HOUSE EXTENSIONS BUILDERS
AWARD-WINNING BUILDING CONTRACTOR IN HARPENDEN
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J.M.B Design and Build Ltd are a leading house extension builder in Harpenden.
We have constructed a range of house extensions in Harpenden, from single-storey all the way through to multi-storey extensions.
Previous Hertfordshire building projects have taken place on Thornton Road, Byng Drive and Ramsey Close.
Are you considering a house extension in Harpenden?
Why choose JMB?
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Award-winning building contractor
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Decades of combined experience
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Highly regarded in Harpenden
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Never comprising on quality
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Over 50 five-star reviews
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Highly skilled architects
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Highly skilled builders
GALLERY
More information on house extensions with JMB Design and Build
Looking to expand your living space in Harpenden?
Look no further!
JMB Design and Build is an award-winning building contractor serving various Hertfordshire and North London areas, including Harpenden.
We offer premium house extension solutions tailored to your bespoke needs.
Our expert team specialises in crafting seamless house extensions that not only enhance your living space but also add value to your property in Harpenden.
Whether you crave a stylish kitchen extension, a spacious loft conversion, or a functional home office addition, we've got you covered.
Why choose JMB Design and Build for your house extensions in Harpenden?
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Award-winning expertise: With years of experience and accolades in the industry, we deliver unparalleled craftsmanship and quality.
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Tailored solutions: We understand that every homeowner in Harpenden has unique requirements. That's why we work closely with you to design and build extensions that match your vision and lifestyle.
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Local expertise: As a trusted name in Hertfordshire and North London, we deeply understand the local regulations and architectural styles, ensuring smooth project execution from start to finish.
Previous Hertfordshire House Extension Projects
2024
Borough Way, Potters Bar
Our client instructed us to construct a rear extension at this Potters Bar property.
The extension and entire refurbishment included an open-plan kitchen, tiling and underfloor heating.
2023
Byng Drive, Potters Bar
Our client’s family home was a modest 3-bedroom property based in Potters Bar, with the potential for a loft conversion.
This project turned unused property space into a spacious master bedroom with an en-suite, enabling our clients to enhance their living space while increasing their property value.
2021
Ramsey Close, Brookmans Park
We were approached by a client who wanted to transform the ground floor of his property based in Brookmans Park, to modernise and create space.
We designed an orangery style area to house a state-of-the-art kitchen leading to an open plan living room. The downstairs cloakroom was also completely refurbed.