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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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uPVC Window Sill or Fascia Cover Board White 9mm - Home Improvement Supplies Ltd

White - uPVC Window Sill or Fascia Cover Board 9mm

£0.00 Incl. Vat - £0.00 Incl. Vat
£0.00 Incl. Vat
£11.64 Incl. Vat - £65.53 Incl. Vat
£11.64 Incl. Vat - £65.53 Incl. Vat
£11.64 Incl. Vat

Window Sill or Fascia Cover Board White 9mm PVC window boards provide a neat, clean and dry means of finishing around window and door reveals. This...

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£0.00 Incl. Vat - £0.00 Incl. Vat
£0.00 Incl. Vat
£11.64 Incl. Vat - £65.53 Incl. Vat
£11.64 Incl. Vat - £65.53 Incl. Vat
£11.64 Incl. Vat

Anthracite Grey - uPVC Window sill or Fascia Cover Board 9mm

£39.55 Incl. Vat - £79.94 Incl. Vat
£39.55 Incl. Vat - £79.94 Incl. Vat
£39.55 Incl. Vat - £79.94 Incl. Vat
£39.55 Incl. Vat

Window Sill or Fascia Cover Board 9mm Anthracite Grey PVC window boards provide a neat, clean and dry means of finishing around window and door rev...

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£39.55 Incl. Vat - £79.94 Incl. Vat
£39.55 Incl. Vat - £79.94 Incl. Vat
£39.55 Incl. Vat - £79.94 Incl. Vat
£39.55 Incl. Vat
uPVC Window Sill or Fascia Cover Board 9mm Rosewood - Home Improvement Supplies Ltd

Rosewood - uPVC Window Sill or Fascia Cover Board 9mm

£0.00 Incl. Vat - £0.00 Incl. Vat
£0.00 Incl. Vat
£39.55 Incl. Vat - £79.94 Incl. Vat
£39.55 Incl. Vat - £79.94 Incl. Vat
£39.55 Incl. Vat

Window Sill or Fascia Cover Board 9mm Rosewood PVC window boards provide a neat, clean and dry means of finishing around window and door reveals. T...

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£0.00 Incl. Vat - £0.00 Incl. Vat
£0.00 Incl. Vat
£39.55 Incl. Vat - £79.94 Incl. Vat
£39.55 Incl. Vat - £79.94 Incl. Vat
£39.55 Incl. Vat
Save up to 25% Save %

BlackGrain - uPVC Window Sill or Fascia Cover Board 9mm

£26.38 Incl. Vat - £106.60 Incl. Vat
£26.38 Incl. Vat - £106.60 Incl. Vat
£26.38 Incl. Vat
£19.79 Incl. Vat - £79.94 Incl. Vat
£19.79 Incl. Vat - £79.94 Incl. Vat
£19.79 Incl. Vat

Window Sill or Fascia Cover Board 9mm Blackgrain PVC window boards provide a neat, clean and dry means of finishing around window and door reveals....

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£26.38 Incl. Vat - £106.60 Incl. Vat
£26.38 Incl. Vat - £106.60 Incl. Vat
£26.38 Incl. Vat
£19.79 Incl. Vat - £79.94 Incl. Vat
£19.79 Incl. Vat - £79.94 Incl. Vat
£19.79 Incl. Vat
Save up to 25% Save %
Window Cill Cover Board End Cap 300mm - Home Improvement Supplies Ltd

Window Cill Cover Board End Cap 300mm

£0.00 Incl. Vat - £0.00 Incl. Vat
£0.00 Incl. Vat
£2.24 Incl. Vat - £7.91 Incl. Vat
£2.24 Incl. Vat - £7.91 Incl. Vat
£2.24 Incl. Vat

Window Cill Cover Board End Cap 300mm

£0.00 Incl. Vat - £0.00 Incl. Vat
£0.00 Incl. Vat
£2.24 Incl. Vat - £7.91 Incl. Vat
£2.24 Incl. Vat - £7.91 Incl. Vat
£2.24 Incl. Vat
A Pair of 150mm External Window Sill End Caps White - Home Improvement Supplies Ltd

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 - Home Improvement Supplies Ltd

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

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

100mm x 9mm White Multi Purpose Board Double Edged.

£11.11 Incl. Vat - £22.21 Incl. Vat
£11.11 Incl. Vat - £22.21 Incl. Vat
£11.11 Incl. Vat - £22.21 Incl. Vat
£11.11 Incl. Vat

100mm x 9mm White Multi Purpose Board Double edged.

£11.11 Incl. Vat - £22.21 Incl. Vat
£11.11 Incl. Vat - £22.21 Incl. Vat
£11.11 Incl. Vat - £22.21 Incl. Vat
£11.11 Incl. Vat

150mm x 9mm White Multi Purpose Board Double Edged.

£18.00 Incl. Vat - £36.00 Incl. Vat
£18.00 Incl. Vat - £36.00 Incl. Vat
£18.00 Incl. Vat - £36.00 Incl. Vat
£18.00 Incl. Vat

150mm x 9mm White Multi Purpose  Board Double edged.

£18.00 Incl. Vat - £36.00 Incl. Vat
£18.00 Incl. Vat - £36.00 Incl. Vat
£18.00 Incl. Vat - £36.00 Incl. Vat
£18.00 Incl. Vat

200mm x 9mm White Multi Purpose Board Double Edged.

£24.00 Incl. Vat - £47.75 Incl. Vat
£24.00 Incl. Vat - £47.75 Incl. Vat
£24.00 Incl. Vat - £47.75 Incl. Vat
£24.00 Incl. Vat

200mm x 9mm White Multi Purpose  Board Double edged.

£24.00 Incl. Vat - £47.75 Incl. Vat
£24.00 Incl. Vat - £47.75 Incl. Vat
£24.00 Incl. Vat - £47.75 Incl. Vat
£24.00 Incl. Vat
uPVC Window Sill or Fascia Cover Board White 9mm - Home Improvement Supplies Ltd

White uPVC Fascia Capping Board Reveal liner - 150mm x 5m x 9mm

£0.00 Incl. Vat - £0.00 Incl. Vat
£0.00 Incl. Vat
£23.28 Incl. Vat
£23.28 Incl. Vat - £23.28 Incl. Vat
£23.28 Incl. Vat

Window Sill or Fascia Capping Board White 9mm PVC window boards provide a neat, clean and dry means of finishing around window and door reveals. Th...

View full details
£0.00 Incl. Vat - £0.00 Incl. Vat
£0.00 Incl. Vat
£23.28 Incl. Vat
£23.28 Incl. Vat - £23.28 Incl. Vat
£23.28 Incl. Vat
uPVC Window Sill or Fascia Cover Board White 9mm - Home Improvement Supplies Ltd

White uPVC Fascia Capping Board Reveal liner - 175mm x 5m x 9mm

£0.00 Incl. Vat - £0.00 Incl. Vat
£0.00 Incl. Vat
£23.28 Incl. Vat
£23.28 Incl. Vat - £23.28 Incl. Vat
£23.28 Incl. Vat

Window Sill or Fascia Capping Board White 9mm PVC window boards provide a neat, clean and dry means of finishing around window and door reveals. Th...

View full details
£0.00 Incl. Vat - £0.00 Incl. Vat
£0.00 Incl. Vat
£23.28 Incl. Vat
£23.28 Incl. Vat - £23.28 Incl. Vat
£23.28 Incl. Vat
uPVC Window Sill or Fascia Cover Board White 9mm - Home Improvement Supplies Ltd

White uPVC Fascia Capping Board Reveal liner - 200mm x 5m x 9mm

£0.00 Incl. Vat - £0.00 Incl. Vat
£0.00 Incl. Vat
£23.28 Incl. Vat
£23.28 Incl. Vat - £23.28 Incl. Vat
£23.28 Incl. Vat

Window Sill or Fascia Capping Board White 9mm PVC window boards provide a neat, clean and dry means of finishing around window and door reveals. Th...

View full details
£0.00 Incl. Vat - £0.00 Incl. Vat
£0.00 Incl. Vat
£23.28 Incl. Vat
£23.28 Incl. Vat - £23.28 Incl. Vat
£23.28 Incl. Vat