Policy information sourced from the Hillingdon Local Plan: Part 1
OL5 Development Proposals Adjacent to the Green Belt
The local planning authority will normally only permit proposals for development adjacent to or conspicuous from the green belt if it would not injure the visual amenities of the green belt by reason of siting, materials, design, traffic or activities generated.
For more information please see Appendix 5 of the Local Plan: Part 1