Design and Operation
- uPVC sash windows are designed to mimic the look of traditional timber sash windows, with two sliding sashes that move up and down vertically.
- They typically have two window sashes that slide vertically using a spring balance mechanism.
- Many designs allow the sashes to tilt inwards for easy cleaning.
Benefits
- More affordable than timber or aluminium sash windows.
- Low maintenance – no need for sanding or painting.
- Energy efficient – often A-rated for thermal performance.
- Secure – many designs include enhanced security features.
- Durable – resistant to warping, cracking and fading.
- Can closely replicate the appearance of traditional timber sash windows.
Features
- Available in a range of colours and wood grain effect finishes.
- Can include authentic details like decorative horns and glazing bars.
- Often have tilt-in sashes for easy cleaning.
- May include features like trickle vents and child safety restrictors.
- Double or triple glazed options available.
Applications
- Suitable for both period properties and modern homes.
- Can be appropriate for conservation areas with the right design features.
- Popular choice for replacing older timber sash windows.
Considerations
- While more affordable than timber, still more expensive than standard uPVC casement windows.
- May not be permitted in some strict conservation areas.
- Appearance is close to timber but not an exact match.
Overall, uPVC sash windows offer a cost-effective way to get the traditional sash window look with modern performance benefits like energy efficiency and low maintenance. Their ability to closely mimic timber makes them a popular choice for period properties.
Costs
The average cost of uPVC sash windows ranges from about £500 to £1,505 per window, including installation. Some key points on pricing:
- White uPVC sash windows typically cost £240 – £1,245 per window, depending on size.
- Coloured uPVC sash windows range from £280 – £1,285 per window.
- Wood effect uPVC sash windows cost £315 – £1,310 per window.
- Installation costs are usually £500 – £805 per window.
Factors that affect the price include:
- Window size
- Frame colour/finish
- Glass type
- Additional features (e.g. trickle vents, decorative bars)
- Installation complexity
Colour Options
uPVC sash windows are available in a variety of colours and finishes:
- White (most common and usually cheapest option)
- Woodgrain foil finishes to mimic timber (e.g. Golden Oak, Irish Oak)
- Solid colours like Cream, Chartwell Green, Anthracite Grey
- Dual colour options with coloured exterior and white interior
Popular woodgrain finishes include:
- Golden Oak
- Irish Oak
- Rosewood
Solid colour options often include:
- Cream
- Chartwell Green
- Anthracite Grey
- Black
Many manufacturers offer custom RAL colours as well. Coloured and woodgrain finishes typically cost 15-20% more than standard white uPVC.
When choosing a colour, consider factors like your home’s style, surrounding properties, and any conservation area restrictions. White remains the most popular and cost-effective choice, but coloured options allow for more customisation to suit your preferences.
It is a very good idea to shop around with local and national Sash Window Replacement Companies. By using Glazing Network we can connect you with over 4000 double glazing companies throughout the UK. Please use our quote form to receive up to 3 quotes from local uPVC windows companies or scroll through the companies and contact them directly.
