If you pay the 20% basic rate of tax and claim tax relief on £6 a week, you would receive £1.20 a week in tax relief (20% of £6 a week) towards the cost of your household bills.
You don’t need to provide any additional paperwork. If you have a Government Gateway ID, it takes a couple of minutes to make a claim. If you don’t have a Government Gateway ID, it only takes 10 minutes to set one up.
Claim tax relief for working from home.
HMRC will change your tax code and it will revert back in April next year.