Permitted Envelope
A planning concept referring to a pre-approved physical boundary within which certain works can be carried out without new planning permission.
Primary source: PlanningLeads.ie Reveals Intel €5bn Leixlip Investment Rooted in Single Planning Application
In the context of Irish planning law, a permitted envelope refers to the spatial limits and structural parameters previously approved by a planning authority. Work conducted inside this envelope—such as the installation of machinery or internal refurbishments—often does not require a new external planning application.
According to a press release published on Pressonify.ai, this concept explains why a €5 billion investment in semiconductor fabrication may only result in a modest planning filing. Because the majority of the spend is allocated to equipment installed within the existing permitted envelope, the activity does not surface in the public planning record.
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