House Extensions in Bedfordshire and Surrounding areas

JLS Building & Property Development provides a full range of house extension services, delivering high-quality workmanship from initial planning through to final completion. With over 30 years of experience, we build practical, well-finished home extensions designed to add space, value, and functionality to your property.

Rear Extensions
Ideal for extending kitchens, dining areas, and living spaces, our rear house extensions create open, modern layouts that seamlessly connect your home to the garden.

Side Extensions
Side extensions are a great solution for widening your existing property. We design and build side house extensions that maximise space while maintaining the character of your home.

Double Storey Extensions
A double storey extension provides significant additional living space, perfect for growing families. We manage the full build process, ensuring structural integrity and a consistent finish throughout.

Single Storey Extensions
Our single storey house extensions are a cost-effective way to add space without major structural changes, ideal for ground-floor improvements.

Full Project Management
From design coordination and planning support to construction and final handover, we manage every stage of your house extension project for a smooth, stress-free experience.

At JLS Building & Property Development, we deliver high-quality home extensions using a clear, step-by-step build process. With over 30 years of experience, we manage your extension project from start to finish, ensuring a smooth, reliable, and stress-free build.

Initial Consultation & Site Survey
We begin with a site visit to assess your property, discuss your extension ideas, and offer practical advice based on your home and budget.

Design & Planning Support
Where required, we can assist with design development and guide you through the planning process to ensure your home extension complies with local regulations.

Clear Fixed Quotation
You’ll receive a detailed, transparent quotation outlining the full scope of work, so you know exactly what’s included before construction begins.

Extension Construction
Our experienced builders carry out all extension works efficiently and safely, from foundations through to roofing and internal finishes, while keeping disruption to a minimum.

Completion & Handover
We complete final inspections, apply finishing touches, and hand over a fully completed home extension built to the highest standard.

Choosing the right extension builder is essential to the success of your project. At JLS Building and Property Development, we combine experience, professional standards, and quality workmanship to deliver reliable, high-quality house extensions.

Over 30 Years of Experience
With more than three decades in the building industry, we have the knowledge and expertise to deliver house extensions built to last.

Federation of Master Builders Member
We are proud members of the Federation of Master Builders (FMB), giving our clients confidence that all extension work meets recognised industry standards and best practices.

Trusted Local Extension Builders
Based in Bedfordshire, we are an established local building company delivering high-quality home extensions across the surrounding counties.

Complete Project Management
We manage every stage of your house extension, from initial planning through to final completion, ensuring clear communication and minimal disruption.

Quality Workmanship & Materials
All extension work is completed using quality materials and proven construction methods to achieve a durable, professional finish.

Clear Pricing & Honest Advice
We provide detailed quotations and straightforward advice, so you know exactly what to expect with no hidden costs.

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.