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

House Extensions in Bedfordshire

Transform your home with a high-quality extension designed and built by experienced professionals.


At JLS, we deliver expertly managed house extensions across Bedfordshire and surrounding areas, from initial consultation through to final completion, on time and on budget.

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Why Choose JLS?

  • Over 30 years of industry experience
  • Fully managed projects from start to finish
  • Federation of Master Builders (FMB) Member
  • High-quality workmanship and materials
  • Trusted local builders across Bedfordshire
  • Clear pricing and honest advice

Our House Extension Services

We design and build a wide range of extensions tailored to your home:

  • Rear extensions for open-plan living
  • Side extensions to maximise space
  • Double storey extensions for growing families
  • Full project management from start to finish

Every project is carefully planned and built to deliver space, functionality, and long-term value.

Our extension process

  1. Initial consultation and site survey
  2. Design and planning support
  3. Detailed quotation with clear pricing
  4. Construction carried out safely and efficiently
  5. Final completion and handover

recent extension projects

Ayot St Lawrence, Hertfordshire

A high-quality double storey extension designed to add significant living space while blending seamlessly with the existing property.

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Taddy Close, Upper Caldecote

newly fitted howdens kitchen in biggleswade

Full home renovation with a single storey extension, creating a modern open-plan kitchen and living space.

View Project

Other Recent Projects

Partridge Piece, Sandy

Partridge Piece, Sandy

Partridge Piece, Sandy

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

Rear garden renovation designed to improve outdoor space and complement the overall property.

View Project

High Street, Henlow

Partridge Piece, Sandy

Partridge Piece, Sandy

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

Kitchen and utility renovation delivering a clean, modern finish and improved layout.

View Project

Leopard Drive, Milton Keynes

Leopard Drive, Milton Keynes

Leopard Drive, Milton Keynes

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

Kitchen and bathroom upgrades completed to improve layout, functionality, and overall finish.

View Project

Falcon Close, Sandy

Leopard Drive, Milton Keynes

Leopard Drive, Milton Keynes

newly fitted howdens kitchen in sandy bedfordshire.

Full property renovation creating a modern interior and improving overall layout and usability.

View Project

Areas We Cover

Based in Biggleswade, we deliver house extensions and renovation projects across a wide range of areas including:


Bedfordshire - Bedford, Biggleswade, Sandy, Ampthill & Flitwick 

Cambridgeshire - St Neots, and surrounding areas

Hertfordshire - Hitchin, Letchworth, Baldock

Buckinghamshire - Milton Keynes and surrounding areas. 


Whether you are planning a house extension, property renovation, or new build our experienced team is ready to provide support from initial planning through to construction and completion. We also offer landscaping services to enhance your outdoor spaces.

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Planning a house extension? Get in touch to discuss your project, arrange a site visit, or request a detailed quotation.

Our team is here to provide clear advice and deliver a high-quality result from start to finish.

JLS Building and Property Development - Builders Biggleswade

Biggleswade, UK

01767 235673 info@jlsbpd.com

A family run construction company known for quality and professionalism.

Based in Biggleswade, Bedfordshire, we have built a strong reputation for delivering high-quality work across the surrounding areas.


Copyright © 2026 JLS Building & Property Development Ltd - All Rights Reserved.


Registered in England and Wales. Company No. 16751323.


+441767 235673

info@jlsbpd.com


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