Try a paper round , or sell some clothes that don't fit you anymore

ask you parents to pay you to mow the lawns...

Ohh your in the uk, they don't have lawns there do they? the houses are all stuck together...

Im from the uk and i want money fast and plz dont say stuff like mow peoples grass or babysit or lemonade stand or sellin stuff or online surveys or anything like that just sugest ur ideas an ill think about it