Contacting your MP by Social Media is probably the quickest method.

Most MPs have a Social Media page on one or more of the following platforms:

X (formally Twitter) - Popular with Most MPs

Facebook

Instagram 

If you don’t know your MP, use the link below. Once you have it do a search on your favourite Platform.

We suggest something like:

Have you seen by how much Southern Water has put up residential Bills? Surely you don’t support this unjustified increase? Please raise questions among your Parliamentary Colleagues and help get these bills reduced. Please take a look at https://bad.southernwater.org for more information. 

Please copy your Local Friends list - it will help get the message out there.