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M & A UK Ltd
Relax... you have found a reliable extension builder in Marleybone. M & A UK Ltd is a friendly and reliable company based in Marleybone who conside...
"Concrete foundation" - W1T, job posted 16/10/25
Reid and Co Developments Ltd
Jay Reid
CK Constructions & Development Ltd
CK Constructions & Development Ltd is a trusted extension builder serving customers in Marleybone and the surrounding area. Contact us to today to ...
A to Z Builders Ltd
A to Z Builders Ltd are here to help customers who need an Extension Builder in Marleybone. We offer a competitive rate to complete all your extens...
JK Doors
JK Doors is a trusted extension builder serving customers in Marleybone and the surrounding area. Contact us to today to get a competitive quote fo...
ELJHANI BUILDING & PROPERTY MANAGEMENT SERVICES LTD
Hussein Eljhani
We are highly professional Builders Company, hones pricing and reliable, we leave all areas clean and tidy.
Buildwiser
Buildwiser is a trusted extension builder serving customers in Marleybone and the surrounding area. Contact us to today to get a competitive quote ...
EUROBUILD PROPERTIES CO LTD
Need to find an Extension Builder near you for all your extension buildering work?
EUROBUILD PROPERTIES CO LTD provides a local, trusted ex...
£45/hr
£282/day
Vyas Design
Need to find an Extension Builder near you for all your extension buildering work?
Vyas Design provides a local, trusted extension builderi...
£41/hr
£253/day
FrontierstroyUK
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
£42/hr
£269/day
plansing
Plansing Ltd
Experience the best architectural design services with PLANSING, where we flawlessly integrate innovative architectural designer products to bring ...
£26/hr
£26/day
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...
£45/hr
£280/day
Homeconcepts
Need to find an Extension Builder near you for all your extension buildering work?
Homeconcepts provides a local, trusted extension builder...
£48/hr
£303/day
Masters Construction UK
Joel Cayless white
20 years experience in high end carpentry, joinery and furniture making
£41/hr
£255/day
NK Living
NK Living is an interior design led design & build company with a passion for reinventing period living spaces for modern lifestyles, whether that ...
£46/hr
£284/day
Bonsai Property Services
Bonsai Property Services are here to help customers who need an Extension Builder in Marleybone. We offer a competitive rate to complete all your e...
£42/hr
£260/day
Azur London
Experienced extension builder ready to quote for your work. Azur London is the best extension builder in Marleybone. No obligation free quotes and ...
£48/hr
£299/day
Reniam Limited
We understand that the appearance of a property not only says something about your home or investment, it could be a deal maker or breaker for that...
£43/hr
£270/day
Duke of Design
Experienced extension builder ready to quote for your work. Duke of Design is the best extension builder in Marleybone. No obligation free quotes a...
£40/hr
£250/day
Duke of Design
Duke of Design are an avant-garde, bright and ingenious design and refurbishment company driven by the intention of creating spaces perfected by de...
Quickly find an Extension Builder in Marleybone
Use these steps to find Extension Builders in Marleybone for FREE!
- Post your job: Click "Get quotes" and briefly describe your job.
- Enter your details: We’ll match you with Extension Builders in Marleybone. We’ll notify you via text or email when an Extension Builder is available to quote.
- Select your Extension Builder: Compare Extension Builders interested in working with you. You can use HaMuch to safely message local Marleybone Extension Builders or phone them directly - you’re in control!
Local Extension Builders in London Boroughs
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 - £26,224

Garden office - £10,224

Granny annexe - £87,224

Build a flat roof extension - £22,224

Convert a Garage - £16,224

Hip to gable loft conversion - £42,224

Convert a bungalow loft - £29,224

Build a dormer loft conversion - £42,224

Build a swimming pool - £81,224

Build a Mansard loft conversion - £52,224

Concrete foundations - £6,474

Underpin a building - £17,724

Two storey extension - £88,336

Convert a basement - £40,020

Side return extension - £44,020

Loft conversion - £35,850

Garage - £18,724

Single storey extension - £59,480

Outbuilding - £10,224

Install an RSJ - £2,424

Build a kitchen extension - £42,224
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