4000K Lights

4000K lights offer what many consider to be the ideal balance of cool and warm light. This makes them perfect for a variety of settings as they avoid the harshness of cooler lights (5000K-6500K) while providing better clarity and focus than warmer options (3000K). That means you can use 4000K lighting to create a bright, functional space without it feeling stark or clinical.

Browse through our wide range of 4000K lights, suitable for all your commercial, industrial and residential needs. You can use the filters on the left-hand side of this page to further refine your options depending on your exact requirements.
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  • 18W 4ft LED T5 Under Cabinet Link Light IP20 with switch 1175mm 118W 4ft LED T5 Under Cabinet Link Light IP20 with switch 1175mm 2
    16% off

    18W 4ft LED T5 Under Cabinet Link Light IP20 with switch 1175mm

    £7.43
    £7.43 £8.88
    In stock
    More options
    18W 4ft LED T5 Under Cabinet Link Light IP20 with switch 1175mm 118W 4ft LED T5 Under Cabinet Link Light IP20 with switch 1175mm 2
  • 14W 3ft LED T5 Under Cabinet Link Light IP20 with switch 872mm 114W 3ft LED T5 Under Cabinet Link Light IP20 with switch 872mm 2
    18% off

    14W 3ft LED T5 Under Cabinet Link Light IP20 with switch 872mm

    £6.34
    £6.34 £7.77
    In stock
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    14W 3ft LED T5 Under Cabinet Link Light IP20 with switch 872mm 114W 3ft LED T5 Under Cabinet Link Light IP20 with switch 872mm 214W 3ft LED T5 Under Cabinet Link Light IP20 with switch 872mm 3
  • 9W 2ft LED T5 Under Cabinet Link Light 6000K IP20 with switch 566mm 19W 2ft LED T5 Under Cabinet Link Light 6000K IP20 with switch 566mm 2
    22% off

    9W 2ft LED T5 Under Cabinet Link Light 6000K IP20 with switch 566mm

    £5.28
    £5.28 £6.75
    In stock
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    9W 2ft LED T5 Under Cabinet Link Light 6000K IP20 with switch 566mm 19W 2ft LED T5 Under Cabinet Link Light 6000K IP20 with switch 566mm 29W 2ft LED T5 Under Cabinet Link Light 6000K IP20 with switch 566mm 3
  • 5W 1ft LED T5 Under Cabinet Link Light IP20 with switch 286mm 15W 1ft LED T5 Under Cabinet Link Light IP20 with switch 286mm 2
    19% off

    5W 1ft LED T5 Under Cabinet Link Light IP20 with switch 286mm

    £4.35
    £4.35 £5.39
    In stock
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    5W 1ft LED T5 Under Cabinet Link Light IP20 with switch 286mm 15W 1ft LED T5 Under Cabinet Link Light IP20 with switch 286mm 25W 1ft LED T5 Under Cabinet Link Light IP20 with switch 286mm 3
  • 36W 4ft LED Surface Mounted Linear Fitting IP20 120cm 136W 4ft LED Surface Mounted Linear Fitting IP20 120cm 2
    22% off

    36W 4ft LED Surface Mounted Linear Fitting IP20 120cm

    £11.20
    £11.20 £14.40
    In stock
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    36W 4ft LED Surface Mounted Linear Fitting IP20 120cm 136W 4ft LED Surface Mounted Linear Fitting IP20 120cm 236W 4ft LED Surface Mounted Linear Fitting IP20 120cm 3
  • 48W 4ft LED Tri-proof Batten Linear Fitting IP65 120cm 148W 4ft LED Tri-proof Batten Linear Fitting IP65 120cm 2
    26% off

    48W 4ft LED Tri-proof Batten Linear Fitting IP65 120cm

    £16.42
    £16.42 £22.20
    In stock
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    48W 4ft LED Tri-proof Batten Linear Fitting IP65 120cm 148W 4ft LED Tri-proof Batten Linear Fitting IP65 120cm 248W 4ft LED Tri-proof Batten Linear Fitting IP65 120cm 3
  • 36W 4ft LED Tri-proof Slim Batten Linear Fitting IP65 120cm 136W 4ft LED Tri-proof Slim Batten Linear Fitting IP65 120cm 2
    22% off

    36W 4ft LED Tri-proof Slim Batten Linear Fitting IP65 120cm

    £11.87
    £11.87 £15.30
    In stock
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    36W 4ft LED Tri-proof Slim Batten Linear Fitting IP65 120cm 136W 4ft LED Tri-proof Slim Batten Linear Fitting IP65 120cm 236W 4ft LED Tri-proof Slim Batten Linear Fitting IP65 120cm 3
  • 24W Downlight LED Round Slim Panel Light D300mm 1Downlight Led Round Slim Panel Light 24W 3000K Warm White D300Mm's main image.
    19% off

    24W Downlight LED Round Slim Panel Light D300mm

    £10.79
    £10.79 £13.30
    In stock
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    24W Downlight LED Round Slim Panel Light D300mm 124W Downlight LED Round Slim Panel Light D300mm 1
  • 18W Downlight LED Round Slim Panel Light D220mm 1Downlight Led Round Slim Panel Light 18W 3000K Warm White D220Mm's main image.
    33% off

    18W Downlight LED Round Slim Panel Light D220mm

    £7.21
    £7.21 £10.70
    In stock
    More options
    18W Downlight LED Round Slim Panel Light D220mm 118W Downlight LED Round Slim Panel Light D220mm 1
  • 12W Downlight LED Round Slim Panel Light D170mm 1Downlight Led Round Slim Panel Light 12W 3000K Warm White D170Mm's main image.
    25% off

    12W Downlight LED Round Slim Panel Light D170mm

    £5.99
    £5.99 £7.99
    In stock
    More options
    12W Downlight LED Round Slim Panel Light D170mm 112W Downlight LED Round Slim Panel Light D170mm 4
  • 6W Downlight LED Round Slim Panel Light D120mm 1Downlight Led Round Slim Panel Light 6W 3000K Warm White D120Mm's main image.
    21% off

    6W Downlight LED Round Slim Panel Light D120mm

    £4.20
    £4.20 £5.32
    In stock
    More options
    6W Downlight LED Round Slim Panel Light D120mm 16W Downlight LED Round Slim Panel Light D120mm 1
  • 3W Downlight LED Round Slim Panel Light 3W D85mm 1Downlight Led Round Slim Panel Light 3W 3000K Warm White D85Mm's main image.
    18% off

    3W Downlight LED Round Slim Panel Light 3W D85mm

    £3.51
    £3.51 £4.27
    In stock
    More options
    3W Downlight LED Round Slim Panel Light 3W D85mm 13W Downlight LED Round Slim Panel Light 3W D85mm 163W Downlight LED Round Slim Panel Light 3W D85mm 1

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Here are some frequently asked questions by our customers

What is the colour temperature of 4000K lights?

4000K lights give off a cool white light, which helps create a bright and stimulating environment. This makes them a popular choice for workspaces such as offices, as well as kitchens and bathrooms.

Are 4000K lights energy efficient?

Yes, they are. As with all LED lights, our 4000K lights use far less energy than traditional light sources - which is good news for the planet - while also delivering cost savings - which is good news for your bank balance.

What kinds of 4000K light fixtures are there?

We offer a variety of 4000K light fittings in a range of sizes and styles, from downlights and panel lights to under-cabinet lighting, wall lights, and more. All you have to do is browse our selection and find what you're looking for.