Urban regeneration and countryside protection. A bill to require local planning authorities to undertake urban capacity studies and to publish audits of derelict, vacant, under-used and under-utilised buildings and land; to place a duty on public bodies to maximise the use of previously developed buildings and land; to impose new requirements in respect of planning applications for housing development on undeveloped land or for housing development likely to have a significant impact on existing infrastructure; and for connected purposes [electronic resource].