The ACT Government has agreed in principle to sell a piece of land on Kelleway Avenue to Canberra's Muslim community for a mosque and community centre.

An independent traffic report says 250 people are expected to use the mosque, which has 71 parking spaces, and any overflow during peak Friday prayer times would be absorbed by a car park at nearby Gold Creek primary school.

At last night's meeting, run by Purdon Associates and the ACT Land Development Authority, a mostly hostile crowd of about 100 residents voiced anger they had not been consulted or told about the mosque.

Gold Creek School principal Sue Jose said no one involved in the report had spoken to her about the mosque and she had been given just one hour's notice to attend a meeting about it.

One woman said the noise from worshippers parking their cars could have an impact on preschool children at class. The project's designer and consultant, Shamsul Huda, said ACT planning regulations required one parking space for every four users of a church or place of worship.

The mosque met those standards and also met the required 12 parking spaces for the community centre.

''[You can] challenge the standard but that's what the standard is,'' he said.

''The uses will be at different times and [the plan] has already taken into account the maximum usage.''

Other residents questioned the statistics used to determine parking for the mosque and said there was more room for a car park on the north side of Gold Creek primary school.

During a heated exchange one woman told an opponent he was a racist. The man insisted he had ''many friends who are Muslim'' before storming off.

Liberal MLA Alistair Coe said he was concerned about parking issues if the mosque and its central courtyard were filled to capacity for prayer or events.

But Mr Huda said the courtyard was a feature of Islamic architecture and would never be used for prayer.