We are a small and friendly residential Design & Build contractor specialising in extensions, refurbishments in South London.. We passionately believe that by taking the time to understand your requirements and budget we offer the best possible results for you and your home. We are a committed and trusted team who take pride in the attention to detail required to deliver your project to the highest standard. By combining our experience and expertise we put your needs and your budget first.

We believe that transparency and good communication from the outset allow you to make informed choices with realistic expectations about how to get the most from your resources. Our in-house design services range from drawing and submitting your planning application, obtaining structural calculations for Building Regulations approval, right through to 3D modelling of the design to help you visualise life in your new home. We provide a friendly, professional and personal service to help support and guide you through the entire process. From concept to delivery we are at all times working to help you get the most from your home.

Trades offered

Builder general
General extension
Loft conversions
Carpenter and Joiner
General carpentry
House Builder
New build
Custom/Self Build
Loft insulation
External wall insulation
Internal wall insulation
Listed Buildings/Heritage
Listed Buildings specialist

Case studies

SW16 Energy efficiency upgrade and full refurbishment

  • 14 Dec 2020
  • Sw16 1le

Kitchen extension and refurbishment BR3

  • 26 Feb 2018

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FMB award winner

London Sustainability Award
London Sustainability Award

London Large Renovation Project
London Large Renovation Project

Customer testimonials

12 Sep 2019

Earl & Calam Builders built us a new kitchen diner, which included gutting what used to be there, taking down a wall, some structural work and a full refit. Their work was of a very high standard from the start. Nik made sure the plans were as slick and smart as they could be, maximising space and creating nice long lines. They paid excellent attention to detail. Nothing was too much trouble and communication was easy throughout. And the team were very nice to have in the house: friendly, trustworthy and helpful. We highly recommend them! - Charlotte

South West London

01 Jul 2019

Earl and Calam did a really nice job on our renovation. Nik spent a lot of time at the start taking us through different options and had some great ideas. The team looked after our property well and lent us an oven while our kitchen was out of action, which was very helpful. The work came in on budget and was of a very high quality - we were really happy with the outcome. Communications could have been better and times and the work took twice as long as initially due to reduced manpower. However we were on a particularly tight timetable and most of it was done by the expected end date. We’d recommend Earl and Calam for renovations, particularly if you want the personal touch. - Sacha and Louise


01 Jul 2019

E&C's attention to detail is fantastic and will talk you through any decisions carefully. We were particularly impressed with the design process, their thinking through of tricky problems and one particular design alteration mid-build, which had a marginal cost increase but transformational in appearance. Clients are not going to discover disastrous things happening after the event. There are also no nasty budget surprises during the build. And if that means it's a bit slow - then that's a fair pay-off. Having builders in the house for months is a traumatic experience. E&C really do minimize that pain and are completely trustworthy. - Matthew and Dima


13 Jun 2018

From the moment we met Nik and his team we knew they would succeed in giving us the perfect family kitchen. By no means a straight forward build - involving a lot of structural work and correcting some nasty hidden surprises, with great attention to detail and a real enthusiasm for design we were extremely happy with the service we received and will definitely use them again for our next project! - Mrs English


26 Feb 2018

Great workmanship and came in on budget. The team were very professional and happy to help. Nothing was too much bother. Very happy with the end result. - Nicola

South West London

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