# ULEZ and UK clean air zones explained > Cars & motoring · Last updated 4 July 2026 Canonical HTML: https://moneyguide.org.uk/cars-motoring/ulez-and-clean-air-zones/ Markdown mirror: https://moneyguide.org.uk/cars-motoring/ulez-and-clean-air-zones.md ## Quick answer ULEZ in London and clean air zones in cities such as Birmingham and Bristol charge non-compliant vehicles a daily fee to drive within the zone — compliance depends on emissions standards, not the age of the car alone. Clean air zones aim to cut pollution by discouraging the most polluting vehicles from city centres. London's Ultra Low Emission Zone is the best known, but several English cities operate similar schemes with different boundaries and exemptions. This guide explains how to check compliance and what each trip might cost. ## Key facts - Petrol cars generally need Euro 4 (usually 2006 onward) or later; diesel cars need Euro 6 (usually 2015 onward) to be compliant in most zones - London ULEZ operates 24 hours a day, every day of the year, with a daily charge per non-compliant vehicle - Charges apply per calendar day you drive in the zone — not per entry if you stay within it - Blue Badge holders, some disabled-tax vehicles and historic vehicles may qualify for exemptions or discounts — check each scheme ## How to check if your vehicle is compliant Use the official vehicle checker on gov.uk or Transport for London's site by entering your registration number. Do not rely on car age alone — some older cars were built to later standards and some newer imports are non-compliant. Petrol hybrids and plug-in hybrids are compliant if they meet the petrol Euro standard. Fully electric vehicles are generally compliant because they produce no tailpipe emissions. If you are buying a car for city driving, verify compliance before you purchase — a cheap older diesel may cost more in daily charges than a slightly pricier compliant petrol car. ## London ULEZ and other zones London's ULEZ covers most roads within the Greater London boundary. The daily charge applies from midnight to midnight if your vehicle does not meet standards. Payment is via TfL's website, app or auto-pay — late payment risks penalties. Birmingham, Bristol, Bradford, Sheffield and other cities run clean air zones or similar schemes with their own boundaries, charge levels and exemption lists. Scottish LEZ schemes in Edinburgh, Glasgow, Aberdeen and Dundee apply to diesel cars that do not meet Euro 6 standards. Signs mark zone entry points. Satellite navigation does not always show CAZ boundaries — check maps on official websites before unfamiliar journeys. ## Reducing costs and planning trips Park outside the zone and use public transport for the final leg if you only occasionally visit city centres. Some Park & Ride sites sit outside charging areas. If you must drive a non-compliant vehicle regularly, compare the annual charge total against upgrading your car or using a car club with compliant vehicles. Motorcycles and mopeds have separate rules in London — many meet ULEZ standards but check your registration. ## Frequently asked questions ### Do I pay both ULEZ and the Congestion Charge? Central London trips may attract both the Congestion Charge and ULEZ if you enter both zones in a non-compliant or chargeable vehicle. They are separate fees. ### What if I forget to pay? Pay as soon as possible — penalties increase over time. TfL and other authorities offer limited grace periods but do not rely on them. ### Are residents discounted? London offered a residents' grace period for non-compliant vehicles registered at addresses inside the zone — check TfL for current transitional rules as policies change. ## Primary source https://www.gov.uk/clean-air-zones ## Related - [ULEZ glossary term](https://moneyguide.org.uk/glossary/ulez/) - [Electric car home charging costs](https://moneyguide.org.uk/cars-motoring/electric-car-home-charging-costs/) - [Cars & motoring guide](https://moneyguide.org.uk/cars-motoring/) --- Independent UK money guidance from [Money Guide](https://moneyguide.org.uk). Information only — not regulated financial advice.