We aim to make this website easy to use for everyone and if, whilst using our site, you encounter any difficulties with its accessibility, please do tell us and we will work with you to resolve the problems. To get in touch, please email the PLA Administrator, Mary Block, at or telephone 020 8883 1700.

About cookies on our website

Following a revised EU directive on website cookies, each company based, or doing business, in the EU is required to notify users about the cookies used on their website.

Our site uses cookies to improve your experience of certain areas of the site and to allow the use of specific functionality like social media page sharing. You may delete and block all cookies from this site, but as a result parts of the site may not work as intended.

To find out more about what cookies are, which cookies we use on this website and how to delete and block cookies, please see our Which cookies we use page.

Click on the button below to accept the use of cookies on this website (this will prevent the dialogue box from appearing on future visits)