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FREE DELIVERY ON ORDERS OVER £350.00
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Traditional Sash Styling with Modern Performance

Traditional Sash Styling with Modern Performance

Our bespoke mock sliding sash casement windows are designed to replicate the timeless appearance of traditional timber sash windows whilst incorporating the practicality and performance of a modern casement opening system. Combining classic proportions, authentic detailing and modern construction methods, these windows are ideal for homeowners seeking traditional character without the complexity of a true box sash window.

Suitable for both period and contemporary properties, our mock sash windows are regularly specified for home extensions, self-build projects, replacement timber windows and traditional-style new builds. Features such as deep bottom rails, decorative sash horns and traditional glazing bar layouts help recreate the appearance of a classic sliding sash whilst maintaining excellent thermal efficiency and straightforward everyday operation.

Bespoke Mock Sash Casement Windows

Bespoke Mock Sash Casement Windows

Every mock sliding sash window is manufactured to order in our UK workshop using high-quality engineered timber, modern glazing systems and precision joinery techniques designed for long-term durability and weather resistance. Available in both flush and stormproof casement configurations, each window can be tailored to suit the exact style and requirements of your property.

A wide range of bespoke options are available including decorative glazing bars, heritage detailing, factory-applied paint and stain finishes, acoustic and safety glazing, and premium hardware finishes. Our mock sash windows are designed to deliver the traditional aesthetics of classic timber sash windows whilst benefiting from the reliability, ventilation and performance of modern casement window systems.

FAQ

Mock Sash windows

What are mock sash windows?

Mock sash windows are modern windows designed to look like traditional timber sash windows but operate like standard casement. They offer the classic sash aesthetic without the sliding mechanism.

How do mock sash windows differ from real sash windows?

Real sash windows slide vertically using weights or springs. Mock sash windows do not slide; instead, they open on hinges while maintaining a similar external appearance.

Do you offer double and triple glazing?

Yes, both options are available depending on your performance requirements.

Are mock sash windows suitable for period or heritage homes?

Yes — they are a popular choice for Victorian, Edwardian, and Georgian‑style properties. They replicate the traditional look while meeting modern insulation and security standards.

Are mock sash windows cheaper than real sash windows?

Generally, yes. They cost less to manufacture and install because they don’t require the complex sliding mechanism of true sash windows.

Do you deliver nationwide?

Yes, delivery is available across the UK.