Building Contractors in Bedfordshire & Hertfordshire
Delivering extensions, refurbishments and construction projects with over 30 years of experience.
Delivering extensions, refurbishments and construction projects with over 30 years of experience.
Specialising in residential and commercial building projects, our work ranges from new builds and house extensions to loft conversions and full property renovations. We work on everything from traditional heritage properties to modern contemporary developments, delivering high-quality construction tailored to each client’s requirements.
From the initial concept through to completion, clients are supported at every stage of the project with clear communication and professional project management.

Extensions, loft conversions, refurbishments and structural alterations delivered with full project management.

Commercial refurbishments, fit-outs and alterations for offices, retail spaces and industrial buildings.

Groundworks, patios, paving, drainage, fencing and external improvements.
• Over 30 years of construction experience
• Fully managed projects from design & planning to completion
• Residential and commercial specialists
• Reliable timelines and clear communication
• Trusted by homeowners and businesses throughout Bedfordshire and the surrounding counties.

A two-storey extension completed for a rural property in Hertfordshire, designed to expand the home while maintaining the character of the original building.

A complete renovation of a three-bedroom home in Sandy, Bedfordshire, including internal refurbishment and modernisation throughout.

A commercial warehouse refurbishment project in Biggleswade, Bedfordshire, delivering a fully upgraded and functional workspace.
Based in Biggleswade, we regularly carry out projects for homeowners and commercial clients across a wide range of towns including:
Bedfordshire Bedford, Biggleswade, Sandy, Ampthill & Flitwick
Cambridgeshire – St Neots, and Surrounding Areas
Hertfordshire – Hitchin, Letchworth, Baldock
Buckinghamshire – Milton Keynes and surrounding areas
Whether planning a house extension, property renovation, or commercial refurbishment, our experienced team is available to provide support from initial planning through to construction and completion, including landscaping services to enhance your outdoor spaces.


Clear communication is maintained throughout every stage of a project, whether it's in commercial construction, residential construction, or our landscaping services, ensuring clients are kept informed from initial planning through to completion. If you have any questions, specific requirements, or would like to request a quotation, please get in touch and a member of the team will be happy to assist.
Mon | 08:00 – 17:00 | |
Tue | 08:00 – 17:00 | |
Wed | 08:00 – 17:00 | |
Thu | 08:00 – 17:00 | |
Fri | 08:00 – 17:00 | |
Sat | Closed | |
Sun | Closed |
A family run construction company known for quality and professionalism.
Based in Biggleswade, Bedfordshire, JLS Building and Property Development LTD are an established Construction Company with a solid reputation for excellence.
Copyright © 2026 JLS Building and Property Development - All Rights Reserved.
Registered in England and Wales. Company No. 16751323
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