PREMIUM DESIGN & BUILD SERVICES
JMB Design & Build — 25 years of exceptional construction, renovation and design across Hertfordshire and London.
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Premium Contractors
When you are ready to transform your property — whether it is more space, a full renovation, or expert groundwork — JMB Design & Build is here to guide you every step of the way.
We deliver premium craftsmanship across Hertfordshire, London and surrounding areas. Our experienced team handles everything from groundwork to the final polish, ensuring each detail is executed with skill and dedication.
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Who We Are
JMB Design & Build is a comprehensive building and contracting company dedicated to delivering exceptional construction experiences. With 25+ years in the industry and 450+ projects completed, our standards are unmatched.
Founded by James Boulton and based in Hertfordshire, we offer professional help from concept through our in-house Architectural Planning and Design team, through to build and final finish. We pride ourselves on quality, workmanship and referrals from happy clients.
About UsOur Services
Rear, side and double storey extensions plus loft conversions designed and built to the highest standard. From planning to final finish.
Complete home transformations from concept to completion. Our team works with you to match your vision, budget and timeline.
New build homes and sensitive Grade II listed building renovations — expertly managed by James Boulton and his team.
JMB Design and Build was founded on the principle that quality should never be compromised. Every project receives the same meticulous attention to detail.
James and his team of qualified craftsmen have more than 25 years of experience in the industry, covering everything from groundwork to final decoration.
From architectural planning and design through to build and final finish, you deal with one trusted team from start to completion.
“JMB Design & Build have been fantastic throughout our renovation. James and his team worked diligently, communicated clearly and delivered a truly exceptional finish. I could not recommend them more highly.”— Gavin O’Donavan, Potters Bar
Get in touch with JMB Design & Build today for a free consultation. We work closely with each client to deliver outstanding results on time and on budget.
Email: info@jmbdesignandbuild.co.uk
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14 The Service Road, Potters Bar, Hertfordshire EN6 1QA