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Gallery Image: Internal View of Radius Head 2 over 2 Sash Window
Gallery Image: External View of 1 over 1 Sash Bay
Gallery Image: External View of Casement Bay /w opening Fanlights
Gallery Image: External View of 2 over 2 Double Boxes
Gallery Image: Internal View of Radius Head Sash Bay
Gallery Image: External View of Triple Sash Box /w Corner Lights
Gallery Image: Internal View of Sash Only Replacement in Box Style
Gallery Image: External View of 2 over 2 Radius Head Sash Boxes in Two-Tone Paint
Gallery Image: Close Up of 6 over 6 & 5 over 5 Sash Windows
Gallery Image: Venetian Box - 1 over 1
Gallery Image: Slim-Lite French Doors /w Fixed Sidelights and Fitted Catflap
Gallery Image: 6 over 6 & 5 over 5 Sash Windows, + Circular Casement /w Georgian Bars
Gallery Image: 6 over 6 & 5 over 5 Sash Windows, + Circular Casement /w Georgian Bars
Gallery Image: 6 over 6 & 5 over 5 Sash Windows, + Circular Casement /w Georgian Bars
Gallery Image: 2x French Doors with Georgian Bars (mid installation)
Gallery: Traditional Front Door /w Clear Number in Satin Fanlight
Gallery: Traditional Front Door /w Curved Fanlight
Gallery: Traditional Front Door /w 4 Panels; Top Glazed, Bottom Timber
Gallery: Traditional Front Door /w 3 Panels; Top Glazed, Bottom Single Square Timber
Gallery: Traditional Front Door /w 8 Panels; Decorative Glazed Patterns To Top
Gallery Image: Front Facade /w 2 over 2 Angled Bay and Single 2 over 2 Sashes
Gallery Image: Front Facade /w Double Boxes in Box Style 3
Gallery Image: 4 over 4 Sash Box with Curved Masonry
Gallery Image: French Door /w Thin Stiles and Timber Panels To Bottom
Gallery Image: Internal view of triple casement bay
Gallery Image: External view of front door with timber panelling and satin glass
Gallery Image: Double glazed single back door, with fixed glazed panel
Gallery Image: Internal view of French Doors with Georgian bars and fixed fanlight
Gallery Image: External view of French Doors, with timber panelling to the bottom and Georgian bars on glass.
Gallery Image: Internal view of French Doors leading to London garden
Gallery Image: External view of rounded casement bay installed in Muswell Hill house
Gallery Image: Internal view of rounded casement bay installed in Muswell Hill house
Gallery Image: Internal photo of double casement window
Gallery Image: Sash window with satin glass in bottom sash
Gallery Image: Internal view of French Doors with small timber panelling to the bottom
Gallery Image: Internal photo of new French Doors installed in cottage style kitchen
Gallery Image: Internal view of 1 over 1 sash windows, in modern living room
Gallery Image: Front facade of mansion in Potters Bar, including 2 over 2 sash windows, specially glazed front door, and fixed french doors
Gallery Image: Interior view of Georgian 6 over 6 sash windows installed in Chigwell mansion.
Gallery Image: Internal photo of French Doors with side lights and fixed fanlights
Gallery Image: Internal view of 1 over 1 sash windows, in modern living room
Gallery Image: Long shot of traditional Georgian terrace
Gallery Image: Internal view of square bay with 1 over 1 sash windows, in modern living room
Gallery Image: Internal view of 1 over sash window in house office
Gallery Image: Internal view of 2 over 2 sash window in refurbished kitchen
Gallery Image: Internal view of 1 over 1 sash windows, in modern living room
Gallery Image: Internal view of 1 over 1 sash windows, in modern living room
Gallery Image: External rear facade of Forest Gate home, including sash windows, bifold doors and french doors.
Gallery Image: Internal photo of 2 over 2 sash windows
Gallery Image: Internal photo of sash window bay, muswell hill style
Gallery Image: Internal photo of casement window with glazing bars
Gallery Image: Internal photo of bifold door

For over a decade, Core Sash Windows has been marrying elegant period features with high-performance materials, resulting in a spectacular range of no-compromise products.

Utilising the modern benefits of Engineered Timber and Low-Emissivity double glazing, we can offer any style of wooden sash window, casement or door that can be found in London, allowing you to retain both heat, and your original period aesthetics!

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