How much could i charge for doing things around the house? -

im 12 and looking to earn some extra money (about ￡20) how much could i charge in uk pounds for doing things like washing my parents 2 cars and tidying up the garden(which is very very messy) thanks|::::|I don t know. How much are your parents charging you for meals and laundry?|::::|i would say 5-10 dollars to wash the car...10 dollars to rake the leaves and garden... 5 dollars to vacuum the house...