You would have to tell tax credits yourself. although they work on your earnings from the previous financial year so your change in pay won't matter to them until next April.

@emma23g, @tuftyturtle @natroberts88 ohh I didn't know that thank u me and OH get working tax credit and I know how those people are when you don't tell them chance of circumstances thank u x❤️

Yep work dealt with mine once I handed in my MATB1 & notification of leave.

You have to tell your employer by 25 weeks and then they deal with it all

I would have thought your employer would have told them. I'm assuming mine has x