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UPVC Window Cill and Trims

Discover our premium UPVC window cills and trims designed to enhance both the look and durability of your windows. Available in multiple widths, lengths and finishes — including smooth, woodgrain and classic colours — our products deliver weather-resistant performance with minimal maintenance. Ideal for replacing old or damaged parts, or for new projects where style and strength matter. Each sill and trim is engineered to resist fading and tackle the elements, while giving your windows a refined, clean finish.

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  • Anthracite Grey Smooth External Window Cill Left Face (6m length)
    £159.83 - £159.83
    £159.83
    £159.83 - £159.83
    £159.83

    Anthracite Grey Smooth External Window Cill Left Face 125mm (6m length)

    Our Rosewood premium-quality cills are designed for durability and long-lasting performance. Made from uPVC with a pressure-laminated finish, they...

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    £159.83 - £159.83
    £159.83
    £159.83 - £159.83
    £159.83
  • Anthracite Grey Smooth uPVC Window Cill End Caps (Pack of 2) 150mm
    £1.22 - £1.22
    £1.22
    £1.22 - £1.22
    £1.22

    Anthracite Grey Smooth uPVC Window Cill End Caps (Pack of 2) 150mm

    Designed to seamlessly match all of our window profiles, these high-quality uPVC window cills provide a sleek and durable finish to any installati...

    View full details
    £1.22 - £1.22
    £1.22
    £1.22 - £1.22
    £1.22
  • Anthracite Grey Smooth uPVC Window Cill End Caps (Pack of 2) 180mm
    £1.34 - £1.34
    £1.34
    £1.34 - £1.34
    £1.34

    Anthracite Grey Smooth uPVC Window Cill End Caps (Pack of 2) 180mm

    Designed to seamlessly match all of our window profiles, these high-quality uPVC window cills provide a sleek and durable finish to any installati...

    View full details
    £1.34 - £1.34
    £1.34
    £1.34 - £1.34
    £1.34
  • £5.08 - £5.08
    £5.08
    £5.08 - £5.08
    £5.08

    Anthracite Grey uPVC Window Cill End Caps 125mm (Pack of 2)

    Our Anthracite Grey uPVC Window Cill End Caps provide a neat, professional finish to the ends of window cills, protecting against moisture ingress...

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    £5.08 - £5.08
    £5.08
    £5.08 - £5.08
    £5.08
  • Anthracite Grey Smooth External Window Cill Left Face (6m length)
    £87.56 - £87.56
    £87.56
    £87.56 - £87.56
    £87.56

    Anthracite Grey Woodgrain External Window Cill Left Face 125mm (6m length)

    Our Rosewood premium-quality cills are designed for durability and long-lasting performance. Made from uPVC with a pressure-laminated finish, they...

    View full details
    £87.56 - £87.56
    £87.56
    £87.56 - £87.56
    £87.56
  • Anthracite Grey Smooth External Window Cill Left Face (6m length)
    £248.69 - £248.69
    £248.69
    £248.69 - £248.69
    £248.69

    Anthracite Grey Woodgrain External Window Cill Left Face 150mm (6m length)

    Our Rosewood premium-quality cills are designed for durability and long-lasting performance. Made from uPVC with a pressure-laminated finish, they...

    View full details
    £248.69 - £248.69
    £248.69
    £248.69 - £248.69
    £248.69
  • Anthracite Grey Smooth External Window Cill Left Face (6m length)
    £133.68 - £133.68
    £133.68
    £133.68 - £133.68
    £133.68

    Anthracite Grey Woodgrain External Window Cill Left Face 180mm (6m length)

    Our Rosewood premium-quality cills are designed for durability and long-lasting performance. Made from uPVC with a pressure-laminated finish, they...

    View full details
    £133.68 - £133.68
    £133.68
    £133.68 - £133.68
    £133.68
  • Anthracite Grey Smooth External Window Cill Left Face (6m length)
    £174.80 - £174.80
    £174.80
    £174.80 - £174.80
    £174.80

    Anthracite Grey Woodgrain External Window Cill Left Face 225mm (6m length)

    Our Rosewood premium-quality cills are designed for durability and long-lasting performance. Made from uPVC with a pressure-laminated finish, they...

    View full details
    £174.80 - £174.80
    £174.80
    £174.80 - £174.80
    £174.80
  • Anthracite Grey Smooth External Window Cill Left Face (6m length)
    £87.71 - £87.71
    £87.71
    £87.71 - £87.71
    £87.71

    Anthracite Grey Woodgrain External Window Cill Left Face 85mm (6m length)

    Our Rosewood premium-quality cills are designed for durability and long-lasting performance. Made from uPVC with a pressure-laminated finish, they...

    View full details
    £87.71 - £87.71
    £87.71
    £87.71 - £87.71
    £87.71
  • Anthracite Grey Woodgrain uPVC Window Cill End Caps (Pack of 2) 225mm
    £6.04 - £6.04
    £6.04
    £6.04 - £6.04
    £6.04

    Anthracite Grey Woodgrain uPVC Window Cill End Caps (Pack of 2) 225mm

    Designed to seamlessly match all of our window profiles, these high-quality uPVC window cills provide a sleek and durable finish to any installati...

    View full details
    £6.04 - £6.04
    £6.04
    £6.04 - £6.04
    £6.04
  • Anthracite Grey Woodgrain uPVC Window Cil
    £248.69 - £248.69
    £248.69
    £248.69 - £248.69
    £248.69

    Anthracite Grey Woodgrain uPVC Window Cill Left Face 150mm (6m Length)

    Enhance your windows with the uPVC Window Cill, designed to provide durability and a clean finish. These pressure-laminated cills are resistant to ...

    View full details
    £248.69 - £248.69
    £248.69
    £248.69 - £248.69
    £248.69
  • Black Ash Woodgrain External Window Cill Both Faces 150mm
    £115.29 - £115.29
    £115.29
    £115.29 - £115.29
    £115.29

    Black Ash Woodgrain External Window Cill Both Faces 150mm (6m length)

    Our Black Ash premium-quality cills are designed for durability and long-lasting performance. Made from uPVC with a pressure-laminated finish, the...

    View full details
    £115.29 - £115.29
    £115.29
    £115.29 - £115.29
    £115.29
  • Black Ash Woodgrain External Window Cill Both Faces 150mm
    £115.29 - £115.29
    £115.29
    £115.29 - £115.29
    £115.29

    Black Ash Woodgrain External Window Cill Left Face 150mm (6m length)

    Our Black Ash premium-quality cills are designed for durability and long-lasting performance. Made from uPVC with a pressure-laminated finish, the...

    View full details
    £115.29 - £115.29
    £115.29
    £115.29 - £115.29
    £115.29
  • Black Ash Woodgrain External Window Cill Both Faces 150mm
    £133.68 - £133.68
    £133.68
    £133.68 - £133.68
    £133.68

    Black Ash Woodgrain External Window Cill Left Face 180mm (6m length)

    Our Black Ash premium-quality cills are designed for durability and long-lasting performance. Made from uPVC with a pressure-laminated finish, the...

    View full details
    £133.68 - £133.68
    £133.68
    £133.68 - £133.68
    £133.68
  • Black Ash Woodgrain External Window Cill Both Faces 150mm
    £174.80 - £174.80
    £174.80
    £174.80 - £174.80
    £174.80

    Black Ash Woodgrain External Window Cill Left Face 225mm (6m length)

    Our Black Ash premium-quality cills are designed for durability and long-lasting performance. Made from uPVC with a pressure-laminated finish, the...

    View full details
    £174.80 - £174.80
    £174.80
    £174.80 - £174.80
    £174.80
  • Black Ash Woodgrain uPVC Window Cill
    £87.71 - £87.71
    £87.71
    £87.71 - £87.71
    £87.71

    Black Ash Woodgrain uPVC Window Cill Left Face 85mm (6m Length)

    Enhance your windows with the uPVC Window Cill, designed to provide durability and a clean finish. Available in a variety of sizes, including 85mm,...

    View full details
    £87.71 - £87.71
    £87.71
    £87.71 - £87.71
    £87.71
  • £4.23 - £4.23
    £4.23
    £4.23 - £4.23
    £4.23

    Brown Smooth uPVC Window Cill 135° Joint Trim 150mm

    Ensure a seamless and secure connection between window cills with our uPVC Window Cill Straight Joint Trim. Designed for use with our window cills...

    View full details
    £4.23 - £4.23
    £4.23
    £4.23 - £4.23
    £4.23
  • £5.95 - £5.95
    £5.95
    £5.95 - £5.95
    £5.95

    Brown Smooth uPVC Window Cill 90° External Joint Trim 150mm

    Create a flawless connection between window cills with our uPVC Window Cill Joint Trim, designed for seamless and secure installations. Specifical...

    View full details
    £5.95 - £5.95
    £5.95
    £5.95 - £5.95
    £5.95
  • Brown Smooth uPVC Window Cill End Caps (Pack of 2) 180mm
    £1.34 - £1.34
    £1.34
    £1.34 - £1.34
    £1.34

    Brown Smooth uPVC Window Cill End Caps (Pack of 2) 180mm

    Designed to seamlessly match all of our window profiles, these high-quality uPVC window cills provide a sleek and durable finish to any installati...

    View full details
    £1.34 - £1.34
    £1.34
    £1.34 - £1.34
    £1.34
  • Brown Smooth uPVC Window Cill End Caps
    £1.17 - £1.17
    £1.17
    £1.17 - £1.17
    £1.17

    Brown Smooth uPVC Window Cill End Caps (Pack of 2) 85mm

    Designed to seamlessly match all of our window profiles, these high-quality uPVC window cills provide a sleek and durable finish to any installati...

    View full details
    £1.17 - £1.17
    £1.17
    £1.17 - £1.17
    £1.17
  • uPVC Window Cill Straight Joint Trim
    £4.58 - £4.58
    £4.58
    £4.58 - £4.58
    £4.58

    Brown Smooth uPVC Window Cill Straight Joint Trim 150mm

    Enhance your window installations with our White Smooth uPVC Window Cill Straight Joint Trim, designed for durability, flexibility, and ease of us...

    View full details
    £4.58 - £4.58
    £4.58
    £4.58 - £4.58
    £4.58
  • £3.30 - £3.30
    £3.30
    £3.30 - £3.30
    £3.30

    Brown uPVC Window Board Long End Caps 37mm (300mm Length)

    Our Brown uPVC Window Board Long End Caps provide a neat and attractive finish for the ends of window boards, whether square or bullnose. Made fro...

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    £3.30 - £3.30
    £3.30
    £3.30 - £3.30
    £3.30
  • Cream Smooth uPVC Window Cill End Caps (Pack of 2) 180mm
    £2.39 - £2.39
    £2.39
    £2.39 - £2.39
    £2.39

    Cream Smooth uPVC Window Cill End Caps (Pack of 2) 150mm

    Designed to seamlessly match all of our window profiles, these high-quality uPVC window cills provide a sleek and durable finish to any installati...

    View full details
    £2.39 - £2.39
    £2.39
    £2.39 - £2.39
    £2.39
  • Cream Smooth uPVC Window Cill End Caps (Pack of 2) 180mm
    £2.39 - £2.39
    £2.39
    £2.39 - £2.39
    £2.39

    Cream Smooth uPVC Window Cill End Caps (Pack of 2) 180mm

    Designed to seamlessly match all of our window profiles, these high-quality uPVC window cills provide a sleek and durable finish to any installati...

    View full details
    £2.39 - £2.39
    £2.39
    £2.39 - £2.39
    £2.39
  • Cream White Woodgrain External Window Cill Left Face
    £174.80 - £174.80
    £174.80
    £174.80 - £174.80
    £174.80

    Cream White Woodgrain External Window Cill Left Face 225mm (6m length)

    Our Cream White premium-quality cills are designed for durability and long-lasting performance. Made from uPVC with a pressure-laminated finish, t...

    View full details
    £174.80 - £174.80
    £174.80
    £174.80 - £174.80
    £174.80
  • uPVC Window Cill 135° Joint Trim 150mm
    £4.23 - £4.23
    £4.23
    £4.23 - £4.23
    £4.23

    Golden Oak Caramel Smooth uPVC Window Cill 135° Joint Trim 150mm

    Ensure a seamless and secure connection between window cills with our uPVC Window Cill Straight Joint Trim. Designed for use with our window cills...

    View full details
    £4.23 - £4.23
    £4.23
    £4.23 - £4.23
    £4.23
  • uPVC Window Cill 90° External Joint Trim 150mm
    £5.95 - £5.95
    £5.95
    £5.95 - £5.95
    £5.95

    Golden Oak Caramel Smooth uPVC Window Cill 90° External Joint Trim 150mm

    Create a flawless connection between window cills with our uPVC Window Cill Joint Trim, designed for seamless and secure installations. Specifical...

    View full details
    £5.95 - £5.95
    £5.95
    £5.95 - £5.95
    £5.95
  • Golden Oak Caramel Smooth uPVC Window Cill End Caps (Pack of 2) 180mm
    £1.34 - £1.34
    £1.34
    £1.34 - £1.34
    £1.34

    Golden Oak Caramel Smooth uPVC Window Cill End Caps (Pack of 2) 180mm

    Designed to seamlessly match all of our window profiles, these high-quality uPVC window cills provide a sleek and durable finish to any installati...

    View full details
    £1.34 - £1.34
    £1.34
    £1.34 - £1.34
    £1.34
  • Golden Oak Caramel Smooth uPVC Window Cill End Caps
    £1.17 - £1.17
    £1.17
    £1.17 - £1.17
    £1.17

    Golden Oak Caramel Smooth uPVC Window Cill End Caps (Pack of 2) 85mm

    Designed to seamlessly match all of our window profiles, these high-quality uPVC window cills provide a sleek and durable finish to any installati...

    View full details
    £1.17 - £1.17
    £1.17
    £1.17 - £1.17
    £1.17
  • uPVC Window Cill Straight Joint Trim
    £4.58 - £4.58
    £4.58
    £4.58 - £4.58
    £4.58

    Golden Oak Caramel Smooth uPVC Window Cill Straight Joint Trim 150mm

    Enhance your window installations with our White Smooth uPVC Window Cill Straight Joint Trim, designed for durability, flexibility, and ease of us...

    View full details
    £4.58 - £4.58
    £4.58
    £4.58 - £4.58
    £4.58
  • Golden Oak Smooth uPVC Window Cill End Caps (Pack of 2) 150mm
    £1.22 - £1.22
    £1.22
    £1.22 - £1.22
    £1.22

    Golden Oak Smooth uPVC Window Cill End Caps (Pack of 2) 150mm

    Designed to seamlessly match all of our window profiles, these high-quality uPVC window cills provide a sleek and durable finish to any installati...

    View full details
    £1.22 - £1.22
    £1.22
    £1.22 - £1.22
    £1.22
  • Golden Oak Woodgrain uPVC Window Cill
    £115.29 - £115.29
    £115.29
    £115.29 - £115.29
    £115.29

    Golden Oak Woodgrain uPVC Window Cill Both Faces 150mm (6m Length)

    Enhance your windows with the uPVC Window Cill, designed to provide durability and a clean finish. These pressure-laminated cills are resistant to ...

    View full details
    £115.29 - £115.29
    £115.29
    £115.29 - £115.29
    £115.29
  • Golden Oak Woodgrain uPVC Window Cill
    £133.68 - £133.68
    £133.68
    £133.68 - £133.68
    £133.68

    Golden Oak Woodgrain uPVC Window Cill Both Faces 180mm (6m Length)

    Enhance your windows with the uPVC Window Cill, designed to provide durability and a clean finish. These pressure-laminated cills are resistant to ...

    View full details
    £133.68 - £133.68
    £133.68
    £133.68 - £133.68
    £133.68
  • Golden Oak Woodgrain uPVC Window Cill
    £87.71 - £87.71
    £87.71
    £87.71 - £87.71
    £87.71

    Golden Oak Woodgrain uPVC Window Cill Both Faces 85mm (6m Length)

    Enhance your windows with the uPVC Window Cill, designed to provide durability and a clean finish. These pressure-laminated cills are resistant to ...

    View full details
    £87.71 - £87.71
    £87.71
    £87.71 - £87.71
    £87.71
  • Golden Oak Woodgrain uPVC Window Cill
    £115.29 - £115.29
    £115.29
    £115.29 - £115.29
    £115.29

    Golden Oak Woodgrain uPVC Window Cill Left Face 150mm (6m Length)

    Enhance your windows with the uPVC Window Cill, designed to provide durability and a clean finish. These pressure-laminated cills are resistant to ...

    View full details
    £115.29 - £115.29
    £115.29
    £115.29 - £115.29
    £115.29
  • Golden Oak Woodgrain uPVC Window Cill
    £133.68 - £133.68
    £133.68
    £133.68 - £133.68
    £133.68

    Golden Oak Woodgrain uPVC Window Cill Left Face 180mm (6m Length)

    Enhance your windows with the uPVC Window Cill, designed to provide durability and a clean finish. These pressure-laminated cills are resistant to ...

    View full details
    £133.68 - £133.68
    £133.68
    £133.68 - £133.68
    £133.68
  • Golden Oak Woodgrain uPVC Window Cill
    £87.71 - £87.71
    £87.71
    £87.71 - £87.71
    £87.71

    Golden Oak Woodgrain uPVC Window Cill Left Face 85mm (6m Length)

    Enhance your windows with the uPVC Window Cill, designed to provide durability and a clean finish. These pressure-laminated cills are resistant to ...

    View full details
    £87.71 - £87.71
    £87.71
    £87.71 - £87.71
    £87.71
  • Irish Oak Woodgrain uPVC Window Cill
    £126.84 - £126.84
    £126.84
    £126.84 - £126.84
    £126.84

    Irish Oak Woodgrain uPVC Window Cill Both Faces 150mm (6m Length)

    Enhance your windows with the uPVC Window Cill, designed to provide durability and a clean finish. These pressure-laminated cills are resistant to ...

    View full details
    £126.84 - £126.84
    £126.84
    £126.84 - £126.84
    £126.84
  • Irish Oak Woodgrain uPVC Window Cill
    £248.69 - £248.69
    £248.69
    £248.69 - £248.69
    £248.69

    Irish Oak Woodgrain uPVC Window Cill Left Face 150mm (6m Length)

    Enhance your windows with the uPVC Window Cill, designed to provide durability and a clean finish. These pressure-laminated cills are resistant to ...

    View full details
    £248.69 - £248.69
    £248.69
    £248.69 - £248.69
    £248.69
  • Matt Black Smooth uPVC Window Cill End Cap
    £1.22 - £1.22
    £1.22
    £1.22 - £1.22
    £1.22

    Matt Black Smooth uPVC Window Cill End Caps (Pack of 2) 150mm

    Designed to seamlessly match all of our window profiles, these high-quality uPVC window cills provide a sleek and durable finish to any installati...

    View full details
    £1.22 - £1.22
    £1.22
    £1.22 - £1.22
    £1.22
  • Matt Black Smooth uPVC Window Cill End Cap
    £1.34 - £1.34
    £1.34
    £1.34 - £1.34
    £1.34

    Matt Black Smooth uPVC Window Cill End Caps (Pack of 2) 180mm

    Designed to seamlessly match all of our window profiles, these high-quality uPVC window cills provide a sleek and durable finish to any installati...

    View full details
    £1.34 - £1.34
    £1.34
    £1.34 - £1.34
    £1.34
  • Rosewood External Window Cill Both Faces (6m length)
    £122.90 - £122.90
    £122.90
    £122.90 - £122.90
    £122.90

    Rosewood External Window Cill Both Faces 150mm (6m length)

    Our Rosewood premium-quality cills, available in 85mm and 150mm widths, are designed for durability and long-lasting performance. Made from uPVC w...

    View full details
    £122.90 - £122.90
    £122.90
    £122.90 - £122.90
    £122.90
  • Rosewood External Window Cill Both Faces (6m length)
    £87.71 - £87.71
    £87.71
    £87.71 - £87.71
    £87.71

    Rosewood External Window Cill Both Faces 85mm (6m length)

    Our Rosewood premium-quality cills, available in 85mm and 150mm widths, are designed for durability and long-lasting performance. Made from uPVC w...

    View full details
    £87.71 - £87.71
    £87.71
    £87.71 - £87.71
    £87.71
  • Rosewood External Window Cill Left Face (6m length)
    £86.90 - £86.90
    £86.90
    £86.90 - £86.90
    £86.90

    Rosewood External Window Cill Left Face 125mm (6m length)

    Our Rosewood premium-quality cills, available in 85mm, 125mm, 150mm, 180mm and 22mm widths, are designed for durability and long-lasting performan...

    View full details
    £86.90 - £86.90
    £86.90
    £86.90 - £86.90
    £86.90
  • Rosewood External Window Cill Left Face (6m length)
    £115.29 - £115.29
    £115.29
    £115.29 - £115.29
    £115.29

    Rosewood External Window Cill Left Face 150mm (6m length)

    Our Rosewood premium-quality cills, available in 85mm, 125mm, 150mm, 180mm and 22mm widths, are designed for durability and long-lasting performan...

    View full details
    £115.29 - £115.29
    £115.29
    £115.29 - £115.29
    £115.29
  • Rosewood External Window Cill Left Face (6m length)
    £133.68 - £133.68
    £133.68
    £133.68 - £133.68
    £133.68

    Rosewood External Window Cill Left Face 180mm (6m length)

    Our Rosewood premium-quality cills, available in 85mm, 125mm, 150mm, 180mm and 22mm widths, are designed for durability and long-lasting performan...

    View full details
    £133.68 - £133.68
    £133.68
    £133.68 - £133.68
    £133.68
  • Rosewood External Window Cill Left Face (6m length)
    £174.80 - £174.80
    £174.80
    £174.80 - £174.80
    £174.80

    Rosewood External Window Cill Left Face 225mm (6m length)

    Our Rosewood premium-quality cills, available in 85mm, 125mm, 150mm, 180mm and 22mm widths, are designed for durability and long-lasting performan...

    View full details
    £174.80 - £174.80
    £174.80
    £174.80 - £174.80
    £174.80
  • Rosewood External Window Cill Left Face (6m length)
    £87.71 - £87.71
    £87.71
    £87.71 - £87.71
    £87.71

    Rosewood External Window Cill Left Face 85mm (6m length)

    Our Rosewood premium-quality cills, available in 85mm, 125mm, 150mm, 180mm and 22mm widths, are designed for durability and long-lasting performan...

    View full details
    £87.71 - £87.71
    £87.71
    £87.71 - £87.71
    £87.71

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