Replacing a whole headlight unit usually costs between £50 and £400 on most cars, while LED or xenon units on some cars can cost £700 or more. The price depends mainly on the type of headlight and your make and model.
If only the bulb has gone, you can compare car bulb replacement prices instead.
Headlight job | Typical UK cost |
|---|---|
Headlight unit replacement, most cars | £50 to £400 |
Sealed LED or xenon units on some cars | £700 or more |
Typical UK costs based on published industry estimates as of 8th October 2026. Prices are representative figures only as costs vary depending on your make and model, the parts used and your chosen garage. Enter your reg and postcode to compare labour rates from local garages.
A blown bulb can usually be replaced on its own, but the whole headlight unit may need replacing if:
• The lens or casing is cracked, chipped or smashed
• The seal has failed, so condensation keeps coming back
• Your car has sealed headlight units (some LED and some xenon headlights are made this way), so a failed light can't be fixed with a new bulb.
You can replace just one headlight, but if you only replace one, it needs to match the other. In the MOT, headlights that are meant to be a matched pair must be the same shape, size and colour.
You might need your headlights checking if you notice any of the following:
• Flickering or dim headlights
• The headlights won't turn on
• Condensation inside the headlight
• A cloudy or yellowed lens
• Visible headlight damage
A headlight problem can be down to the bulb, the wiring or the unit itself, so it's worth getting it checked as soon as you notice an issue. You can also check your car lights yourself.
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