Do I need planning permission to create a family flat?

A family flat refers to a unit created through the subdivision or extension of a dwelling to accommodate a member of the immediate family for a limited period. Planning permission is normally required for such development.

In these circumstances the family flat should be
• subordinate to the main dwelling
• generally not exceed 50% of the floor area of the main dwelling
• be linked directly to the main dwelling via an internal access door (at both ground and first floor levels if the extension or sub-division is two-storey in nature).

If an external door to the new family flat is required, it should be located to the side or rear of the new unit rather than to the front of the house. Contact Declan Noonan & Associates for advice and information on what to include in your planning application.

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