Do you need planning permission for 3×3 extension?

Extensions of more than one storey must not extend beyond the rear wall of the original house by more than three metres. Anything more than three metres and you would require planning permission for the extension. The maximum eaves and ridge height of your extension must be no higher than the existing house.

How big can an extension be without planning permission Ireland?

Size restriction – extension must not exceed 40 sq metres (this includes previous extensions built after 1964) and in addition to this, no more than 20 sq metres of this can be built on upper floors for terrace/semi-detached houses and no more than 12 sq metres on upper floors for terrace/semi-detached houses.

What size extension can I build without planning permission?

Without planning or neighbour permission, extensions on a terraced or semi-detached residential property must be no taller than 4 metres in height, no longer than 3 metres and must be single storey.

Can my Neighbour stop me building extension?

The short answer is ‘it’s possible. ‘ The longer answer is more complicated. If your extension plans encroach in certain ways on the properties that border yours, it’s possible your neighbour or neighbours could convince the council to stop you.

Is an extension cheaper than a conservatory?

Conservatories are often cheaper than an extension, too, although they don’t add the same value an extension does and they aren’t everyone’s cup of tea. Keeping a conservatory at a good temperature can be a struggle, with them often being too cold in winter and too hot in the summer.

Do I need planning permission for an extension to my house?

Generally, you will not need planning permission for: Building an extension to the rear of the house which does not increase the original floor area of the house by more than 40 square metres and is not higher than the house.

Do you need planning permission for a 12 sqm extension?

This means, for a typical semi-detached house, one could have a ground floor extension of 28sm & second floor extension of 12sq m, without applying for planning permission. Any above ground floor extension shall be a distance of not less than 2 metres from any party boundary.

What is the house extension design guide for South Dublin County?

Policies in the South Dublin County Development Plan promote good design and the protection of residential amenity. Th e Council has prepared this House Extension Design Guide to supplement policies and guidance in the County Development Plan and to provide advice on how to achieve a well designed extension.

Do I need planning permission to widen my property?

Permission is always required to if you wish to widen or create new access to the public road. A central heating system chimney, boiler house or oil storage tank (up to 3,500 litres capacity). A TV aerial on the roof so long as it is less than 6 metres higher than the roof