Build a single storey extension in E18 from £52,440

HaMuch is Excellent
Trustpilot

Single storey extension cost in E18 - Sort by rates or availability

From £59,480

(last active 22/09/26)
Get quotes

S Cooke Building Services

Stuart Cooke

Location

Woodford Green, IG8

S Cooke Building Services is an established and experienced local extension builder in E18. Please contact us for a free, no obligation quote and c...

From £62,360

(last active 01/09/26)
Get quotes

ASV Development Ltd

Location

Ilford, IG1

ASV Development Ltd are here to help customers who need an Extension Builder in E18. We offer a competitive rate to complete all your extension bui...

From £58,040

(last active 13/08/26)
Get quotes

UK Drywall Ltd

Location

Leytonstone, E11

UK Drywall Ltd is an established and experienced local extension builder in E18. Please contact us for a free, no obligation quote and competitive ...

From £52,440

(last active 13/08/26)
Get quotes

Dragan Building Construction

Location

Leyton London, E10

Need to find an Extension Builder near you for all your extension buildering work?

Dragan Building Construction provides a local, trusted e...

From £81,240

(last active 25/07/26)
Get quotes

Iservices-uk.org

Ilirjan Sheqja

Location

Walthamstow, E17

Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

From £60,120

(last active 10/06/26)
Get quotes

KJ Darby Building Contracts Ltd

Location

Woodford Green, IG8

KJ Darby Building Contracts Ltd is an established and experienced local extension builder in E18. Please contact us for a free, no obligation quote...

From £57,560

(last active 10/06/26)
Get quotes

Expert Crew Ltd

Location

Walthamstow, E17

Expert Crew Ltd is an established and experienced local extension builder in E18. Please contact us for a free, no obligation quote and competitive...

From £53,400

Get quotes

CHRIS BUILDER

Location

Walthamstow, E17

CHRIS BUILDER is an established and experienced local extension builder in E18. Please contact us for a free, no obligation quote and competitive r...

From £62,680

Get quotes

Concept Building Solutions

Location

Woodford Green, IG8

Concept Building Solutions is a trusted extension builder serving customers in E18 and the surrounding area. Contact us to today to get a competiti...

From £52,440

Get quotes

M & D BUILDING & DECORATING

Location

Walthamstow, E17

M & D BUILDING & DECORATING are here to help customers who need an Extension Builder in E18. We offer a competitive rate to complete all your exten...

Extension builder estimates (based on hourly rates) to build a single storey extension in E18

Estimates for single storey extension near E18

Get extension builder rates instantly

Get extension builder rates instantly
Borough in London
Single Storey Extension in Woodford
Single Storey Extension in Woodford Green
Single Storey Extension in Redbridge
Single Storey Extension in Clayhill
Single Storey Extension in Leytonstone
Single Storey Extension in Walthamstow
Single Storey Extension in Loughton
Single Storey Extension in Leyton
Single Storey Extension in Chingford
Single Storey Extension in Gants Hill

Estimates for common extension builder jobs in E18;

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

Underpin a building - £17,749

Two storey extension

Two storey extension - £88,373

Build a timber frame extension

Build a timber frame extension - £26,249

Build a swimming pool

Build a swimming pool - £81,249

Single storey extension

Single storey extension - £59,976

Side return extension

Side return extension - £44,299

Install an RSJ

Install an RSJ - £2,449

Outbuilding

Outbuilding - £10,249

Build a Mansard loft conversion

Build a Mansard loft conversion - £52,249

Loft conversion

Loft conversion - £36,083

Build a kitchen extension

Build a kitchen extension - £42,249

Hip to gable loft conversion

Hip to gable loft conversion - £42,249

Granny annexe

Granny annexe - £87,249

Garden office

Garden office - £10,249

Convert a Garage

Convert a Garage - £16,249

Garage

Garage - £18,749

Build a flat roof extension

Build a flat roof extension - £22,249

Build a dormer loft conversion

Build a dormer loft conversion - £42,249

Concrete foundations

Concrete foundations - £6,499

Convert a bungalow loft

Convert a bungalow loft - £29,249

Convert a basement

Convert a basement - £40,299

More extensions & conversions cost guides...