Btw your broadband might go up soon due to [inflation](https://www.cable.co.uk/blogs/broadband-price-rises-20230214/#:~:text=Traditionally%2C%20broadband%20contract%20prices%20are,usually%20around%202-3.5%25.), depending on the deal you're on. If it applies to you, it sounds like the type of thing your flatmate would pin squarely on you though.