Adding a porch to any external door of your house is considered to be permitted development, not
requiring an application for planning permission, provided the following limits and conditions are met:
1. Ground area of the porch, measured externally not to exceed three square metres.
2. Highest part of the porch not to exceed three metres.
3. No part of the porch to be within two metres of any boundary that fronts a highway.
Crown Copyright?2011 Reproduced with permission