex, London and the surrounding areas....
From £88,036
Need to find an Extension Builder near you for all your extension buildering work?
D Weaver Builders Ltd provides a local, trusted extensio...
From £88,180
We offer good standard and professional services, with competitive prices and long warrantees
From £88,264
Experienced extension builder ready to quote for your work. PMD Construction is the best extension builder in CM14. No obligation free quotes and m...
From £87,856
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 £87,856 (Line Up Brickwork Ltd based in CM13) to £88,660 (Bush Builders based in CM14), 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 CM14.
"Cost regarding: Two storey extension. Currently we have a side garage, we wish to demolish this and build a two story extension. Property is semi detached and post code is RM2 5JX Please note, this property falls in the havering council Conservation area zone. Please if you can assist us..." - RM2
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Two Storey Extension near Brentwood | £34 | £225 |
| Two Storey Extension near Romford | £39 | £237 |
| Two Storey Extension near Billericay | £34 | £219 |
| Two Storey Extension near South Ockendon | £51 | £242 |
| Two Storey Extension near Basildon | £34 | £220 |
| Two Storey Extension near Chafford Hundred | £36 | £227 |
| Two Storey Extension near Thurrock | £36 | £227 |
| Two Storey Extension near Stanford-le-Hope | £35 | £222 |
| Two Storey Extension near Grays | £36 | £226 |
| Two Storey Extension near Loughton | £38 | £238 |
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 - £17,673

Two storey extension - £88,259

Build a timber frame extension - £26,173

Build a swimming pool - £81,173

Single storey extension - £58,456

Side return extension - £43,444

Install an RSJ - £2,373

Outbuilding - £10,173

Build a Mansard loft conversion - £52,173

Loft conversion - £35,370

Build a kitchen extension - £42,173

Hip to gable loft conversion - £42,173

Granny annexe - £87,173

Garden office - £10,173

Convert a Garage - £16,173

Garage - £18,673

Build a flat roof extension - £22,173

Build a dormer loft conversion - £42,173

Concrete foundations - £6,423

Convert a bungalow loft - £29,173

Convert a basement - £39,444