Build a single storey extension in KT7 from £56,440

HaMuch is Excellent
Trustpilot

Single storey extension cost in KT7 - Sort by rates or availability

From £64,120

(last active 04/10/26)
Get quotes

Albdeco Builders & Decorators Ltd

Location

Kingston upon thames, KT1

Albdeco Builders & Decorators Ltd is a trusted extension builder serving customers in KT7 and the surrounding area. Contact us to today to get a co...

From £58,360

(last active 09/07/26)
Get quotes

Leith All Building & Decorating

Location

Surbito, KT5

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

Leith All Building & Decorating provides a local, truste...

From £56,440

(last active 13/05/26)
Get quotes

P L CONTRACTORS DESIGN & BUILD

Location

Kingston Upon Thames, KT1

P L CONTRACTORS DESIGN & BUILD is a trusted extension builder serving customers in KT7 and the surrounding area. Contact us to today to get a compe...

From £57,240

(last active 02/05/26)
Get quotes

Eminent Property Solutions

Location

Long Ditton, KT6

Trusted and professional extension builder in KT7. Experienced in all extension buildering work and keeping within budget and on quote. Eminent Pro...

From £62,040

(last active 01/05/26)
Get quotes

Matstone Projects Limited

Location

Greater London, KT6

We are a London based Design & Build construction company offering the following :Property Extensions and Major RenovationsBespoke Kitchens - Desig...

From £59,160

(last active 10/02/26)
Get quotes

MAGNAT KITCHENS LTD

Tomasz Oszajca

Location

West Molesey, KT8

Trusted and professional extension builder in KT7. Experienced in all extension buildering work and keeping within budget and on quote. MAGNAT KITC...

From £62,040

Get quotes

SURREY BUILDING SOLUTIONS

Location

Kingston Upon Thames, KT1

SURREY BUILDING SOLUTIONS are here to help customers who need an Extension Builder in KT7. We offer a competitive rate to complete all your extensi...

From £63,160

Get quotes

Curtis Conversions Ltd

Location

Esher Surrey, KT10

Curtis Conversions Ltd is an established and experienced local extension builder in KT7. Please contact us for a free, no obligation quote and comp...

From £65,080

Get quotes

V&Co.

Location

Surrey, KT6

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

V&Co. provides a local, trusted extension buildering ser...

From £61,400

Get quotes

AB Construction & Maintenance

Location

Surrey, KT6

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

Extension builder estimates (based on hourly rates) to build a single storey extension in KT7

Estimates for single storey extension near KT7

Get extension builder rates instantly

Get extension builder rates instantly
Borough in London
Single Storey Extension in Thames Ditton
Single Storey Extension in Long Ditton
Single Storey Extension in West Molesey
Single Storey Extension in Surbiton
Single Storey Extension in Kingston Upon Thames
Single Storey Extension in Richmond Upon Thames
Single Storey Extension in Esher
Single Storey Extension in Chessington
Single Storey Extension in Coombe
Single Storey Extension in Teddington

Estimates for common extension builder jobs in KT7;

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 - £17,795

Two storey extension

Two storey extension - £88,443

Build a timber frame extension

Build a timber frame extension - £26,295

Build a swimming pool

Build a swimming pool - £81,295

Single storey extension

Single storey extension - £60,904

Side return extension

Side return extension - £44,821

Install an RSJ

Install an RSJ - £2,495

Outbuilding

Outbuilding - £10,295

Build a Mansard loft conversion

Build a Mansard loft conversion - £52,295

Loft conversion

Loft conversion - £36,518

Build a kitchen extension

Build a kitchen extension - £42,295

Hip to gable loft conversion

Hip to gable loft conversion - £42,295

Granny annexe

Granny annexe - £87,295

Garden office

Garden office - £10,295

Convert a Garage

Convert a Garage - £16,295

Garage

Garage - £18,795

Build a flat roof extension

Build a flat roof extension - £22,295

Build a dormer loft conversion

Build a dormer loft conversion - £42,295

Concrete foundations

Concrete foundations - £6,545

Convert a bungalow loft

Convert a bungalow loft - £29,295

Convert a basement

Convert a basement - £40,821

More extensions & conversions cost guides...