Double Glazed uPVC Sash Windows
At Colin’s Sash Windows, we are committed to help you with the best suitable windows to give your house a new look. Our uPVC sliding sash windows are manufactured in the UK, supplied nationwide and exported worldwide. Unlike many suppliers, we always give the best price possible to all customers first time – homeowners or trade.
Designed to replicate the traditional timber sash window whilst incorporating the benefits of uPVC. Our sash windows operate like traditional box sash windows – both the top and bottom sashes slide up and down as standard, and tilt inwards for easy cleaning. They are also double glazed, A energy rated. All our sliding sash windows are made-to-measure and delivered to your property ‘ready to fit’. Since they come with a 10-year warranty, you don’t have to worry about your investment.
Fabulous uPVC Sliding Sash Windows! You won’t be disappointed by our competitive prices. Check our measuring guide, get your sizes and ask for your sash windows online quote!
Tradition With Technology
Our sliding sash windows are manufactured using the SPECTUS uPVC profile designed to truly emulate traditional heritage frames. Featuring woolpile strips that provide an excellent seal against weather, air and debris infiltration. ‘Low E’ glass together with a warm edge spacer bar provide exceptional heat retention, and a superior ‘A’ energy rating. An innovative dedicated weather bar add another level of defense against rainwater – an extra feature unique to this type of window. Designed with not only elegance and authenticity in mind, but security too. The sliding sash windows are multi-chambered and reinforced to prevent deflection through different climates.
Our vertical sliding sash windows ensure that your home retains its character and charm. You can choose from a wide range of styles, features and hardware options to complement your home.
- Custom made
- Low maintenance – no sanding or painting
- Easy clean facility
- Safe and secure
- Weather resistant
- Energy efficiency – A rated
- Authentic woodgrain effect available
- 10-year guarantee
- Made in UK, delivered nationwide
White uPVC
UPVC SLIDING SASH WINDOWS – SUPPLY ONLY
FROM £300 + VAT
- Double glazed – argon gas filled, Pilkington Low E glass
- White furniture
- ‘A’ energy rated, 1.4 U-Value
- Warm edge spacer bars
- Plant-on sash horns
- Toughened glass on the bottom sash
- 150mm stub cill
- for units up to 1250mm wide by 1700mm high
- Fast UK delivery from 3 weeks
- Small delivery charge applicable for orders less than 5 windows or if you are based in Ireland
* Any other feature is extra charged. Bigger sizes available for a small extra charge as well.
* £8.30+VAT material surcharge applicable from the 1st of May 2022
Woodgrain uPVC
Add any of the below features for more authentic heritage look:
* Seamless welding and Mechanical joints available on woodgrain only
Standard Woodgrain Collection
White- Anthracite Grey
- Cream
Special Woodgrain Collection
- Chartwell Green
- Agate Grey
- Irish Oak
- Black Brown
- Golden Oak
- Rosewood
Choose from a wide range of colours. As standard our sash windows come in a smooth white finish but you can also have them sprayed in any RAL or Farrow & Ball colour.
If you want a more natural look our woodgrain colour selection is the right choice. The foiled finishes bring windows to life with a woodgrain effect that never needs painting. Dual colour finishes are also available: meaning a coloured exterior can be paired with a smooth white interior to keep its effect on the room neutral. Our special woodgrain colours are available with longer lead time.
We are now offering woodgrain windows with seamless welds making the joints almost invisible.
- White
- Black
- Antique Black
- Satin
- Chrome
- Graphite
- Gold
- Bronze
High quality hardware is fixed to integral reinforcements for reliable and smooth opening. The travel restrictors stop both the top and bottom sashes from opening more that 100mm. The standard restrictor is non-locking and auto-engages when the sash slides past. They are primarily used as both a safety and security feature. The hooks and pole eyes come loose so you can decide whether you`d like them or not.
As standard, each window is supplied with white furniture including lock, pole eyes and sash pulls. With all optional finishes, you will find exactly the right match for your taste. Heritage style hardware also available.
* Note – our travel restrictors are only available in white, chrome, gold and satin silver
Choose between the extra features for your trade uPVC sash windows we offer while keeping the exceptional energy saving capabilities and durability of the material:
- Astragal Bars
- Georgian Bars
- Run Through Sash Horns
- Seamless Welding
- Trickle Vents
- Deep Bottom Rail
- Obscured glass
- Bigger sills
- Arched Sunburst Layout
- Fire escape hinges
- PAS 24
- Frame extenders
Our vertical sliding sash windows can be manufactured to a style to suit your home. Here are a few examples of the bar layouts available. Our windows come with equal sized top and bottom sashes (50/50 split) as standard, however we are able to manufacture other split ratios at your request (minimum transom drop of 350mm).
- Non Bars
- Three Light
- Three Offset Light
- 2/5 x 3/5
- Asymmetric
- Margin
- Half Georgian
- Georgian
- Georgian Variant
- Fire Egress A
- 1/3 x 2/3
- Swept Head
- True Arch
Spectus uPVC Profile
| Frame Depth | 128mm |
| Corner Detail | Welded |
| Meeting Rail | 50mm |
| Plant on Sash Horns | Standard |
| Woodgrain | Optional Extra |
| Seamless Welds | Optional Extra |
| Deep Bottom Rail | Optional Extra |
| 20mm Astragal Bar/s | Optional Extra |
Get In Touch
Please fill out the form below to send us an email and we will get back to you as soon as possible.
Contact Info
Working Hours 8:00 AM - 8:00 PM, Mon - Sun
UK Phone 01525 552131
IE Phone 01695 0691
WhatsApp 07930 098867
Fax 01525 552141
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