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We are constantly looking to improve the accessibility of our website.

If you encounter any problems while browsing this site please tell us using our website feedback email.

Headings and navigation menus

HTML heading tags are used to convey document structure. H1 tags are used for main titles, H2 tags for subtitles etc.

Navigation menus are marked up as HTML lists. This ensures that the number of links in the list is read out at the start and it can be skipped easily.


All links have been written to make sense when taken out of context.


This site uses cascading style sheets for all visual layout. If your browser or browsing device does not support stylesheets at all, the use of structured semantic mark up ensures that the content of each page is still readable and clearly structured.


Alternative colour options are given at the top of each page; Light Colours, Dark Colours, or High Contrast. The site can be returned to Standard Colours by clicking the link. If you wish to override the site's colours, you can do so by changing your browser settings to your own preference.

Font size

The fonts used on our site can be changed in size. There are settings for Small (A-), Standard (A) and Large (A+). You can also change text size by changing your browser settings to your own preference.


All images used in this site include descriptive alt tag attributes.

Forms and fields

All forms fields follow a logical tab sequence to ensure easy navigation.

Most form fields also have 'label' and 'id' attributes to explicitly associate the form field with its label to allow for easy entry of data.


All data tables have header cells, to allow screen readers to render them intelligently. Table summaries are used.

We have, wherever possible avoided using tables for layout purposes.


The use of Javascript has been kept to an absolute minimum. Where it is used all pages and process remain accessible should Javascript be turned off.