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North London Eco-Friendly Builders

North London's Leading House Extension, Loft Conversion and New Home Builders

We offer a range of building services including house extensions and loft conversions, as well as new home construction in North London and Hertfordshire. Our eco-friendly construction company works under fully insured conditions and with the accreditation of the Federation of Master Builders. Our partnership of skilled building specialist, award-winning architects and accomplished interior designers offers you a hassle-free approach to creating your perfect home.

Hertfordshire New Home Construction

New Home Construction

We provide all the services you will need to build your dream home in London or Hertfordshire - including groundworks, construction, electrical fixes and finishing touches. 

London House Extensions

House Extensions 

Are you thinking of extending your home? At MB Master Builders, we can provide you with all the services if you need a house or kitchen extension in London or Hertfordshire.

London Loft Conversions

Loft Conversions

If a regular house extension is not an option for you due to space constraints, then a loft conversion could be the right solution. We build Velux and dormer loft conversions in North London. 

Request a quote for your home improvement or construction project

As a small eco-friendly construction company, our clients' satisfaction always comes first. Our team of skilled builders will complete every project, whether it's renovation, a house extension, loft conversion or bespoke new home construction, to the highest standards. We are so confident in the quality of our work, that we provide all our client's with a ten to fifteen-year structural warranty. 

We operate across all of North London including Hampstead, Golders Green, Mill Hill, Finchley, Wembley, Edgware, Hendon and Barnet. We also cover parts of Hertfordshire including Elstree, Bushey, Watford, Borehamwood, Potters Bar, Welwyn Garden City and St. Albans. 

Call Us: 0208 200 2327

Portfolio of our recently completed construction projects

Established in London over ten years ago as a house renovation company, MB Master Builders have been growing steadily over the years. During this time, our skilled team has completed many building projects in London and Hertfordshire, including house extensions and new home construction. Below are just a few examples of our work. If you opt to hire us for your next project, you can rest assured that we will deliver results that will exceed your expectations. 

Hertfordshire Large Eco Friendly New Build House

Hertfordshire New Build Luxurious Eco-Friendly House

Hampstead North London Double Storey House Extension

Hampstead Contemporary Two Storey House Extension

Mill Hill, London, Dormer Loft Conversion with En-suite Bedroom

North West London Dormer Loft Conversion

Contact Details

Call Us:  0208 200 2327
Monday - Friday  
9am - 4pm

Our Office

Kingsbury House 
468 Church Lane