Policy information sourced from the Hillingdon Local Plan: Part 1
A2 Developments at Heathrow Airport Likely to Increase Demand for Off-Airport Development or Have Significant Adverse Environmental Impact
Planning applications for proposals within the boundary of Heathrow airport which are likely to (a) increase demand significantly for off-airport developments or (b) have significant adverse environmental impact should be accompanied by a justification of the need for the development and, where appropriate, a full environmental assessment. Subject to the limitations of circulars 11/95 and 1/97, they should include sufficient measures to mitigate for or redress the effects of the airport on the local environment. Where appropriate, proposals should include new public transport capacity for passengers and employees able to use public transport and so minimise additional road traffic demand. To this end, the local planning authority will seek assurances that the necessary capacity is available at the time the development is brought into use. In appropriate cases the local planning authority will seek a financial contribution from the developer to secure the necessary improvements in public transport.
For more information please see Appendix 5 of the Local Plan: Part 1