Looking for some advice on tax credits, on my online hmrc account they have estimated my yearly earnings from apr19 to apr 20 to be 22,000 however it's only going to be 10400 so I've adjusted it to 10800 to be on the safe side , what happens now ? Abd if they need to increase my weekly payments will that affect my housing benefit ? I'm new to all this after a marriage breakdown , I've never been entitled to help before ...