This website has been designed and programmed to be as accessible as possible to all users and to be compatible with the types of adaptive technology used by people with disabilities, including screen readers.

Our aim is to be standards compliant and follow general usability principles to help all visitors to our website. So, we have done our best to build our website within as many Priority 1, 2 and 3 checkpoints as possible as described in the Web Content Accessibility Guidelines version 1 (WCAG1) published by the World Wide Web Consortium's (W3C) Web Accessibility Initiative (WAI).

This website also aims to comply with the UK Government's Disability Discrimination Act of October 1999 and 2004, the Royal National Institute for the Blind's web accessibility guidelines, and the W3C consortium's Web Access Initiative guidelines.

How to make this site more accessible

There are many ways you can make this website more accessible. For example, you can change the font size and, if you are blind or visually impaired, you can use screen reading software to find information.

Our website navigation and structure are consistent to make it easy for you to find your way around it. You’ll find the navigation bar at the top of the screen. We’ve categorised the website into the main areas to help you find what you are looking for quickly.


This website has been developed to support most modern browsers. If you view our website on an older browser, you may find pages don’t display as intended if the browser isn’t standards-compliant. You can download the latest version of browsers for free from the following websites: Microsoft Internet Explorer, Firefox, Chrome, or Safari.

Screen resolution

This website is designed for a minimum resolution of 1024 x 768.

Text size

You may wish to view this website in smaller or larger text size. To do this you will need to adjust your browser settings:

  • If you are using Microsoft Internet Explorer, go to the "View" menu in the browser tool bar, select "Text size" and select your required size - either larger or smaller.
  • If you are using Firefox, go to "View" menu in the browser tool bar, select "Zoom" and select your required size using the "Zoom In" and "Zoom Out".
  • If you are using Chrome, click on the Control Page icon to the right of the address bar, select "Zoom" and select your required size - either larger or smaller.
  • If you are using Safari, go to "View" menu in the browser tool bar and select your required size using the "Zoom In" and "Zoom Out".

Download times and using Adobe

In order to make the website more user friendly and allow the amount of information to be increased, a number of software applications are used (see below). Some of these applications may take more time to load than conventional HTML web pages.

You may need Adobe Flash Player to view multimedia presentations or video clips on this site. Text alternatives are provided where possible for video and audio content. You can download the latest version of Flash Player from the Adobe website.

To listen to audio files you will need a media player such as Windows Media Player or Real Media Player.

In order to view PDF documents, you will need to have the free Adobe Acrobat Reader software installed on your computer. You can download Adobe Acrobat Reader using the following link:

Once the Adobe Acrobat Reader software has been installed you will be able to read Adobe PDF files.

To save a PDF to your PC computer, right click your mouse over the PDF link and select 'save target as' or 'save link as'. If you have an Apple computer, click the link whilst holding down the 'option' key. You can then save the PDF where you want on your computer.

We recommend that users download the latest version of Adobe Acrobat Reader to access Adobe PDF files.

Further assistance

We aim to continue to develop the accessibility of our website in accordance with accepted guidelines and standards for accessibility and usability. But if you have any difficulty accessing the website and require further help, or if you have any suggestions to help improve our accessibility, please contact us using our Contact Us form and we will do our best to provide you with the information you need.