The planning rules for porches are applicable to any external door to the dwellinghouse.
Adding a porch to any external door of your house is considered to be permitted development, not requiring an application for planning permission, provided:
Access our interactive guide to the planning permission and permitted development regimes for porches.
Please note: the permitted development allowances described here apply to houses not flats, maisonettes or other buildings. View guidance on flats and maisonettes here.
Building a porch at ground level and under 30 square metres in floor area is normally exempt from the need for building regulation approval.
For a porch to be exempt from building regulations approval:
This is an introductory guide and is not a definitive source of legal information. Read the full disclaimer here.
This guidance relates to the planning regime for England. Policy in Wales may differ. If in doubt contact your Local Planning Authority.