The item included 38 new homes, with four being two-storey and the others single- storey, on Camberwell Street in Beckenham.
Despite the development passing through the council, both councillors Olwen Searle and deputy mayor Ronald Mitchell had concerns about the lack of public open space.
"We are not opposed to more dwellings but we must balance with high quality," Cr Searle said. �What we have is 38 dwellings and no public open space.
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The original development featured 60 dwellings along with a pool, lawn, gazebo and barbecue.
However, in the document presented at the meeting on August 25, there were only 38 dwellings and parking bays and no parks or swimming pools.
City of Gosnells chief executive Ian Cowie said the applicant chose not to include the facilities, as they were not specifically required by the Residential Design Codes.
"A number of councillors raised concern with the omission of the communal facilities from the current design, on the basis that the proposed development would offer a lower level of amenity to future residents and put greater pressure on the limited public open space areas nearby," he said.
"However, given public open space is not a specific requirement of the Residential Design Codes, the application could not be rejected on those grounds."
Cr Searle said she understood the Mills Park Development is only walking distance from the development, but there should still be some public open space there, as it is surrounded by busy stretches of road.