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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.

North London and Hertfordshire New Home Construction

New Home Construction

We provide all the services you will need to build your dream home - including structural drawings, site preparation, construction, plumbing and electrical work and completion.

North London and Hertfordshire House Extensions

House Extensions 

Have you ever thought about extending your living space? At MB Master Builders, we can provide you with all the services if you need a house extension in London or Hertfordshire.

North London and Hertfordshire Loft Conversions

Loft Conversions

If a regular house extension is not an option for you due to space constraints or planning permission issues, you could consider having a velux or dormer loft conversion built instead. 

What makes us different from other construction companies in London

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-year structural warranty. If there is an issues with any part of our work, we will fix it free of charge.

We operate across all of North and North West London including Kensington, Camden, Hampstead, Wembley, Finchley, Mill Hill, Edgware and Barnet. We also cover parts of Hertfordshire including Bushey, Watford, Borehamwood, Welwyn Garden City and St. Albans. 

Call Us: 0208 200 2327
office@mbmasterbuilders.co.uk

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
office@mbmasterbuilders.co.uk
Monday - Friday  
9am - 4pm

Our Office

Kingsbury House 
468 Church Lane
NW9 8UA