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Lancashire Window

Flush Sash Windows

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Flush Sash Windows in Lancashire

Capture the beauty of traditional timber sash windows without the maintenance. Our premium flush sash windows deliver authentic period charm with modern performance — perfect for homes across Burnley, Blackburn, and Lancashire.

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Traditional Aesthetics

Authentic flush sash style that replicates the look of original timber windows.

Zero Maintenance

uPVC or aluminium frames that look like timber but never need painting.

Modern Performance

A-rated double or triple glazing for outstanding thermal efficiency.

Secure & Safe

Multi-point locking and toughened glass as standard.

What Are Flush Sash Windows?

Flush sash windows sit flush within their outer frame, replicating the classic appearance of traditional timber sash windows. They’re the ideal choice for period homes, conservation areas, and any property where you want to maintain a traditional look while benefiting from modern double glazing performance.

Lancashire Window offers flush sash windows in uPVC and aluminium, available in a wide range of colours and woodgrain effects. We can also add authentic Georgian bars and heritage ironmongery to complete the period look. Contact our team in Burnley today to find out more.

  • ✓Period-authentic appearance — suits conservation areas
  • ✓Available in timber-effect colours — Golden Oak, Rosewood, Irish Oak
  • ✓Georgian bars available — for an authentic heritage look
  • ✓Outstanding thermal performance — A-rated double glazing
  • ✓uPVC or aluminium frames — choose the best material for your home
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Heritage Style, Modern Performance

Our flush sash windows look stunning in period homes while delivering the performance of modern double glazing.

A+
Energy Rating
30yr
Lifespan
Free
Survey

Flush Sash Window Styles

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Classic Flush Sash

Clean, flush profile that sits perfectly within the outer frame

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Georgian Bar

Authentic divided-light bars for a traditional heritage appearance

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Woodgrain Effect

Realistic timber foils including Golden Oak, Rosewood, and Irish Oak

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Tilt Function

Optional tilt mechanism for easy cleaning from inside the home

Frequently Asked Questions

Yes — flush sash windows are often approved in conservation areas where sliding sash windows are also acceptable. However, we recommend checking with your local planning authority before ordering. Our team can advise you during your free survey.
Flush sash windows open outward on a hinge, like a casement window, but are designed to look like a traditional sliding sash from the outside. Sliding sash windows actually slide up and down within the frame. Both styles achieve a period look, but flush sash windows are generally more thermally efficient and easier to operate.
Yes — we offer flush sash windows in a wide range of contemporary colours including Anthracite Grey, Slate Grey, and many others, as well as traditional timber-effect foils.
Yes — Lancashire Window installs flush sash windows across the whole of Lancashire, including Burnley, Blackburn, Nelson, Accrington, Preston, and all surrounding areas.

Get a Free Flush Sash Window Quote

Contact Lancashire Window today for a free home survey and quote. Our team will help you choose the perfect flush sash window style for your property.