BeforeAfterPremium Windows & Doors · West London
Frame Your Future
Made-to-measure uPVC and aluminium windows, doors and roof lights — designed, manufactured in the UK and fitted by our own FENSA registered team across West London and surrounding areas.
Free home survey 10 year guarantee No pressure sales
- Years Experience
- 12+
- Google Rating
- 4.9/5
- Guarantee
- 10-Year
- Registered Installer
- FENSA
Years Experience
Family run since 2014
Google Rating
Verified customer reviews
Guarantee
Insurance backed
Registered Installer
Building Regs certified
Our Range
Designed for Every Space
Whether it's a Victorian terrace or a new-build extension, there's a frame and finish that fits.
Products
Windows & Doors, Made for London Homes
Every product is bespoke — from heritage sash windows to slimline aluminium bi-folds.
Performance you can rely on
Engineered for Performance
Quality glazing is about more than looks. Here's what comes as standard on every LJ installation.
British Manufacturing
Frames made in UK factories to your exact measurements.
A-Rated Energy Efficiency
Low-E glazing and warm-edge spacers cut your heating bills.
Noise Reduction
Acoustic glass options for busy London roads and flight paths.
Secured by Design
Multi-point locking, laminated glass and anti-snap cylinders.
FENSA Certified Fitting
Every install self-certified for Building Regulations.
Recyclable Materials
Fully recyclable aluminium and uPVC profiles as standard.
Featured Projects
Inspiring Spaces. Framed Beautifully.
Drag the divider on each project to reveal the before and after.
Precision Manufacturing
Crafted with Precision.
From initial design to final installation, every window is manufactured with precision, care and quality you can trust.
01 Design
Bespoke design created with you at home.
02 Engineering
Advanced technical engineering of every frame.
03 Manufacturing
Precision built in UK factories.
04 Quality Inspection
Rigorously tested for performance.
05 Delivery
Carefully packed and delivered to site.
06 Installation
Expert FENSA installation and aftercare.
Customer Reviews
Trusted by West London Homeowners
K
Kirandeep Sekhon
3 months ago · Hounslow, TW3
Great service all around. Highly recommend, love my windows. Very professional.
Sash Windows
H
Harmandeep Singh
4 months ago · Ealing, W5
Great quality sliding door and a brilliant installation. It looks amazing, works perfectly, and the team was professional from start to finish. Highly recommend!
Sash Windows
R
Ramzi Mudares
4 months ago · Southall
Very happy with the work that LJ Double Glazing, have done at my house in Ealing. The reason i went with them is because they were much cheaper than the rest and i was reassured that the work would be done to a high standard.
Whole house
Sustainability
Building a Better Tomorrow
We are committed to sustainable manufacturing and reducing our environmental impact on every project.
- Recyclable aluminium and uPVC profiles
- Energy efficient A-rated products
- Lower carbon footprint per install
- Sustainable UK manufacturing partners
Frequently Asked Questions
Everything You Need to Know
Still unsure about something? Call us and a real person will answer.
Yes — we install windows and doors across West London including Ealing, Chiswick, Acton, Hammersmith, Fulham, Richmond, Kensington and surrounding areas. If you're just outside, give us a call and we'll let you know.
Prices vary based on style, size, glazing spec and material. As a rough guide, a typical uPVC casement window starts from around £550 supplied and fitted. We always provide a free, no-obligation written quote after a home survey.
Yes. LJ Double Glazing is a FENSA registered installer, so every window and door we fit is self-certified for Building Regulations compliance and comes with a FENSA certificate for your records.
All our installations come with an insurance-backed guarantee, plus manufacturer warranties on the frames, sealed units and hardware.
Most whole-house installations take 1–3 days on site, depending on the number of windows and access. Individual windows or doors are usually fitted in a few hours.
Absolutely — every frame is made to measure and available in a wide range of colours and finishes, including heritage styles for period West London homes.
Areas We Cover
Local Installers Across West London & Nearby
Explore our local window and door installation services, recent work and customer feedback in your area.
Let's Frame Something Beautiful.
Get in touch today for a free consultation and a personalised, no-obligation quote.