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Business Details
Trusted Windows and Doors in Chippenham
Established as a long-standing family-run business based in Chippenham, Wiltshire, we have been delivering premium windows, doors, and conservatories to homeowners across the region for over two decades. As a FENSA registered company and a Veka approved installer, we pride ourselves on combining technical expertise with superior materials to ensure every installation meets the highest standards of security, energy efficiency, and durability. Our team specialises in double and triple glazing, composite doors, bi-fold doors, and uPVC window systems, providing tailored solutions that enhance both the functionality and aesthetic appeal of properties.

All our products come with a 10-year guarantee, underpinned by Quality Assured National Warranties, ensuring complete peace of mind for our clients. We serve areas including Devizes, Melksham, Corsham, and Trowbridge, offering free, no-obligation quotations and expert advice. From initial consultation to final installation, we maintain a commitment to excellence, using advanced materials such as Pilkington anti-glare glass and thermally efficient warm roofs to maximise comfort and value. Our dedication to customer satisfaction is reflected in our decades of experience, industry certifications, and the trust of the local community.
Services
Double Glazing Composite Doors Conservatories PVC-u Windows Repairs & Maintenance
Highlights and features
  • We provide a 10-year guarantee on all installations.
  • Our team are FENSA registered and Veka approved installers.
  • We are a long-established local family business.
  • All work is covered by Quality Assured National Warranties.
  • We offer free advice with no obligation quotations.
Associations and certifications
  • FENSA
Services
Double Glazing
Our double glazing solutions utilise Veka Matrix fully sculptured systems with steel reinforcement for enhanced security and thermal performance. Standard A-rated sealed units can be upgraded to A+ with triple glazing options, ensuring energy efficiency and noise reduction. Every installation includes a 10-year guarantee, providing long-term durability and value for homeowners.
Composite Doors
We supply and install composite doors from the Platinum and Diamond ranges, featuring solid board cores, thermoplastic facings, and multipoint Yale locking systems. Available in multiple colours, styles, and finishes, these low-maintenance doors offer superior security, insulation, and aesthetic appeal, backed by a 10-year guarantee.
Conservatories
Our conservatories and orangeries are built with thermally efficient PVC-u systems and optional warm roofs for year-round usability. Features include Pilkington anti-glare glass, polycarbonate roofing sheets, and advanced insulation to ensure comfort in all seasons. Each structure is guaranteed for 10 years.
PVC-u Windows
Veka-approved PVC-u window systems replicate traditional timber aesthetics while offering modern performance benefits. Multi-chambered profiles with steel reinforcement enhance security and energy efficiency, with options for triple glazing and a 10-year warranty as standard.
Repairs & Maintenance
We provide comprehensive repair services for PVC-u and aluminium windows and doors, including misted sealed units, jammed mechanisms, and replacement handles. All repairs come with a one-year guarantee, ensuring reliable and long-lasting fixes for your home.
Questions
What services does L & J Windows offer?
We supply and install windows, doors, conservatories, and orangeries, alongside repairs for PVC-u and aluminium systems.
Are your products FENSA registered?
Yes, we are a FENSA registered company, ensuring compliance with building regulations and quality standards.
Do you offer guarantees on installations?
All our windows and doors come with a 10-year guarantee, and repairs have a one-year warranty.
What areas do you serve?
We operate in Chippenham, Devizes, Melksham, Corsham, and Trowbridge.
Can you replace broken sealed units?
Yes, we replace misted and broken sealed units with energy-efficient alternatives.
Are your doors secure?
Our composite doors feature Yale locking systems and are Secured by Design approved options.
Reviews (2)
Michael Hopper
Aug 07, 2018 Report
First time using L&J for a replacement window, great job, prompt clean and friendly service, definitely use again. Thanks Joe.
Steve Hudson
Jul 24, 2017 Report
I have used L&J Windows to replace windows, doors and fascia in my own home, my business premises and in a rental property I have. On every occasion Joe has done an excellent job at a very reasonable price, and has always been meticulous about cleaning up any mess afterwards. I have recommended his services to several friends and family, and will happily do so again.