About JMKB
Think Safe | Work Safe | Home Safe
JMKB was founded by John Brailsford in 2021, building high-quality extensions and refurbishments.
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Since then, JMKB has rapidly grown and expanded, evolving into three specialised companies, each excelling in their unique area of construction. This strategic division allows JMKB to deliver unparalleled expertise, quality, and innovation tailored to every project.
Our Companies
John Brailsford
Founder & CEO
Leading with 20 years of expertise in high-quality residential construction.
Meet Our Expert Team
Alex Heath
commercial & finance Manager
Streamlining internal processes to ensure peak operational efficiency within JMKB's companies.
Joe Collis
Senior Site MAnager
Leads all on-site construction activity, managing teams, safety, and schedules to deliver complex projects to a high standard.
Ian Sharp
Site MAnager
Oversees on-site construction for our residential builds, leading teams to deliver projects to the highest quality standards.
Heather Charlesworth
Sales & Marketing Manager
Helping clients find their perfect home and heading up promotional activities across the group.
Jax Brailsford
hr & Training Manager
Overseeing talent acquisition and employee development, and ensuring high performance across teams.
Steph Fiddes
Finance Administrator
Manages invoices, payments, and records to keep project finances accurate, compliant, and up to date.
Client Testimonials
What our clients say about us
Denise W.
We would like to say a huge thank you to the whole JMKB team for helping us create our vision and, importantly, helping to shape it from the very outset.
What started as an idea has not only been brought to life, but has turned out even better than we could ever have imagined. Throughout the renovation, the JMKB team were amazing — from the guidance, advice and support we received at every stage, to the incredibly skilled teams who worked so hard to bring the house to life.
The craftsmanship, attention to detail and pride in the work really stood out. Nothing was ever too much trouble, and we always felt that we were working together to achieve the best possible result.
JMKB were also brilliant at recommending trusted stockists for windows, kitchens, bathrooms and other elements of the project, whilst always giving us the freedom to choose our own suppliers where we wanted to. That balance of professional expertise and flexibility made the whole process so much easier.
The renovation was a huge project, but we always felt supported and listened to. The skills, care and attention of everyone involved have made such a difference, and we are absolutely delighted with the finished result.
Thank you to every member of the JMKB team for helping turn our house into something that is even better than we could have dreamed of. We wouldn’t hesitate to recommend JMKB to anyone looking for a building company that genuinely cares about the end result.
Helen M.
From quoting through to completion JMKB were fantastic to work with.
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They completed a house renovation for us which included removal of conservatory, extending in two places, knocking out and rearranging our downstairs layout. We don't have a huge house but the update was complex with all the new structural beams required; this didn't faze the team. They installed our new kitchen and bathrooms.
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All work was completed to a really high standard, would highly recommend. Thanks to all the JMKB team who were involved in the transformation of our home.
Anon.
I cannot recommend JMKB highly enough.
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They have project managed the whole process and been a pleasure to work with. Nothing has been too much trouble and they have been very reasonable with variations we made in their final invoice.
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A truly professional firm with great employees, I wouldn’t hesitate to recommend them or use them again for any future building work.