Output Area (2021) to County and Unitary Authority (April 2025) Best Fit Lookup in EW

<p><span style='background-color:rgb(255,255,255); color:rgb(0,0,0); font-family:&quot;Avenir Next W01&quot;, &quot;Avenir Next W00&quot;, &quot;Avenir Next&quot;, Avenir, &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; font-size:17px;'><span style='border:0px solid currentcolor; box-sizing:border-box; font-style:normal; font-variant-caps:normal; font-variant-ligatures:normal; font-weight:400; letter-spacing:normal; line-height:1.5; max-width:100%; text-align:start; text-decoration-color:initial; text-decoration-style:initial; text-indent:0px; text-transform:none; word-spacing:0px;'>A lookup between 2021 Output Areas (OA) and County and Unitary Authorities (CTYUA) (Counties, Unitary Authorities, Metropolitan Districts and London Boroughs) as at 1st April 2025 in England and Wales. (File Size 6.1 MB).</span></span></p><div style='background-color:rgb(255, 255, 255); border:0px solid currentcolor; box-sizing:border-box; color:rgb(0, 0, 0); font-family:&quot;Avenir Next W01&quot;, &quot;Avenir Next W00&quot;, &quot;Avenir Next&quot;, Avenir, &quot;Helvetica Neue&quot;, sans-serif; font-size:16px; font-style:normal; font-variant-caps:normal; font-variant-ligatures:normal; font-weight:400; letter-spacing:normal; line-height:1.5; max-width:100%; text-align:start; text-decoration-color:initial; text-decoration-style:initial; text-indent:0px; text-transform:none; word-spacing:0px;'><p style='border:0px solid currentcolor; box-sizing:border-box; margin:0px 0px 0.0001pt; max-width:100%;'><span style='font-family:Helvetica, sans-serif; font-size:11.5pt;'><span style='border:0px solid currentcolor; box-sizing:border-box; line-height:1.5; max-width:100%;'>Field Names – OA21CD, CTYUA25CD, CTYUA25NM, CTYUA25NMW</span></span></p><p style='border:0px solid currentcolor; box-sizing:border-box; margin:0px 0px 0.0001pt; max-width:100%;'><span style='font-family:Helvetica, sans-serif; font-size:11.5pt;'><span style='border:0px solid currentcolor; box-sizing:border-box; line-height:1.5; max-width:100%;'>Field Types – Text, Text, Text, Text</span></span></p><p style='border:0px solid currentcolor; box-sizing:border-box; margin:0px 0px 0.0001pt; max-width:100%;'><span style='font-family:Helvetica, sans-serif; font-size:11.5pt;'><span style='border:0px solid currentcolor; box-sizing:border-box; line-height:1.5; max-width:100%;'>Field Lengths – 9, 9, 35, 24</span></span></p></div><p><br /><span style='background-color:rgb(255,255,255); color:rgb(74,74,74); font-family:&quot;Avenir Next W01&quot;, &quot;Avenir Next W00&quot;, &quot;Avenir Next&quot;, Avenir, &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; font-size:medium;'><font style='border:0px solid currentcolor; box-sizing:border-box; font-family:inherit; line-height:1.5;'><span style='border:0px solid currentcolor; box-sizing:border-box; font-style:normal; font-variant-caps:normal; font-variant-ligatures:normal; font-weight:400; letter-spacing:normal; line-height:1.5; text-align:start; text-decoration-color:initial; text-decoration-style:initial; text-indent:0px; text-transform:none; word-spacing:0px;'>For more information and an overview of best-fitting follow this link -&nbsp;</span></font></span></p><div style='background-color:rgb(255, 255, 255); border:0px solid currentcolor; box-sizing:border-box; color:rgb(74, 74, 74); font-family:&quot;Avenir Next&quot;, Avenir, &quot;Helvetica Neue&quot;, sans-serif; font-size:16px; font-style:normal; font-variant-caps:normal; font-variant-ligatures:normal; font-weight:400; letter-spacing:normal; line-height:1.5; text-align:start; text-decoration-color:initial; text-decoration-style:initial; text-indent:0px; text-transform:none; word-spacing:0px;'><a style='border:0px solid currentcolor; box-sizing:border-box; color:rgb(0, 97, 155); font-family:inherit; line-height:1.5; text-decoration:none;' target='_blank' href='https://geoportal.statistics.gov.uk/datasets/f0aac7ccbfd04cda9eb03e353c613faa/about' rel='nofollow ugc noopener noreferrer'>https://geoportal.statistics.gov.uk/datasets/f0aac7ccbfd04cda9eb03e353c613faa/about</a></div>