About Us

MJ Kloss Carpentry & Joinery is the woodworking arm of the largest domestic painting and decorating company in London, MJ Kloss Painting and Decorating Ltd, which has been operating in London since 1975.

Whatever you require in your home, MJ Kloss Carpentry & Joinery provides the same friendly, professional finish that our company has become known for in London for many years.

We work with carpentry of every kind, from bespoke fitted furniture to hardwood flooring, wood panelling or fresh new doors. Our exterior services include but is not limited to building you an outside office, decking, a bespoke shed, as well as cladding and garden structures.

In the decades of being in people’s homes, it became clear that cleanliness, pleasantness, reliability and a professional finish are what matters. We invite you to give us a try and get a free quote from one of our friendly, professional estimators.

Darren Kloss
Darren Kloss has worked in an executive management position, finance as well as the building trade over the last two decades and has now joined MJ Kloss to run this exciting new project.
Maarten Graziano

Maarten Graziano has been a professional carpenter for over 20 years, working in and around Sussex.

Give us a call

At MJ Kloss Carpentry & Joinery we are always available to answer any question or query about your home project, big or small. Our phone lines are open from 8:30am to 4:00pm weekdays. We hope to hear from you soon.

Tell us about your project

We want to know exactly what you need so we can review the best way to accomplish what you have envisioned. Send us your requirements and we will schedule in a visit to provide a professional personalised quote.

"I have used them for many different projects, some large some small. Whatever the job was it was done with a great level of professionalism and competence. I have recommended them to many friends and will continue to do so. Highly recommended, and you won’t be disappointed."


“Brilliant and impeccable work, with attention to detail. The whole process was a joy and the carpenter did exactly what he said he would do. I would recommend and use them again on the next project."


"Highly recommend, having done a number of jobs for me and always completing on schedule and in budget. There was good communication and the carpenter worked hard. I wouldn’t hesitate to recommend or hire them again."


"We have been working with Maarten and his team for over a year now and his work has been varied, from rebuilding complicated oak windows to fine work on decorative lamps. They have been extremely skilled and artistic, able to advise on aesthetics and produce very detailed and intricate work. Highly recommended!"

J. & S.B.

"Very solution orientated and professional in doing my loft conversion, the final product looks amazing and nicely increased the value of my property. Great to find a reliable crew that I can use over and over again. Thanks for all the work done! "