Cheap Apartments For Rent In Newton . There are 227 cheaper apartment units available for rent. 25 apartments rental listings are currently available. Cheap Flats to Rent in Johannesburg International House from mycityloft.co.za A 1 bedroom apartment on the average will cost you $568 and ranges from $520 to $799. Three bedroom apartments average $735 and range from $660 to $780. The average apartment rent in newton is $3,102 per month so any rental south of $2,482 would be considered cheap here.