Bringing Your Vision to Reality
We are a Lancashire-based Premium & Luxury Windows & Doors installation company. We cover Lancashire, Cheshire, Greater Manchester & West Yorkshire, and pride ourselves on pristine planning and preparation to ensure we bring our clients' vision to reality.
A closer look at the precision, craftsmanship and considered finishing that goes into every Behind The Glass installation.
Premium windows, doors & glazing — crafted around your home
We are a Lancashire-based Premium & Luxury Windows & Doors installation company covering Lancashire, Cheshire & Greater Manchester. We pride ourselves on pristine planning and preparation to ensure we bring our clients' vision to reality.
With over 15 years of experience, our expert team delivers every project with precision, style and meticulous attention to detail — from initial survey through to final installation.
About Behind The Glass: Behind The Glass Windows, Doors & Glazing Ltd is a Rossendale, Lancashire-based premium glazing contractor founded by Craig Whitworth. The company specialises in luxury aluminium windows, bi-folding doors, composite doors, rooflights, and structural glazing for residential and commercial clients across Lancashire, Greater Manchester, and Cheshire. The company holds Assure Certified Installer accreditation and carries a 5.0-star Google rating from 42 verified reviews.
Durable, energy-efficient windows in a wide range of styles and finishes to enhance your home's kerb appeal and thermal performance.
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Stylish, secure doors that dramatically improve both the aesthetic and energy efficiency of your home's entrance.
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Create seamless indoor-outdoor living with sleek, space-saving bi-folding doors that flood your home with natural light.
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Make a bold statement at your entrance with precision-engineered aluminium doors in any colour, combining security with stunning aesthetics.
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Contemporary and stylish solutions for dividing spaces within your home, combining function with modern design.
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Flood your home with natural light through premium rooflights and glass lanterns, expertly installed for lasting performance.
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Maximise light and space with our ultra slim aluminium sliding doors — minimal sightlines, maximum impact, seamlessly connecting inside to out.
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Elevate your staircase, balcony or terrace with frameless or semi-frameless glass balustrade systems that combine safety with stunning clarity.
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Timeless Crittall-inspired steel and aluminium heritage doors that bring period character and industrial elegance to any property.
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Transform your interiors with bespoke slim-frame internal heritage doors. Inspired by the iconic Crittall aesthetic, our full-height glazed internal doors flood rooms with light while adding a bold, architectural statement to any hallway, living space or open-plan home.
Learn MoreAt Behind The Glass, we blend experience, craftsmanship and genuine customer care to ensure every project is completed to the very highest standards. Your home is in safe hands with our skilled, certified team.
Book your free, no-obligation survey today. Our expert team will visit your home, take precise measurements and provide a detailed, transparent quote — completely free of charge.
Craig clearly knows his craft and expertly guided us through potential pitfalls. His knowledge and workmanship are unquestionable — it was refreshing to deal with a company that do…
I hired Craig and his team to install my new front door. The standard of work is really top notch. They said they would arrive at a certain time and they did, making sure the job w…
Would recommend Behind the Glass without hesitation! We had all our windows replaced and new front and back doors fitted. Craig and his team did a brilliant job and we are really i…
Can't fault Craig and his team. Clear communication from start to finish and arrived on time. Fitted two new doors quickly and left no mess. Really pleased with the finished work!
Excellent work. We had four windows fitted to the front of our old house this week. Craig is a perfectionist and very professional. He tidied and cleaned up beautifully. We highly …
Craig at Behind The Glass was fantastic from start to finish. From first contact to installation and beyond, the customer service was 10/10. He removed our old canopy and fitted a …
Absolutely delighted with our new bi-folding doors. Craig was professional throughout — from the initial survey right through to the final installation. The quality is exceptional …
Used Behind The Glass for a full window replacement across our property. Craig and his team were punctual, tidy and the finish is immaculate. The new aluminium windows look incredi…
Aluminium Windows9 min read
A complete guide to choosing premium aluminium windows — from frame profiles and glazing specs to colour choices and what separates a luxury installer from the rest.
Aluminium Doors7 min read
Aluminium doors have become the defining feature of premium home extensions across Lancashire and Greater Manchester. Here's why they're the smartest investment you can make in 2026.
Rooflights6 min read
Discover how rooflights and roof lanterns can flood your home with natural light, reduce energy costs and add significant value to properties across Lancashire and Manchester.
Have a unique vision for your home? Get in touch today for custom windows, doors and home improvements that perfectly suit your style and needs.