{"id":6461,"date":"2025-11-28T14:23:28","date_gmt":"2025-11-28T14:23:28","guid":{"rendered":"https:\/\/www.stoneacre.co.uk\/blog\/?p=6461"},"modified":"2025-11-28T14:23:30","modified_gmt":"2025-11-28T14:23:30","slug":"what-is-a-clean-air-zone","status":"publish","type":"post","link":"https:\/\/www.stoneacre.co.uk\/blog\/what-is-a-clean-air-zone","title":{"rendered":"What is a Clean Air Zone? (CAZ)"},"content":{"rendered":"\n<p>As more UK cities take steps to reduce harmful emissions, drivers are facing new rules about where and how they can travel. Clean Air Zones (CAZ), Low Emission Zones (LEZ) and Ultra Low Emission Zones (ULEZ) are now part of everyday life for many motorists \u2014 and at Stoneacre, we\u2019re here to make sense of it all.<\/p>\n\n\n\n<p>Whether you\u2019re buying your next car, checking if your current vehicle is compliant, or simply want to avoid unexpected charges, this guide will walk you through everything you need to know. We\u2019ve broken down which cities have active zones, which vehicles are exempt, and how these changes could impact you.<\/p>\n\n\n\n<p>Our goal is simple: helping you stay on the road with confidence.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>What Are Clean Air Zones (CAZ)?<\/strong><\/h2>\n\n\n\n<p>Clean Air Zones are areas where local authorities charge higher-polluting vehicles for entering. The aim is to improve air quality by encouraging the use of cleaner, more modern vehicles.<\/p>\n\n\n\n<p>Each CAZ falls into one of four categories:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Class A<\/strong>: Buses, coaches, taxis, private hire vehicles<\/li>\n\n\n\n<li><strong>Class B<\/strong>: Includes A plus HGVs<\/li>\n\n\n\n<li><strong>Class C<\/strong>: Includes B plus vans, minibuses<\/li>\n\n\n\n<li><strong>Class D<\/strong>: Includes C plus <em>cars<\/em> (the strictest)<\/li>\n<\/ul>\n\n\n\n<p>Not every CAZ charges cars \u2014 and that\u2019s where things can get confusing. But don\u2019t worry, we\u2019ll break down exactly which cities do and don\u2019t.<\/p>\n\n\n\n<div class=\"wp-block-media-text has-media-on-the-right is-stacked-on-mobile\"><div class=\"wp-block-media-text__content\">\n<h2 class=\"wp-block-heading\"><strong>Clean Air Zones in the UK (2025 Update)<\/strong><\/h2>\n\n\n\n<p>Here\u2019s where CAZ schemes are currently operating:<\/p>\n\n\n\n<p><strong>Active Clean Air Zones<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Bath<\/strong> \u2013 Class C<\/li>\n\n\n\n<li><strong>Birmingham<\/strong> \u2013 Class D (charges apply to cars)<\/li>\n\n\n\n<li><strong>Bradford<\/strong> \u2013 Class C<\/li>\n\n\n\n<li><strong>Bristol<\/strong> \u2013 Class D<\/li>\n\n\n\n<li><strong>Portsmouth<\/strong> \u2013 Class B (no charge for private cars)<\/li>\n\n\n\n<li><strong>Sheffield<\/strong> \u2013 Class C (cars exempt)<\/li>\n\n\n\n<li><strong>Tyneside (Newcastle &amp; Gateshead)<\/strong> \u2013 Class C<\/li>\n<\/ul>\n\n\n\n<p>Greater Manchester was previously expected to launch a charging CAZ, but this has now been replaced with a <em>non-charging<\/em> clean air plan.<\/p>\n\n\n\n<p>These zones can affect everything from commuting costs to vehicle choice, especially if you regularly travel through multiple cities.<\/p>\n<\/div><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"650\" height=\"450\" src=\"https:\/\/www.stoneacre.co.uk\/blog\/wp-content\/uploads\/2023\/02\/t.png\" alt=\"Map of the UK showing CAZ, ULEZ and LEZ\" class=\"wp-image-23838 size-full\" srcset=\"https:\/\/www.stoneacre.co.uk\/blog\/wp-content\/uploads\/2023\/02\/t.png 650w, https:\/\/www.stoneacre.co.uk\/blog\/wp-content\/uploads\/2023\/02\/t-300x208.png 300w\" sizes=\"auto, (max-width: 650px) 100vw, 650px\" \/><\/figure><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>London: LEZ &amp; ULEZ Explained<\/strong><\/h2>\n\n\n\n<p>London operates the largest and most complex emissions zones in the UK, and understanding them is essential for anyone visiting or travelling across the capital.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Low Emission Zone (LEZ)<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Covers most of Greater London<\/li>\n\n\n\n<li>Affects mainly <strong>heavy vehicles<\/strong> such as lorries, buses and coaches<\/li>\n\n\n\n<li>Charges apply to non-compliant commercial vehicles<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Ultra Low Emission Zone (ULEZ)<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Applies to <strong>cars, vans, motorbikes, taxis and commercial vehicles<\/strong><\/li>\n\n\n\n<li>Expanded in 2023 to cover <strong>all London boroughs<\/strong><\/li>\n\n\n\n<li>Daily charges apply for non-compliant vehicles<\/li>\n<\/ul>\n\n\n\n<p>Because ULEZ now covers such a large area, owners of older petrol and diesel vehicles may find themselves needing to upgrade \u2014 which is where Stoneacre is ready to help.<\/p>\n\n\n\n<div class=\"wp-block-media-text is-stacked-on-mobile\"><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"650\" height=\"450\" src=\"https:\/\/www.stoneacre.co.uk\/blog\/wp-content\/uploads\/2023\/02\/Scottish-CAZ.png\" alt=\"Scottish CAZ\" class=\"wp-image-23835 size-full\" srcset=\"https:\/\/www.stoneacre.co.uk\/blog\/wp-content\/uploads\/2023\/02\/Scottish-CAZ.png 650w, https:\/\/www.stoneacre.co.uk\/blog\/wp-content\/uploads\/2023\/02\/Scottish-CAZ-300x208.png 300w\" sizes=\"auto, (max-width: 650px) 100vw, 650px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<h2 class=\"wp-block-heading\"><strong>Scottish Low Emission Zones (LEZ)<\/strong><\/h2>\n\n\n\n<p>Scotland has its own LEZ network, and these work differently to England\u2019s CAZ. Instead of charging non-compliant vehicles, Scotland simply <strong>bans<\/strong> them from entering.<\/p>\n\n\n\n<p>Cities with LEZ schemes:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Glasgow<\/strong> \u2013 Fully enforced<\/li>\n\n\n\n<li><strong>Edinburgh<\/strong> \u2013 Enforcement from 2024\/2025<\/li>\n\n\n\n<li><strong>Dundee<\/strong> \u2013 Enforcement started in 2024<\/li>\n\n\n\n<li><strong>Aberdeen<\/strong> \u2013 Enforcement started in 2024<\/li>\n<\/ul>\n\n\n\n<p>If your vehicle doesn\u2019t meet the required standard, you won\u2019t be able to drive in these areas at all.<\/p>\n<\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>What Emission Standard Does My Vehicle Need to Meet?<\/strong><\/h2>\n\n\n\n<p>The most common question we hear at Stoneacre is: <em>\u201cIs my vehicle compliant?\u201d<\/em><\/p>\n\n\n\n<p>Here\u2019s a simple breakdown:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Petrol Vehicles<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Must be <strong>Euro 4<\/strong> or newer<\/li>\n\n\n\n<li>Usually registered <strong>2005\/06 onwards<\/strong><\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button has-icon__arrow-right\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.stoneacre.co.uk\/search?filter[fuel_types]=Petrol\">View our Petrol Vehicles<span class=\"wp-block-button__link-icon\" aria-hidden=\"true\"><svg viewBox='0 0 16 11' xmlns='http:\/\/www.w3.org\/2000\/svg'><polygon points='0 4.7 13.1180124 4.7 9.44099379 1 10.4347826 0 16 5.5 10.4347826 11 9.44099379 10 13.1180124 6.3 0 6.3'><\/polygon><\/svg><\/span><\/a><\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Diesel Vehicles<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Must be <strong>Euro 6<\/strong><\/li>\n\n\n\n<li>Generally registered <strong>September 2015 onwards<\/strong><\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button has-icon__arrow-right\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.stoneacre.co.uk\/search?filter[fuel_types]=Diesel\">View our Diesel Vehicles<span class=\"wp-block-button__link-icon\" aria-hidden=\"true\"><svg viewBox='0 0 16 11' xmlns='http:\/\/www.w3.org\/2000\/svg'><polygon points='0 4.7 13.1180124 4.7 9.44099379 1 10.4347826 0 16 5.5 10.4347826 11 9.44099379 10 13.1180124 6.3 0 6.3'><\/polygon><\/svg><\/span><\/a><\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Motorcycles<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Must be <strong>Euro 3<\/strong><\/li>\n\n\n\n<li>Typically <strong>2007 onwards<\/strong><\/li>\n<\/ul>\n\n\n\n<p>These standards apply across most CAZ, ULEZ and LEZ areas.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Vehicles Automatically Exempt<\/strong><\/h3>\n\n\n\n<p>Some vehicles qualify for <strong>national exemptions<\/strong> and will not be charged regardless of the zone:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Fully electric vehicles (EVs)<\/strong><\/li>\n\n\n\n<li>Vehicles registered in the <strong>disabled tax class<\/strong><\/li>\n\n\n\n<li><strong>Historic vehicles<\/strong> (40+ years old)<\/li>\n\n\n\n<li><strong>Agricultural or farm vehicles<\/strong><\/li>\n\n\n\n<li><strong>Military vehicles<\/strong><\/li>\n\n\n\n<li>Vehicles retrofitted to an approved standard (CVRAS)<\/li>\n<\/ul>\n\n\n\n<p>Stoneacre customers often ask whether<a href=\"https:\/\/www.stoneacre.co.uk\/search?filter[fuel_types]=Hybrid+Diesel,Hybrid+Petrol,Mild+Hybrid+Petrol,Plug-in+Hybrid+Diesel,Plug-in+Hybrid+Petrol\"> hybrids<\/a> are exempt \u2014 the answer is <strong>only if they meet the required Euro standard<\/strong>, just like petrol or diesel vehicles.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button has-icon__arrow-right\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.stoneacre.co.uk\/search?filter[fuel_types]=Electric\">Browse our EVs<span class=\"wp-block-button__link-icon\" aria-hidden=\"true\"><svg viewBox='0 0 16 11' xmlns='http:\/\/www.w3.org\/2000\/svg'><polygon points='0 4.7 13.1180124 4.7 9.44099379 1 10.4347826 0 16 5.5 10.4347826 11 9.44099379 10 13.1180124 6.3 0 6.3'><\/polygon><\/svg><\/span><\/a><\/div>\n<\/div>\n\n\n\n<figure class=\"wp-block-image alignright size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"450\" height=\"250\" src=\"https:\/\/www.stoneacre.co.uk\/blog\/wp-content\/uploads\/2023\/02\/Clean-Air-Zones.png\" alt=\"Clean Air Zones\" class=\"wp-image-23836\" srcset=\"https:\/\/www.stoneacre.co.uk\/blog\/wp-content\/uploads\/2023\/02\/Clean-Air-Zones.png 450w, https:\/\/www.stoneacre.co.uk\/blog\/wp-content\/uploads\/2023\/02\/Clean-Air-Zones-300x167.png 300w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>How Clean Air Zones Affect Drivers<\/strong><\/h2>\n\n\n\n<p>These zones affect motorists in several ways:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>1. Running Costs<\/strong><\/h3>\n\n\n\n<p>If your vehicle isn\u2019t compliant, daily CAZ or ULEZ charges can quickly add up \u2014 sometimes costing hundreds of pounds per month.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>2. Vehicle Choice<\/strong><\/h3>\n\n\n\n<p>More drivers are choosing <strong>ULEZ-compliant petrol cars<\/strong>, <strong>Euro 6 diesel cars<\/strong>, or <strong>fully electric cars<\/strong>. These vehicles hold their value better in 2025 and are often cheaper to run in urban areas.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>3. Business &amp; Fleet Impact<\/strong><\/h3>\n\n\n\n<p>Businesses using vans or commercial vehicles may face significantly higher costs if their fleet isn\u2019t compliant. Many firms are switching to Euro 6 vans or electric alternatives to avoid charges.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>4. Resale Value<\/strong><\/h3>\n\n\n\n<p>Older diesel vehicles, especially pre-Euro 6 models, have seen a decrease in demand. At Stoneacre, we help customers understand their best options, including part-exchange and upgrade deals.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button has-icon__arrow-right\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.stoneacre.co.uk\/enquiry\/car-valuation\/enter-your-reg\">Check your part-exchange valuation with Stoneacre<span class=\"wp-block-button__link-icon\" aria-hidden=\"true\"><svg viewBox='0 0 16 11' xmlns='http:\/\/www.w3.org\/2000\/svg'><polygon points='0 4.7 13.1180124 4.7 9.44099379 1 10.4347826 0 16 5.5 10.4347826 11 9.44099379 10 13.1180124 6.3 0 6.3'><\/polygon><\/svg><\/span><\/a><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>How Stoneacre Can Help You Stay Compliant<\/strong><\/h2>\n\n\n\n<p>At Stoneacre, we know that navigating clean air rules can feel overwhelming. That\u2019s why our friendly teams across the UK are here to support you every step of the way.<\/p>\n\n\n\n<p>We can help you:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Check if your current vehicle is CAZ or ULEZ compliant<\/strong><\/li>\n\n\n\n<li><strong>Find affordable ULEZ-friendly petrol or diesel cars<\/strong><\/li>\n\n\n\n<li><strong>Discover electric and hybrid options<\/strong><\/li>\n\n\n\n<li><strong>Use part-exchange to upgrade older vehicles<\/strong><\/li>\n\n\n\n<li><strong>Choose the best car for city driving<\/strong><\/li>\n\n\n\n<li><strong>Find business-friendly solutions for commercial fleets<\/strong><\/li>\n<\/ul>\n\n\n\n<p>Whether you&#8217;re upgrading for cost savings, environmental reasons or new travel needs, our expert advice makes the process simple and stress-free.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Final Thoughts<\/strong><\/h2>\n\n\n\n<p>Clean Air Zones, LEZ and ULEZ aren\u2019t going anywhere \u2014 in fact, they\u2019re shaping the future of UK driving. While the rules may feel complicated at first, understanding them helps you make smarter, more cost-effective decisions.<\/p>\n\n\n\n<p>At Stoneacre, our friendly teams are here to help you stay compliant, save money and enjoy a better driving experience in 2025 and beyond.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>FAQs: Clean Air Zones, LEZ &amp; ULEZ<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>1. What is a Clean Air Zone (CAZ)?<\/strong><\/h3>\n\n\n\n<p>A Clean Air Zone is an area where higher-polluting vehicles may be charged for entering. The aim is to improve air quality by encouraging cleaner, lower-emission vehicles.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>2. Which cities in the UK have a Clean Air Zone in 2025?<\/strong><\/h3>\n\n\n\n<p>The following cities currently operate a charging CAZ:<br><strong>Bath, Birmingham, Bradford, Bristol, Portsmouth, Sheffield<\/strong>, and <strong>Tyneside (Newcastle &amp; Gateshead)<\/strong>.<br>London and several Scottish cities also have LEZ or ULEZ schemes.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>3. Does ULEZ apply to cars?<\/strong><\/h3>\n\n\n\n<p>Yes. In London, the ULEZ applies to <strong>cars, vans, motorbikes, taxis, and light commercial vehicles<\/strong>. Non-compliant vehicles must pay a daily charge.<\/p>\n\n\n\n<figure class=\"wp-block-image alignright size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"450\" height=\"250\" src=\"https:\/\/www.stoneacre.co.uk\/blog\/wp-content\/uploads\/2023\/02\/London-ULEZ.png\" alt=\"London Clean Air Zone\" class=\"wp-image-23840\" srcset=\"https:\/\/www.stoneacre.co.uk\/blog\/wp-content\/uploads\/2023\/02\/London-ULEZ.png 450w, https:\/\/www.stoneacre.co.uk\/blog\/wp-content\/uploads\/2023\/02\/London-ULEZ-300x167.png 300w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>4. How do I know if my vehicle is ULEZ or CAZ compliant?<\/strong><\/h3>\n\n\n\n<p>You can check using your vehicle&#8217;s emission standard:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Petrol<\/strong>: Euro 4 or newer (approx. 2005\/06 onwards)<\/li>\n\n\n\n<li><strong>Diesel<\/strong>: Euro 6 (approx. 2015 onwards)<br>You can also use the government\u2019s registration checker or ask a Stoneacre advisor \u2014 we\u2019re happy to check for you.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>5. What happens if my vehicle is not compliant?<\/strong><\/h3>\n\n\n\n<p>Non-compliant vehicles may face <strong>daily charges<\/strong> when driving in CAZ, LEZ or ULEZ areas. In Scotland\u2019s LEZs, non-compliant vehicles may be <strong>prohibited entirely<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>6. Are electric vehicles exempt from CAZ and ULEZ charges?<\/strong><\/h3>\n\n\n\n<p>Yes! Fully electric vehicles (EVs) are <strong>automatically exempt<\/strong>, making them a popular choice for drivers who regularly travel in restricted areas.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>7. Are hybrid cars exempt from ULEZ?<\/strong><\/h3>\n\n\n\n<p>Hybrids are <strong>not automatically exempt<\/strong> \u2014 they must meet the same Euro emissions standards as petrol or diesel cars. Many modern hybrids do qualify.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">8<strong>. What is the difference between a CAZ, LEZ and ULEZ?<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>CAZ<\/strong> \u2013 Charge applies to non-compliant vehicles (varies by class).<\/li>\n\n\n\n<li><strong>LEZ<\/strong> \u2013 Typically affects heavier vehicles like HGVs, buses and coaches.<\/li>\n\n\n\n<li><strong>ULEZ<\/strong> \u2013 Applies to most vehicles, including cars and vans; has strict standards.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>9. Will Greater Manchester have a Clean Air Zone?<\/strong><\/h3>\n\n\n\n<p>No. The proposed charging CAZ has been cancelled. The region is now following a <strong>non-charging clean air plan<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>10. Should I upgrade my car because of ULEZ or CAZ?<\/strong><\/h3>\n\n\n\n<p class=\"has-text-align-left\">If you regularly travel into affected cities, upgrading to a compliant petrol, diesel or electric vehicle can save you money. Stoneacre can help you explore your options and make the right choice.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>As more UK cities take steps to reduce harmful emissions, drivers are facing new rules about where and how they can travel. Clean Air Zones (CAZ), Low Emission Zones (LEZ) and Ultra Low Emission Zones (ULEZ) are now part of everyday life for many motorists \u2014 and at Stoneacre, we\u2019re here to make sense of [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":6488,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4,15],"tags":[],"class_list":["post-6461","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-advice-centre","category-driving-tips"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What is a Clean Air Zone? (CAZ) - Stoneacre Motor Group<\/title>\n<meta name=\"description\" content=\"What is a Clean Air Zone and how will it affect travelling to cities such as Birmingham? 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