Garden Room Planning Permission

Do I require Planning Permission for a Garden building?

Knowing whether you require planning permission for your garden building at the start of your project will save you time and money. Whether you are planning a garden office, garden studio or any other type of garden building - planning permission is a key consideration. It is also worth considering building regulations during your planning process.

In England, garden rooms are classed as outbuildings which generally fall within the category of permitted developments and no planning permission is required.  However, this is subject to limitations and conditions.  For your convenience we have summarised below the information given on the Planning Portal.  

 

Planning permission is not required if the garden room is:

 

  • A single storey with a maximum eaves height of 2.5 metres and maximum overall height of 4 metres with a dual pitched roof, or 3 metres in any other case.
  • It is within 2 metres of the property boundary, the whole building should not exceed a maximum height of 2.5 metres.
  • It is not separate, self-contained, living accommodation.
  • Does not have a microwave antenna.
  • Does not include verandas, balconies or raised platforms (Please note that raised platforms such as decking no higher than 300mm are allowed).
  • The garden room and other additions do not exceed 50% of the total area of land around the original house*.  When calculating the total area you must include sheds, other outbuildings or extensions to the original house*.
  • The garden room is not forward of the principal elevation of the original house*.
  • It is not on the grounds of listed buildings.
  • The original house is a house and not a flat, maisonette or other building.
  • The room is not to the side of the house if on designated land**.
  • In national parks, the Broads, Areas of Outstanding Natural Beauty and World Heritage Sites, the total maximum area to be covered by the garden room or any outbuilding more than 20 metres from ANY WALL of the house must not exceed 10 square metres.

 

* Original house means as it was first built or stood on 1 July 1948 if it was built before that date.

**Designated land includes national parks and the Broads, Areas of Outstanding Natural Beauty, World Heritage Sites and conservation areas.

Further Guidance on Garden Buildings

Generally, most outbuildings are classified as permitted development but there are always exceptions to this development rule. If your property or proposed garden buildings or garden offices do not meet all of the above limits and conditions, you WILL need to apply for planning permission.  If this is the case, our team will be happy to assist you with making any applications required.  We can also assist with guidance on building regulations.

If you would like to build a garden room or any other kind of garden building and need inspiration, why not view our range of garden buildings, including our exquisite garden offices here.

 

Disclaimer

The information provided above is intended as an introductory guide summarised from this website. We periodically monitor the source to ensure we are providing the correct information [last accessed March 2018].  It is not intended to be a definitive source of legal of information and applies to England only.  Planning policy in Scotland, Wales and Northern Ireland may differ. If you are in any doubt whatsoever that your intended garden building/outbuilding does not meet the limits and conditions of the permitted development rules we wholly recommend that you contact your Local Planning Authority for further information prior to the planning stage of your new garden building/outbuilding.

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