uPVC Windows
Flush Sash Windows Woking, Guildford & Surrey
Flush sash windows combine the classic look of traditional timber frames with the benefits of modern materials. The window sashes sit flush within the frame, creating a clean, streamlined appearance that suits both period homes and newer builds.
The detail
Why our flush sash windows stand out
Built for durability and energy efficiency, these windows offer excellent thermal performance while requiring minimal maintenance. Unlike timber, uPVC flush sash windows won’t warp, rot, or need repainting, making them a long lasting option. Available in a range of colours, finishes, and glazing options, flush sash windows can be tailored to match your home’s style and budget. Whether you’re in Woking, Guildford, or elsewhere in Surrey, we can supply and install windows that deliver traditional aesthetics with modern performance. Flush sash windows beautifully combine traditional styling with the benefits of modern window technology. While they mimic the timeless appearance of classic timber frames, ideal for heritage properties or conservation areas, they are built using advanced uPVC systems that outperform older materials in insulation, security and lifespan.
- Sash sits flush with the frame
- Authentic woodgrain foils
- Double or triple glazing
- 20+ colours & finishes
- Made to measure
Built to perform
Made for your home, made to last
Timeless Aesthetic & Flush Design
Flush sash windows replicate the sleek, minimalistic look of traditional timber windows by ensuring that the sash sits perfectly level with the outer frame when closed, no protruding surfaces. This creates an elegant, clean appearance with equal sightlines that complement both period and modern architecture.
High Energy Efficiency & Weather Protection
Built with modern uPVC profiles, Imperial Windows’ flush sash range provides outstanding thermal performance. The tight-fitting design, combined with double or triple glazing, results in excellent energy efficiency and reduced heat loss.
Durability, Low Maintenance & Security
Flush sash windows from Imperial Windows are manufactured in high-quality uPVC, offering long-lasting durability. They resist warping, fading and corrosion, making them ideal for the UK climate while requiring only an occasional wipe-down to maintain their appearance.
Configure your flush sash windows
Every window and door we fit is bespoke to your home. Explore the frame colours, glazing and specifications you can choose from.
Choose any of our standard foils and finishes below – inside, out, or a different colour on each side. Aluminium frames are also available in a wide range of colours. Tap a swatch to preview it.
Swatches are an approximate on-screen guide. Ask for physical samples on your free survey.
Every flush sash comes A-rated with energy-efficient double glazing as standard – triple glazing and acoustic glass are available too. For privacy and character, choose from our decorative obscure-glass designs below.
Obscure glass is rated 1–5 for privacy. We''ll help you choose the right level for each room.
- Sash sits flush with the frame
- Authentic woodgrain foils
- Double or triple glazing
- 20+ colours & finishes
- Made to measure
What our customers say
“We are having our windows , front and back doors, facias, soffits, guttering and down pipes replaced. The service we have received is outstanding. From the initial contact with Nick to everything being fitted my Cameron and Alan the service has been excellent. They are such a great local firm with a huge selection of choices for the windows and doors. Would highly recommend. If I could give more than 5 stars I would. Thank you !”
“Alan fitted the doors beautifully, filling the gaps round the doors, before putting the capping on.”
“Love my new front door. Would highly recommend, great price, excellent customer service, 5 stars.”
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