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Window Sills & Cover Boards

Our Window Sills Cover Boards collection offers a durable and stylish solution for enhancing and protecting your interior and exterior window sills. Made from high-quality uPVC, these window sill covers are designed to provide a clean, modern finish while eliminating the need for painting or regular maintenance. Easy to install and available in a variety of sizes and finishes, they’re perfect for covering existing window sills or creating a sleek new look. 

Available in Black, White, Anthracite Grey and Rosewood

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Rosewood - uPVC Window Sill or Fascia Cover Board 9mm

Rosewood UPVC Capping Boards – 9mm, 2.5m & 5m Lengths

£0.00 Incl. Vat - £0.00 Incl. Vat
£0.00 Incl. Vat
From £25.99 Incl. Vat
£25.99 Incl. Vat - £79.99 Incl. Vat
£25.99 Incl. Vat

These rosewood-effect 9mm UPVC capping boards are designed to be installed over existing timber fascias, offering a low-maintenance alternative to ...

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£0.00 Incl. Vat - £0.00 Incl. Vat
£0.00 Incl. Vat
From £25.99 Incl. Vat
£25.99 Incl. Vat - £79.99 Incl. Vat
£25.99 Incl. Vat
A Pair of 150mm External Window Sill End Caps White

A Pair of 150mm External Window Sill End Caps White

£0.00 Incl. Vat - £0.00 Incl. Vat
£0.00 Incl. Vat
£0.82 Incl. Vat
£0.82 Incl. Vat - £0.82 Incl. Vat
£0.82 Incl. Vat

A Pair of 150mm External Window Sill End Caps White 150mm End Caps

£0.00 Incl. Vat - £0.00 Incl. Vat
£0.00 Incl. Vat
£0.82 Incl. Vat
£0.82 Incl. Vat - £0.82 Incl. Vat
£0.82 Incl. Vat
240mm 3mm White Window Sill Cover Board Reveal Liner 2.5m

240mm 3mm White Window Sill Cover Board Reveal Liner 2.5m

£0.00 Incl. Vat - £0.00 Incl. Vat
£0.00 Incl. Vat
From £32.40 Incl. Vat
£32.40 Incl. Vat - £64.80 Incl. Vat
£32.40 Incl. Vat

240mm 3mm Thick White Window Sill Cover Board Reveal Liner 2.5m or 5m PVC window boards provide a neat, clean and dry means of finishing around win...

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£0.00 Incl. Vat - £0.00 Incl. Vat
£0.00 Incl. Vat
From £32.40 Incl. Vat
£32.40 Incl. Vat - £64.80 Incl. Vat
£32.40 Incl. Vat
Window Cill With End Cap And Channel 1027mm x 225mm Save 50% Save %

Window Cill With End Cap And Channel 1027mm x 225mm

£10.00 Incl. Vat
£10.00 Incl. Vat - £10.00 Incl. Vat
£10.00 Incl. Vat
£5.00 Incl. Vat
£5.00 Incl. Vat - £5.00 Incl. Vat
£5.00 Incl. Vat

This uPVC window cill offers a clean, professional finish for external windows, complete with matching end caps and a channel for easy installation...

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£10.00 Incl. Vat
£10.00 Incl. Vat - £10.00 Incl. Vat
£10.00 Incl. Vat
£5.00 Incl. Vat
£5.00 Incl. Vat - £5.00 Incl. Vat
£5.00 Incl. Vat
Save 50% Save %