Find affordable WC1N extension builders now

Extension builders rates in WC1N range from £26/hour £26/day (London Design And Build ) to £83/hour £508/day (Q Lofts and Extensions ). To see prices and availability now for your job click green button.

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£43/hr

£274/day

Last active Nov 26

1 review

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Torrington

Torrington Design

NIECEIC / NAAPIT GASSAFE WATER REGULATIONS We offer services towards completion of high end construction projects to dis...

"Did callout made safe my elctrical work thanks" - reviewed 16/05/23, REECYRUSSO

£43/hr

£253/day

Last active Nov 26
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SH Enterprise

Need the extension buildering job done quickly without breaking the bank? SH Enterprise offer fast, reliable, and affordable extension buildering s...

"Underpin a building" - N7, job posted 23/08/26

£47/hr

£297/day

Last active Sep 26
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CK Constructions & Development Ltd

Location

Russell Square, WC1N

CK Constructions & Development Ltd is a trusted extension builder serving customers in WC1N and the surrounding area. Contact us to today to get a ...

"Concrete foundation" - W1T, job posted 16/10/25

£39/hr

£247/day

Last active Sep 26
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A to Z Builders Ltd

A to Z Builders Ltd are here to help customers who need an Extension Builder in WC1N. We offer a competitive rate to complete all your extension bu...

£39/hr

£248/day

Last active Sep 26
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JK Doors

JK Doors is a trusted extension builder serving customers in WC1N and the surrounding area. Contact us to today to get a competitive quote for exte...

£40/hr

£255/day

Last active Sep 26
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JM Building Services

JM Building Services is a trusted extension builder serving customers in WC1N and the surrounding area. Contact us to today to get a competitive qu...

£44/hr

£277/day

Last active Aug 26
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Buildwiser

Buildwiser is a trusted extension builder serving customers in WC1N and the surrounding area. Contact us to today to get a competitive quote for ex...

£83/hr

£508/day

Last active Nov 25
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Q Lofts and Extensions

Anthony Sullivan

We build Lofts. We build Extensions. We undertake conversions. Our Terms and conditions apply as shown in our starter packs.

£42/hr

£269/day

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plansing

Plansing Ltd

Experience the best architectural design services with PLANSING, where we flawlessly integrate innovative architectural designer products to bring ...

£41/hr

£255/day

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TOP CONSTRUCTION

TOP CONSTRUCTION is an established extension buildering business in WC1N. We come highly recommended and provide competitive quotes for your work.<...

£26/hr

£26/day

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London Design And Build

London Design And Build

Here at London Design and Build, our team of architects, interior designers, structural engineers and contractors, offer a bespoke, turn-key servic...

£48/hr

£303/day

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Masters Construction UK

Joel Cayless white

20 years experience in high end carpentry, joinery and furniture making

£50/hr

£309/day

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Longland Construction

Location

Greater London, WC1N

Longland Construction LTD is a high end refurbishment contractor and sub contractor company in London and surrounding areas. Woodwork, painting and...

£48/hr

£300/day

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FLAVIA CONDE

FLAVIA CONDE is an established and experienced local extension builder in WC1N. Please contact us for a free, no obligation quote and competitive r...

£44/hr

£273/day

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Pacho Build Ltd

Location

Greater London, WC1N

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

Pacho Build Ltd provides a local, trusted extension buil...

£39/hr

£243/day

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Otto & Mensah Build

Relax... you have found a reliable extension builder in WC1N. Otto & Mensah Build is a friendly and reliable company based in WC1N who consider no ...

£40/hr

£252/day

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TipTop Joinery & Build

TipTop Joinery & Build is a trusted extension builder serving customers in WC1N and the surrounding area. Contact us to today to get a competitive ...

£50/hr

£313/day

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Citygate

CityGate Homes specialises in full refurbishment projects and interior design services. We offer fully integrated services spanning the entire scop...

£42/hr

£262/day

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Gil Construction Ltd

We offer many services in both residential and commercial settings including:BathroomsBuilding & RenovationDecking & PavingDemolitionDoor Installat...

£42/hr

£260/day

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Whitehorse Build London

Whitehorse Build London offers a full management service running each project from design through to completion, removing many of the hassle associ...

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  1. Post your job: Click "Get quotes" and briefly describe your job.
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  3. Select your Extension Builder: Compare Extension Builders  interested in working with you. You can use HaMuch to safely message local WC1N Extension Builders or phone them directly - you’re in control!

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.

More extensions & conversions cost guides...

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