Clean air zones in England: a fleet operator’s guide

Clean air zones in England are local charging schemes that require older, more polluting vehicles to pay a daily charge to drive in a defined area, and as of November 2026 seven are operating. For fleet operators, the practical questions are which zones a route crosses, which vehicle types each zone charges, whether a specific vehicle meets the emission standard, and how payment and exemptions are handled.

This guide explains the four zone classes, lists the charging zones shown on GOV.UK, sets out the minimum Euro standards, describes the national vehicle checker and payment rules, and explains why London’s ULEZ and Scotland’s low emission zones follow separate systems. It draws on the government’s driving in a clean air zone guidance, last updated on 12 February 2026.

How clean air zones work in England

The Clean Air Zone Framework, published by Defra and the Department for Transport and last updated on 6 October 2022, defines a clean air zone as a charging zone and sets the principles councils should follow. Local authorities use powers in Part III of the Transport Act 2000 to make charging schemes, and they decide the boundary, hours and charge levels. The framework says charges should not be set to raise revenue and that surplus income must be reinvested in local transport.

Zones target nitrogen dioxide in places breaching legal limits, so each one exists because modelling showed it was needed to reach compliance quickly. That also means zones are not permanent by design: Greater Manchester, for example, was removed from the GOV.UK list on 18 February 2025 after its review concluded with a non-charging plan.

Zone classes A to D

Each zone has a class that determines which vehicle types are charged. The classes are cumulative, so a higher class includes everything in the classes below it.

• Class A: buses, coaches, taxis and private hire vehicles.
• Class B: Class A vehicles plus heavy goods vehicles.
• Class C: Class B vehicles plus vans and minibuses.
• Class D: Class C vehicles plus cars, with the option for councils to include motorcycles.

The class matters more to fleets than the city name. A van that is non-compliant pays in a Class C or D zone but not in Portsmouth’s Class B zone, while a non-compliant private car is charged only in Class D zones.

Which clean air zones are charging

The GOV.UK guidance lists seven charging zones. Start dates below are as given on that page or its change log.

Charge levels are set locally. For example, Bath and North East Somerset Council’s Bath charges page lists £9 a day for non-compliant vans, taxis, private hire vehicles and minibuses, and £100 a day for non-compliant HGVs, coaches and buses, with cars and most motorcycles not charged. Other councils publish their own tariffs, so fleet teams should check each zone their vehicles enter rather than assume a common rate.

Vehicle standards and how to check a vehicle

Annex A of the framework sets the minimum classes and standards:

• Buses, coaches and HGVs: Euro VI.
• Vans, minibuses, taxis, private hire vehicles and cars: Euro 6 diesel or Euro 4 petrol.
• Motorcycles, where included: Euro 3.

Vehicles with significant zero-emission range are never charged. GOV.UK notes councils may set different standards for taxis and private hire vehicles through licensing. The log book or the manufacturer can confirm a vehicle’s Euro standard, but the reliable test is the government’s online vehicle checker, which uses the registration number. It cannot check vehicles registered outside the UK.

For larger fleets, the same service lets a business create an account and upload a CSV file of registrations to check many vehicles at once. That makes a fleet-wide check practical before route planning or a vehicle replacement decision; our article on joining replacement timing to vehicle and depot plans covers how zone exposure can shape that timing.

Paying, penalties and exemptions

Zones operate 24 hours a day, every day, and the charge period runs from midnight to midnight. Charges can be paid up to six days in advance and must be paid by 11:59pm on the sixth day after entering the zone; a missed payment can lead to a penalty charge notice issued by the council. A single online transaction is capped at £5,000.

National exemptions cover ultra low emission vehicles, vehicles in the disabled and disabled passenger tax classes, military vehicles, historic vehicles, certain agricultural vehicles, and vehicles retrofitted with technology accredited under the Clean Vehicle Retrofit Accreditation Scheme. Councils also run local exemptions and refund processes, which are linked from the GOV.UK page.

London ULEZ and Scotland are different systems

London’s Ultra Low Emission Zone is not a clean air zone and uses a separate checker. Transport for London’s ULEZ page says the zone covers all London boroughs, does not include the M25, operates every day except Christmas Day and carries a £12.50 daily charge for non-compliant cars, motorcycles, vans and specialist vehicles up to 3.5 tonnes, and minibuses up to 5 tonnes. Heavier lorries, buses and coaches do not pay ULEZ but may need to pay the separate London Low Emission Zone charge. Scotland’s low emission zones have their own rules and penalties.

For mixed fleets that work across several cities, the result is three separate compliance checks rather than one. Our piece on allocation policy for mixed fleets sets out how to route compliant vehicles to the work that needs them.

Key points for fleet operators

• Map routes against the seven charging clean air zones and note each zone’s class.
• Run the fleet through the GOV.UK checker by registration, using the bulk upload for larger fleets.
• Treat Euro VI for heavy vehicles and Euro 6 diesel or Euro 4 petrol for lighter vehicles as the baseline.
• Pay within six days of entry, or set up a business account to manage multiple vehicles.
• Check local exemptions and charge levels on each council’s site.
• Run separate checks for London ULEZ and LEZ and for Scottish low emission zones.

Sources

• GOV.UK: Driving in a clean air zone
• GOV.UK: Check if you need to pay to drive in a clean air zone
• GOV.UK: Clean Air Zone Framework for England
• GOV.UK: Clean air zone framework
• GOV.UK: Annex A, clean air zone minimum classes and standards
• Bath and North East Somerset Council: Find out Bath Clean Air Zone charges
• Transport for London: Ultra Low Emission Zone

Sources checked in November 2026. Rules, rates and schemes can change after publication, so check the linked official pages before acting.