Planning exemptions are currently set out in the Planning and Development Regulations 2001 as amended and the Planning and Development (Exempted Development (Act of 2000)) Regulations 2026 which came into effect on the 27th July 2026.
The Office of the Planning Regulator have a practical guide to what work you can do around the house without needing to apply for planning permission. Their ‘Doing work around the House’ leaflet is available here.
* Please note this leaflet does not reflect changes arising from the Planning and Development Act 2024 or pending Planning and Development Regulations 2026.
While some exempted development can be carried out without consulting with the local authority, certain developments will require formal notification in advance. Developments carried out having regard to Class 1A (sub-division) and Class 3A (Detached Auxillary Dwelling ‘DAD’) will require notification to the Planning Authority at least 14 days before the development takes place. Local Authorities will be required to report to the Minister for Housing, Local Government and Heritage on such developments.
To notify the local authority of your development click here
To view the Planning and Development Regulations 2001 as amended on the Irish Statute Book click here
The relevant legislative provisions are set out under the headings below
Planning and Development (Exempted Development (Act of 2000)) Regulations 2026 (S.I. 338 of 2026)
Increases the floor area of an exempted extension from 40 to 45sqm and increases the floor area of an exempted structure in the back garden (such as a shed, store, home office or gym) from 25 square metres to 30 square metres.
Provides an exemption for the sub-division of the principal dwelling for the creation of up to 1 additional self-contained unit within the existing building envelope, with a minimum floor area for each subdivided unit of 32 square metres. Notification must be provided to the Planning Authority at least 14 days before the development takes place.
Provides an exemption for the addition of a detached auxiliary dwelling to the rear of the principal house, linked to the services of the principal house, which may be between 32 square metres and 45 square metres. Notification must be provided to the Planning Authority at least 14 days before the development takes place.
Provides an exemption for cycle or bin storage at both the front and back of the property, with enough space to hold either 3-4 adult size bicycles, 2 cargo bikes or 3 wheelie bins.
Provides an exemption for the provision of insulation on external walls of a dwelling, in line with existing SEAI grant provision.
Extends the exemption for a heat pump so that it is not restricted to the rear of the property.
Provides an exemption for the removal of a chimney.
Provides an exemption for addition of dormer roof boxes and roof lights on the principal dwelling
If your property is in an Architectural Conservation Area, Special Amenity Area Order, or is a protected structure/listed building these exemptions do not apply.
In all cases, all relevant Building, Building Control and Fire Regulations, including those for habitable dwellings where applicable, will apply.