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Do I need planning permission to convert flats back into a house?

Deconversion is the process of restoring a previously subdivided house back to its original state as a single property. Merging flats to create a single house may require planning permission, so you should discuss proposals with your local planning authority before starting work.

Read more about converting flats back to a house.

Common Questions

Do I need planning permission for a garden gazebo or adding an awning to my house?

A garden gazebo or freestanding awning will often fall under permitted development rights provided it abides by the restrictions set out by government. In this instance a garden gazebo or freestanding awning will be classed as an outbuilding and should not be in front of the house or more than 2.5 metres in height.

Different rules apply if the awning is attached to the house itself. It may still be permitted development, but falls under the class of enlargement, improvement or alteration.

Read more information including the full list of rules for outbuildings

Read further guidance on extensions.

Can I change my house to a shop with a flat above?

Yes, but this type of conversion will require full planning permission. This is because you’d be changing the use of the ground floor from residential to commercial (typically to a use class such as E), while the upper floor would remain as a residential flat (Class C3). The change of use triggers the need for planning approval.  

Find out more about change of use

What are the planning and building rules for installing a toilet in the downstairs of a property?

Normally planning permission is not required for installing a toilet in an existing area of the property as the change is only internal. If the toilet is part of a wider project such as an extension permission may be required.

If you live in a listed building, then listed building consent will be required for any major changes.

Building regulations will apply to the installation of a toilet in a property, these will cover areas such as ventilation, plumbing and drainage, and size.

Do I need planning or building control for covered outdoor kitchen?

If an outdoor kitchen is not a permanent structure, then planning permission will normally not be required.

Where planning permission is required, it may be granted through permitted development rights, provided it meets the limits set out in legislation. Most outdoor kitchens fall within the set limits unless they are particularly tall or close to a boundary.

While there is no specific permitted development right for ‘outdoor kitchens’ it may be classified as an ‘outbuilding’.

You can view the limitations for outbuildings and outdoor kitchens in the relevant common project

If the structure exceeds the limits set out through permitted development rights, then it will require an application for planning permission.

Different rules may apply if you live in a listed building or conservation area. If this is the case, you may wish to consult your local planning authority.

Read about the building regulations that cover outdoor kitchens.

Do I need planning permission to add a small wooden canopy over my front door?

Adding a porch canopy is classed as permitted development provided it meets the limits and conditions set out in legislation. Where this is the case, no application for planning permission is required.

Porches must meet the following limits:

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

Read our mini guide for additional information on installing a porch.

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