JLS Building and Property Development
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    • Home
    • About Us
    • House Extensions
    • Commercial Projects
    • Services
    • Case Studies
JLS Building and Property Development
  • Home
  • About Us
  • House Extensions
  • Commercial Projects
  • Services
  • Case Studies
telehandler craning steals into double storey extension for roof.

House Extensions in Bedfordshire and Surrounding areas

JLS Building and Property Development are experienced house extension builders in Bedfordshire, specializing in residential construction. We deliver high-quality residential extensions for homeowners looking to add space, value, and functionality to their property. With over 30 years’ experience in both residential and commercial construction, we focus on single and double storey house extensions, managing projects from initial groundwork through to full completion. We also provide landscaping services to enhance the overall appeal of your property. Our team works closely with homeowners to ensure every extension is built to a high standard, on time, and with clear communication throughout.

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Our House Extension Services

We design and build a wide range of residential extensions, tailored to your home and needs.

Single Storey Extensions are ideal for enhancing kitchen spaces, dining areas, and open-plan living environments. In the realm of residential construction, Double Storey Extensions offer a cost-effective method to add bedrooms, bathrooms, and additional living space without expanding your footprint. Rear Extensions are popular choices for those looking to expand kitchens and living areas, allowing for improved natural light. Side & Wraparound Extensions maximize unused space, significantly increasing the internal floor area. 


Whether your project is modest or complex, our experienced team in commercial construction ensures your extension is built safely, efficiently, and in compliance with current building regulations. Additionally, we offer landscaping services to complement your new space.

Our Extension Build Process

We provide a structured, transparent approach to every house extension project:

Single Storey Extensions are ideal for enhancing kitchen spaces, dining areas, and open-plan living environments. In the realm of residential construction, Double Storey Extensions offer a cost-effective method to add bedrooms, bathrooms, and additional living space without expanding your footprint. Rear Extensions are popular choices for those looking to expand kitchens and living areas, allowing for improved natural light. Side & Wraparound Extensions maximize unused space, significantly increasing the internal floor area. 


Whether your project is modest or complex, our experienced team in commercial construction ensures your extension is built safely, efficiently, and in compliance with current building regulations. Additionally, we offer landscaping services to complement your new space.

Why Choose JLS Building and Property Development?

Single Storey Extensions are ideal for enhancing kitchen spaces, dining areas, and open-plan living environments. In the realm of residential construction, Double Storey Extensions offer a cost-effective method to add bedrooms, bathrooms, and additional living space without expanding your footprint. Rear Extensions are popular choices for those looking to expand kitchens and living areas, allowing for improved natural light. Side & Wraparound Extensions maximize unused space, significantly increasing the internal floor area. 


Whether your project is modest or complex, our experienced team in commercial construction ensures your extension is built safely, efficiently, and in compliance with current building regulations. Additionally, we offer landscaping services to complement your new space.

Building Your Dream Home

Ayot St Lawrence, Hertfordshire

Ayot St Lawrence, Hertfordshire

Ayot St Lawrence, Hertfordshire

completed double storey extension in welwyn garden city.

A double storey extension can significantly enhance your property, whether it's part of a larger residential construction project or integrated into a commercial construction plan. Additionally, landscaping services can complement the new structure, creating a harmonious blend of indoor and outdoor spaces.

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Taddy Close

Ayot St Lawrence, Hertfordshire

Ayot St Lawrence, Hertfordshire

newly fitted howdens kitchen in biggleswade

Comprehensive residential construction services, including full home renovation and single story extension, are complemented by our expertise in commercial construction and landscaping services.

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Partridge Piece

Ayot St Lawrence, Hertfordshire

High Street, Henlow

Backyard with new wooden pergola, wet patio, and grassy lawn under overcast sky.

The rear garden renovation can significantly enhance your outdoor space, whether it's part of a residential construction project or a commercial construction endeavor. By utilizing professional landscaping services, you can create a beautiful and functional garden that meets your specific needs.

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High Street, Henlow

High Street, Henlow

High Street, Henlow

Modern kitchen with dark cabinets, gold handles, and white countertops.

Kitchen & Utility Renovation plays a crucial role in both residential construction and commercial construction projects. Additionally, integrating landscaping services can enhance the overall appeal and functionality of renovated spaces.

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Leopard Drive

High Street, Henlow

Leopard Drive

Modern kitchen with black cabinets and white countertops under warm pendant lights.

Our services encompass kitchen and bathroom renovation as part of our broader expertise in residential construction. We also provide commercial construction solutions and landscaping services to enhance your space.

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Falcon Close

High Street, Henlow

Leopard Drive

newly fitted howdens kitchen in sandy bedfordshire.

Full home renovation, including both residential construction and landscaping services, can transform your space and enhance its value.

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Areas We Cover

We provide house extension services across:

Single Storey Extensions are ideal for enhancing kitchen spaces, dining areas, and open-plan living environments. In the realm of residential construction, Double Storey Extensions offer a cost-effective method to add bedrooms, bathrooms, and additional living space without expanding your footprint. Rear Extensions are popular choices for those looking to expand kitchens and living areas, allowing for improved natural light. Side & Wraparound Extensions maximize unused space, significantly increasing the internal floor area. 


Whether your project is modest or complex, our experienced team in commercial construction ensures your extension is built safely, efficiently, and in compliance with current building regulations. Additionally, we offer landscaping services to complement your new space.

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Please get in touch and one of our colleagues will call you back as soon as possible.

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We maintain constant communication with our customers throughout the entire process, whether it's for commercial construction, residential construction, or landscaping services. If you have any questions, special requests, or would like to receive a free quote, feel free to drop us a line.

JLS Building and Property Development

01767 235673 info@jlsbpd.com

Hours

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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