Traditional Elegance Meets Modern Performance
Premium vertical sliding sash windows that glide smoothly up and down within the frame, combining authentic period aesthetics with contemporary uPVC performance and security.
Highly rated on:
Once your installation is complete, just sit back and relax. Enjoy the peace of mind that only a ten year insurance backed guarantee can offer.
As an accredited supplier of Origin’s market leading aluminium double glazing, we’re the first choice for Bristol and the surrounding area.
4.8 stars based on 440 reviews - our customers consistently praise our professional installation and exceptional service.
We provide completely free, no-obligation quotes with transparent pricing and no pressure sales tactics whatsoever.
Our vertical sliding sash windows deliver exceptional benefits that transform both the appearance and performance of your home.
Choose reliable security features such as top hat fixing points and child safety catches, helping you feel rest assured that your home is secure.
Multi-chamber design traps heat your home generates, creating fantastic insulation with 'A' rated energy performance as standard throughout your property.
We provide an incredible range of decorative glazing options including traditional Georgian bars, allowing you to achieve your perfect authentic period aesthetic.
We offer eye-catching colours such as Light Oak, Rosewood, Cream and White Woodgrain, perfect for homeowners looking to add flourish to their property.
A big thank you to Jason and his team for their fantastic work! We've been working together for quite some time now, and they've just...
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Ellie
Via Trustpilot
What a lovely team! Went out of their way to help, Very friendly and helpful indeed! Thank you to all at associated windows
Kane Trimnell
Via Google
Great company to work with, would highly recommend Rob and the team.
Adi D
Via Yell
Excellent quality and service, amazing Origin products. We would highly recommend.
Darren James
Via Trustpilot
We are extremely happy with our new windows and door from Associated Windows. The pricing and quote were clear with no hard sell. They managed...
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Janine Talbot
Via Google
Outstanding company with a straightforward, honest approach to pricing and customer service. The quote provided was fair and accurate—no inflated numbers followed by sudden discounts....
Read more
Verified Reviewer
Via Checkatrade
A big thank you to Jason and his team for their fantastic work! We’ve been working together for quite some time now, and they’ve just completed the installation of triple glazed windows at our Cotswolds barn conversion. The windows look absolutely fabulous — the quality is outstanding, and the attention to detail has been excellent throughout.
The Origin triple glazed triple sliders in particular create a real wow effect and have completely transformed the space.
Looking forward to the next project together!
Ellie
Via Trustpilot
What a lovely team! Went out of their way to help, Very friendly and helpful indeed! Thank you to all at associated windows
Kane Trimnell
Via Google
Great company to work with, would highly recommend Rob and the team.
Adi D
Via Yell
Excellent quality and service, amazing Origin products. We would highly recommend.
Darren James
Via Trustpilot
We are extremely happy with our new windows and door from Associated Windows. The pricing and quote were clear with no hard sell. They managed to get the windows and door installed within our very tight time frame (our fault!) and the finished products are well made and look great. I definitely recommend them as a window/door company!
Janine Talbot
Via Google
Outstanding company with a straightforward, honest approach to pricing and customer service. The quote provided was fair and accurate—no inflated numbers followed by sudden discounts. We received expert advice during the window measurement and ordering process, which was handled professionally. Installation was fast, clean, and high-quality. We’ve used this company twice over the past 15 years, and both times they delivered the best combination of price and workmanship.
Verified Reviewer
Via Checkatrade
There’s a reason why our uPVC windows are being picked over timber frames. Instead of worrying about thermal performance, security or general upkeep, you can enjoy a window that will last and perform like new for years to come.
We want our customers to be able to achieve their desired aesthetic, be it Georgian, Victorian or an Edwardian style. Many of our glazing options encompass a more traditional style, allowing for more classic options for historical structures.
If you choose our astragal bar patterns, you’ll benefit from their traditional but practical design of sitting ‘pane over pane’ in the Vertical Sliding Sash Window frame. We provide homeowners with a range of fantastic traditional style options so that everyone can customise their dream home.
At Associated Windows, we offer premium sash windows that blend traditional elegance with modern performance. Our vertical sliding sash windows eliminate common drawbacks of traditional timber, providing superior energy efficiency and enhanced security tailored to suit various architectural styles with expert craftsmanship throughout Bristol.
Common questions about our vertical sliding sash windows to help you make an informed decision for your Bristol home renovation or replacement project.
Contact UsYes, our sash windows have an excellent track record of gaining installation approval in conservation areas and listed properties.
All our sliding sash windows reach an 'A' rating as standard on the Window Energy Rating Scale with incredibly low U-values.
Absolutely, we can supply traditional hardware including deep bottom rails, bevelled sashes and period Georgian bars for authentic detailing.
Our uPVC sash windows offer superior security, thermal performance and require virtually no maintenance compared to traditional timber frames.
If you would like to leave us a message at any point during the day, even during closed hours, please fill out our online contact form, or click below to start your free quote. We will get back to you as soon as possible with everything you need to know about our Vertical Sliding windows.
We look forward to hearing from you soon!
