Accessibility Policy

Accessing our website

We are committed to making our website accessible to all our customers and have an ongoing programme of making useful updates and improvements. We have already introduced several improvements to our website in accordance with guidelines from the Web Accessibility Initiative (WAI) and will continue to make changes over time.

Text size

You can change the text size on our site to make it either larger or smaller via your browser settings. Some browsers allow you to magnify the whole page. To change the text size, follow the instructions below depending on which browser you are using:

Internet Explorer

  1. Click Tools menu to open the Zoom menu or press Alt + X
  2. Select zoom percentage
  3. Or press Ctrl + + and/or Ctrl + -


  1. Click View > Zoom > Zoom In/Zoom Out
  2. You can also choose to zoom text only
  3. Or on Windows, press Ctrl + + and/or Ctrl + -
  4. Or on Mac, press Cmd + + and/or Cmd + -


  1. Click View > Zoom In or View > Zoom Out
  2. Or on Windows, press Ctrl + + and/or Ctrl + -
  3. Or on Mac, press Cmd + + and/or Cmd + -

Consistent page headings and titles

A consistent heading structure has been used so that page information is compatible with access technology.

Contrasting colours

We have taken care to ensure that foreground and background colours on the site contrast effectively. If you want to override the site’s colours, you can do this by changing your browser settings.

Alternative text for graphics

All graphics and images contain descriptive alt tag attributes (alternative text). Where an image has no importance, the alt tag is set to null to make the site easier to read by all users.

Descriptive links

All links have been written to make sense when taken out of context. Where appropriate, we have also added information to let you know if the link will open a new window or if additional software is required to view.


The following browsers have been tested for compatibility:

  • Chrome (Windows and Mac)
  • Internet Explorer (Windows) v11 and v10
  • Firefox (Windows and Mac)
  • Safari (Windows and Mac) v7.0