Cost of painting interior of new build?

[Weta]

Just after a rough idea of how much we should budget for paint (but not labour) for the interior of the house we are having built. House is 160 square metres.

[Fimbo]

Our house is 1800 sq feet. We had an 'extras' budget from the developer. It cost £500 to have it all done out in white rather than magnolia.