Back Boxes & Pattress Boxes
Our back boxes and pattress boxes provide secure, durable mounting for electrical outlets, sockets, and switches, ensuring safe and reliable installations. Designed for easy fitting and long-lasting performance, these boxes are an essential component for residential, commercial, and industrial electrical setups.
At WME, you’ll find flush metal back boxes, surface pattress boxes, and other electrical installation accessories from brands such as Knightsbridge, Adastra and Ajax. Pair them with switches, sockets, and cable management solutions for a complete, professional finish.
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Thermoset Res.£ 6 24RRP: £6.70WME Pro Plan priceGet Pro Now£5.49 12% off25 Years WarrantyFast delivery Mon, 15 Jun
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Robust Design£ 9 15RRP: £9.81WME Pro Plan priceGet Pro Now£8.05 12% off25 Years WarrantyFast delivery Mon, 15 Jun
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Knightsbridge: SN1400, Single 25mm Pattress Box, White, Square Edge, Thermoset Resin, IP20
IP20 Rated£ 9 58RRP: £10.06WME Pro Plan priceGet Pro Now£8.43 12% off25 Years WarrantyFast delivery Mon, 15 Jun
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Knightsbridge: SN1400P, 29mm PVC Surface Box, Trunking Knockouts, IP20, High Impact Design
Impact Resistant£ 9 29RRP: £10.00WME Pro Plan priceGet Pro Now£8.18 12% off25 Years WarrantyFast delivery Mon, 15 Jun
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IP20 Rated£ 6 17RRP: £6.61WME Pro Plan priceGet Pro Now£5.43 12% off25 Years WarrantyFast delivery Mon, 15 Jun
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Earth Terminal£ 10 53RRP: £11.31WME Pro Plan priceGet Pro Now£9.27 12% off25 Years WarrantyFast delivery Mon, 15 Jun
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Knightsbridge: SN1600, Double Pattress Box, 47mm, Earth Terminal, White, Thermoset Resin, IP20
Safety First£ 9 87RRP: £10.61WME Pro Plan priceGet Pro Now£8.69 12% off25 Years WarrantyFast delivery Mon, 15 Jun
Save £0.90
Knightsbridge: SN1610, Single 47mm Pattress Box, White, IP20, Thermoset Resin, Pack of 10
Bulk Pack Save£ 12 20RRP: £13.10WME Pro Plan priceGet Pro Now£10.74 12% off25 Years WarrantyFast delivery Mon, 15 Jun
Save £0.93
Knightsbridge: SN1700, Single 35mm Pattress Box, Thermoset Resin, IP20, White, with Earth Terminal
Earth Terminal£ 12 49RRP: £13.42WME Pro Plan priceGet Pro Now£10.99 12% off25 Years WarrantyFast delivery Mon, 15 Jun
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Safe Wiring£ 7 26RRP: £7.80WME Pro Plan priceGet Pro Now£6.39 12% off25 Years WarrantyFast delivery Mon, 15 Jun
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BS 5733 Certified£ 6 24RRP: £6.70WME Pro Plan priceGet Pro Now£5.49 12% off25 Years WarrantyFast delivery Mon, 15 Jun
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Knightsbridge: SN8370, 35mm Single Dry Lining Box, White PVC, 10 Pack, BS 5733 Certified
BS 5733 Certified£ 5 08RRP: £5.50WME Pro Plan priceGet Pro Now£4.47 12% off25 Years WarrantyFast delivery Mon, 15 Jun
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Knightsbridge: SN8375, 34mm Round Dry Lining Box, White PVC, 2 x 20mm Knockouts, BS 5733 Certified
BS 5733 Certified£ 6 10RRP: £6.55WME Pro Plan priceGet Pro Now£5.37 12% off25 Years WarrantyFast delivery Mon, 15 Jun
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Knightsbridge: SN8380, 35mm Double Dry Lining Box, White PVC, BS 5733 Certified, 10 Pack
BS5733 Certified£ 7 84RRP: £8.23WME Pro Plan priceGet Pro Now£6.90 12% off25 Years WarrantyFast delivery Mon, 15 Jun
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Knightsbridge: SN8381, 47mm Single Dry Lining Box, White PVC, 20mm Knockout, BS 5733 Certified
BS 5733 Cert.£ 6 10RRP: £6.55WME Pro Plan priceGet Pro Now£5.37 12% off25 Years WarrantyFast delivery Mon, 15 Jun
Save £0.56
Knightsbridge: SN8382, 47mm Double Dry Lining Box, White PVC, BS 5733 Certified, 10 Pack
BS 5733 Certified£ 7 84RRP: £8.40WME Pro Plan priceGet Pro Now£6.90 12% off25 Years WarrantyFast delivery Mon, 15 Jun
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Durable Design£ 19 17RRP: £20.29WME Pro Plan priceGet Pro Now£16.87 12% off25 Years WarrantyFast delivery Mon, 15 Jun
Save £1.32
IP20 Rated£ 19 17RRP: £20.49WME Pro Plan priceGet Pro Now£16.87 12% off25 Years WarrantyFast delivery Mon, 15 Jun
Save £1.52
Knightsbridge: SN8410, 20A Junction Box, 4-Terminal, Compact, White, Urea, 230V, IP20
Compact Design£ 19 47RRP: £20.99WME Pro Plan priceGet Pro Now£17.13 12% off25 Years WarrantyFast delivery Mon, 15 Jun
Save £1.43
Knightsbridge: SN8410B, 20A Junction Box, 4-Terminal, Thermoset Resin, 59mm Diameter, IP20
Compact Design£ 19 47RRP: £20.90WME Pro Plan priceGet Pro Now£17.13 12% off25 Years WarrantyFast delivery Mon, 15 Jun
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Robust Safety£ 12 20RRP: £13.10WME Pro Plan priceGet Pro Now£10.74 12% off25 Years WarrantyFast delivery Mon, 15 Jun
Save £0.90
Knightsbridge: SN8420B, 20A Junction Box 4-Terminal, 79mm Diameter, Black Urea, IP20, 230V
Durable Urea£ 12 20RRP: £13.10WME Pro Plan priceGet Pro Now£10.74 12% off25 Years WarrantyFast delivery Mon, 15 Jun
Save £1.20
Compact Design£ 16 12RRP: £17.32WME Pro Plan priceGet Pro Now£14.19 12% off25 Years WarrantyFast delivery Mon, 15 Jun
Save £2.09
Knightsbridge: SN8460, 20A Junction Box, 6-Terminal, White, IP20, Urea Construction, 89mm Diameter
6-Terminal£ 19 90RRP: £21.99WME Pro Plan priceGet Pro Now£17.51 12% off25 Years WarrantyFast delivery Mon, 15 Jun
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Mercury: 429.920UK, Weatherproof Electrical Box, IP55 Rated, Durable Housing
Weatherproof£ 1 59RRP: £1.70WME Pro Plan priceGet Pro Now£1.40 12% offFast delivery Mon, 15 Jun
Save £0.06
Mercury: 429.923UK, Single Surface Back Box, 1 Gang, 25mm, White, Pack of 20
Reliable£ 0 82RRP: £0.88WME Pro Plan priceGet Pro Now£0.72 12% offFast delivery Mon, 15 Jun
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Save £0.46
Thermoset Res.£ 6 24RRP: £6.7025 Years WarrantyFast delivery Mon, 15 Jun
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Save £0.66
Robust Design£ 9 15RRP: £9.8125 Years WarrantyFast delivery Mon, 15 Jun
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Save £0.48
Knightsbridge: SN1400, Single 25mm Pattress Box, White, Square Edge, Thermoset Resin, IP20
IP20 Rated£ 9 58RRP: £10.0625 Years WarrantyFast delivery Mon, 15 Jun -
Save £0.71
Knightsbridge: SN1400P, 29mm PVC Surface Box, Trunking Knockouts, IP20, High Impact Design
Impact Resistant£ 9 29RRP: £10.0025 Years WarrantyFast delivery Mon, 15 Jun -
Save £0.44
IP20 Rated£ 6 17RRP: £6.6125 Years WarrantyFast delivery Mon, 15 Jun
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Save £0.78
Earth Terminal£ 10 53RRP: £11.3125 Years WarrantyFast delivery Mon, 15 Jun
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Save £0.74
Knightsbridge: SN1600, Double Pattress Box, 47mm, Earth Terminal, White, Thermoset Resin, IP20
Safety First£ 9 87RRP: £10.6125 Years WarrantyFast delivery Mon, 15 Jun -
Save £0.90
Knightsbridge: SN1610, Single 47mm Pattress Box, White, IP20, Thermoset Resin, Pack of 10
Bulk Pack Save£ 12 20RRP: £13.1025 Years WarrantyFast delivery Mon, 15 Jun -
Save £0.93
Knightsbridge: SN1700, Single 35mm Pattress Box, Thermoset Resin, IP20, White, with Earth Terminal
Earth Terminal£ 12 49RRP: £13.4225 Years WarrantyFast delivery Mon, 15 Jun -
Save £0.54
Safe Wiring£ 7 26RRP: £7.8025 Years WarrantyFast delivery Mon, 15 Jun
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Save £0.46
BS 5733 Certified£ 6 24RRP: £6.7025 Years WarrantyFast delivery Mon, 15 Jun
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Save £0.42
Knightsbridge: SN8370, 35mm Single Dry Lining Box, White PVC, 10 Pack, BS 5733 Certified
BS 5733 Certified£ 5 08RRP: £5.5025 Years WarrantyFast delivery Mon, 15 Jun -
Save £0.45
Knightsbridge: SN8375, 34mm Round Dry Lining Box, White PVC, 2 x 20mm Knockouts, BS 5733 Certified
BS 5733 Certified£ 6 10RRP: £6.5525 Years WarrantyFast delivery Mon, 15 Jun -
Save £0.39
Knightsbridge: SN8380, 35mm Double Dry Lining Box, White PVC, BS 5733 Certified, 10 Pack
BS5733 Certified£ 7 84RRP: £8.2325 Years WarrantyFast delivery Mon, 15 Jun -
Save £0.45
Knightsbridge: SN8381, 47mm Single Dry Lining Box, White PVC, 20mm Knockout, BS 5733 Certified
BS 5733 Cert.£ 6 10RRP: £6.5525 Years WarrantyFast delivery Mon, 15 Jun -
Save £0.56
Knightsbridge: SN8382, 47mm Double Dry Lining Box, White PVC, BS 5733 Certified, 10 Pack
BS 5733 Certified£ 7 84RRP: £8.4025 Years WarrantyFast delivery Mon, 15 Jun -
Save £1.12
Durable Design£ 19 17RRP: £20.2925 Years WarrantyFast delivery Mon, 15 Jun
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Save £1.32
IP20 Rated£ 19 17RRP: £20.4925 Years WarrantyFast delivery Mon, 15 Jun
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Save £1.52
Knightsbridge: SN8410, 20A Junction Box, 4-Terminal, Compact, White, Urea, 230V, IP20
Compact Design£ 19 47RRP: £20.9925 Years WarrantyFast delivery Mon, 15 Jun -
Save £1.43
Knightsbridge: SN8410B, 20A Junction Box, 4-Terminal, Thermoset Resin, 59mm Diameter, IP20
Compact Design£ 19 47RRP: £20.9025 Years WarrantyFast delivery Mon, 15 Jun -
Save £0.90
Robust Safety£ 12 20RRP: £13.1025 Years WarrantyFast delivery Mon, 15 Jun
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Save £0.90
Knightsbridge: SN8420B, 20A Junction Box 4-Terminal, 79mm Diameter, Black Urea, IP20, 230V
Durable Urea£ 12 20RRP: £13.1025 Years WarrantyFast delivery Mon, 15 Jun -
Save £1.20
Compact Design£ 16 12RRP: £17.3225 Years WarrantyFast delivery Mon, 15 Jun
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Save £2.09
Knightsbridge: SN8460, 20A Junction Box, 6-Terminal, White, IP20, Urea Construction, 89mm Diameter
6-Terminal£ 19 90RRP: £21.9925 Years WarrantyFast delivery Mon, 15 Jun -
Save £0.11
Mercury: 429.920UK, Weatherproof Electrical Box, IP55 Rated, Durable Housing
Weatherproof£ 1 59RRP: £1.70Fast delivery Mon, 15 Jun -
Save £0.06
Mercury: 429.923UK, Single Surface Back Box, 1 Gang, 25mm, White, Pack of 20
Reliable£ 0 82RRP: £0.88Fast delivery Mon, 15 Jun