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Do I need planning permission? (householder)

Some alterations to your home may not require planning permission and could be carried out as a permitted development, if they satisfy certain limits and conditions. These may include the following:-

  • Extensions
  • Dormers/roof alterations
  • Outbuildings
  • Hard surfaces/decking

Further information is available on rear single-storey extensions, and via the Planning Portal.

Free householder enquiry service

You can use our free householder enquiry service to obtain an informal view of whether the works that you intend to carry out to your home would be a permitted development or need planning permission. We will provide an informal response in writing to all householder enquiries.

To use the service download and complete one of the forms below.

Please make sure you answer all of the questions and provide a sketch of your proposal, including measurements in metric.

Loft Conversion
Outbuildings including sheds and greenhouse
Walls and fences
Hard surfacing including driveways and patios
Satellite Dishes
Energy equipment including wind turbines and solar panels

All completed forms should be sent to the following address:

Development Control
Cumberland Council
The Market HallMarket PlaceWhitehaven
CA28 7JG


Lawful Development Certificate

You can obtain formal confirmation that your proposed works are permitted development by applying for a Lawful Development Certificate. This is not the same as planning permission but provides proof that your household building work is lawful. Apply for a Lawful Development Certificate.

Further guidance

Further guidance on various householder projects can be obtained from the Planning Portal using the following links:

Interactive house

Project advice



Garage conversions


Loft conversions

Patios and driveways


Doors and windows


Fences, gates and walls

Change of use

Other common projects

Advice is available on other forms of development.