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  1. Welcome to Planning Portal
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  4. Porches
  5. Planning Permission

Porches

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  2. Building regulations
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Planning Permission

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:

  1. the ground floor area (measured externally) would not exceed three square metres.
  2. no part would be more than three metres above ground level (height needs to be measured in the same way as for a house extension).
  3. no part of the porch would be within two metres of any boundary of the dwellinghouse and the highway.

Please note: The permitted development allowances described here apply to houses and not to:

  • Flats and maisonettes (view our guidance on flats and maisonettes) 
  • Converted houses or houses created through the ‘permitted development’ rights for:
    • ‘Changes of use’ (Schedule 2, Part 3, Classes G; M; MA; N; P; PA and Q) (as detailed in our change of use section)
    • ‘New Dwellinghouses’ (Schedule 2, Part 20)
  • Other buildings
  • Areas where there may be a planning condition, Article 4 Direction or other restriction that limits permitted development rights.


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      Disclaimer

      This is an introductory guide and is not a definitive source of legal information. Guidance is based on national rules, but additional local rules may also affect what permissions are needed. You should check if this is the case before applying or starting work.
      Guidance here relates to the planning regime for England, the policy in Wales may differ. If in doubt contact your local planning authority. Please note, local authorities may charge a fee for pre-application advice.
      Read our full disclaimer.


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          The Planning Portal is delivered by PortalPlanQuest Limited which is a joint venture between TerraQuest Solutions Limited and the Ministry of Housing, Communities & Local Government (MHCLG). All content © 2025 Planning Portal.