Knowing when you are able to make changes to a house using permitted development can be so useful, especially as a housebuilder and installer.
Dakea, roof window manufacturers, work with builders, roofers and other professionals. We’ve broken this down by common projects so you can find the information on permitted development that you need. Skip to: loft conversions, extensions or replacing windows.
Permitted development rights (PD rights) allow people to improve or extend their home without the need to apply for planning permission. They apply to many common projects for houses, but they may not apply to flats, maisonettes or other buildings.
PD rights can bring significant benefits to anyone who wants to undertake a project to improve their existing home or is looking to maximise the potential of a new investment, without the trouble and time of applying for planning permission.
The current house also must have certain qualities that allow it to be eligible for permitted development. The property must:
Converting the loft of a house is considered to be permitted development (not requiring planning permission) subject to some conditions and limitations.
Permitted development is only allowed for loft conversions if the enlargement of a dwellinghouse (a house used as a residence not for business) consists of an addition or alteration to its roof.
However, permitted development is not allowed in loft conversions if:
– 40 cubic metres in the case of a terrace house, or
– 50 cubic metres in any other case
– The construction or provision of a verandah, balcony or raised platform.
– The installation, alteration or replacement of a chimney, flue or soil and vent pipe.
If these are not met, an application for Householder/Full Planning Permission will be required.
For more information, read our in depth guide on how to convert a loft.
Conservation areas often have different permitted development rights. They still exist in these places, but they often have small differences due to ‘conservation area consent’. These are tailored to each area and can limit things including replacing existing windows and doors, for example. You will be best contacting your local planning authority.
Similar to loft conversions, an extension or addition to a house is also sometimes considered to be permitted development (not requiring an application for planning permission), as long as certain limits and conditions are met.
The conditions that must be met are that:
If you are unsure as to what is included in permitted development rights, please visit the Planning Portal website or speak to an expert.
Most houses have permitted development rights, which make it possible to replace existing windows or create new windows without requiring planning permission from the council.
Homeowners can generally do the following with permitted development:
If you need more guidance on permitted development, you can visit gov.uk.