MJ Kloss Carpentry & Joinery

Your ideas crafted with precision and detail.

Welcome to MJ Kloss Carpentry & Joinery

MJ Kloss has been a trusted name in home improvement in London & the Home Counties for over 45 years. We are a team of professional, local carpenters and joiners offering all carpentry and joinery services – for both residential and commercial customers.

We are experienced in working with both residential and commercial customers on jobs of every kind. The focus of MJ Kloss Carpentry & Joinery is cleanliness, pleasantness, reliability and a professional finish.

Fully Insured

We are fully insured for public / products liability up to £2 million cover and employers liability up to £10 million


Accredited by the The Guild of Master Craftsmen, The Federation of Master Builders & vetted by Checkatrade

2 Year Guarantee

We guarantee to return and correct any defects that may have occurred as a result of our workmanship

made to measure wardrobes

Bespoke Joinery, Fitted Furniture and More

It’s amazing how much a home can change with just a bit of woodworking magic! Give your house a facelift by installing hardwood flooring or upgrading your doors. Create warmth or light with new skirting board, architraves, and cornices. Or give your home more of an open feel with fitted furniture, walk-in wardrobes, or bespoke shelving. Get a quote here from our carpentry and joinery specialists.

Sheds, Cladding, Decking and More

Are you thinking of creating an office outside? Or maybe a timber shed, where you can keep your equipment or supplies? You might want external decking for those summer days where you can relax outside or entertain friends. At MJKloss Carpentry & Joinery we can design and build it all, just ask for a free quotation here.

Exterior Decking
Carpenter working with materials

Real Hard & Soft Wood, MDF, and More

Choosing what type of wood you want for your home is very important. There is an incredible variety, and each has their own characteristics, colours, and properties. Here at MJKloss Carpentry & Joinery we will advise you which is best suited to what you envision in your project.

"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! "


For expert Carpenters in London please call 0208 945 3552