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Welcome to BJM Loft Conversions, Building & Joinery Professionals Based in Leeds

Established for 25 years, we are a professional loft conversion company based in Leeds. 

We provide a wide range of services including loft conversions, joinery and building. Whether it’s more space, or just a change of environment, we have the solution for you!

All work is carried out with the customers needs in mind, from start to finish , we always ensure that all of our work is carried out with the upmost professionalism and to the highest standards as we pride ourselves on keeping our customers happy and delivering their requirements.

Find us on the map and begin your home transformation today, or call us on 07809604417 to arrange a meeting.


We had a double garage converted into 2 new rooms. The work was carried out quickly and efficiently, and the place was left clean and tidy every evening. The service we received before and during the work period was first class, and the work was carried out to the highest quality. We wouldn't hesitate to contact BJM.

Mrs Wood, Horseforth Leeds



If you are looking for a company to re-furbish your home as well as the installation of a loft conversion we would be more than happy to carry out the complete project for you.