average street house here in middlesbrough ranges from £2.50p - £3.50p full house from £4.50p - £7. if you dont clean them this will only leave an oppening for another one to be seen in your area. it will soon be the same as supermarket price match, match competitors price or loose a customer. some just want to make a living from this, some are just happy to get a days work, you see all the people wanting to buy rounds, im always happy to get a new customer, years ago i might of said no im too busy because they didnt ask me before when they know ive been cleaning in that area for the last 10 or so years . i wish i could charge what some claim they are charging. your very lucky.