You can usually put up new fences, gates or garden walls without planning permission, as long as you stay within permitted height limits. If the structure is adjacent to a highway (including footpaths), it must not exceed one metre in height. For all other boundaries, the maximum permitted height is two metres. Anything taller than these limits will require planning permission.
Read more about fences, gates and garden walls.
Building above an attached garage is treated the same as adding a storey to the rest of your home. This is considered to be permitted development, not requiring an application for planning permission provided you meet the set rules and requirements.
You will still need to submit an application for prior approval to your local planning authority.
Read the list of rules and requirements for extending upwards.
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.
For houses, replacing windows with double glazing usually doesn’t require planning permission, provided the style and appearance are similar to the original. However, if you live in a flat/maisonette, listed building, or a conservation area, planning permission or listed building consent may be required, especially if the changes affect the external appearance.
Read more about planning permission for windows and doors for houses
Read about planning permission for windows and doors for flats and maisonettes
The conversion of a garage, or part of a garage, into habitable space, will normally require approval under the building regulations.
As part of the garage conversion, it is likely that the original garage door will be in-filled with a new wall and possibly a window or door, and a new foundation may be needed for the new wall.
As well as the foundation, you also need to consider:
Read more about the building regulations for garage conversions
Removing a non-load bearing wall will likely not require building control approval provided it does not affect fire escape routes, ventilation, drainage or electrics.
It is best practice to get a report from a structural engineer to ensure the wall is non-load bearing prior to starting any work.