Prior notification - large extension to dwelling (Part 1 - Class A)

National validation checklist for prior notification of a large extension
Documents	When required	Guidance
A plan indicating the site and showing the proposed developments	All applications	Buy a planning map (opens new window).
Application form/written description of the proposed development	All applications	This must include: the addresses of any adjoining premises the developer's contact address the developer's email address if the developer is content to receive communications electronically a written description of the proposed development including: how far the enlarged part of the dwellinghouse extends beyond the rear wall of the original dwellinghouse the maximum height of the enlarged part of the dwellinghouse the height of the eaves of the enlarged part of the dwellinghouse Start an online application in the Planning Portal (opens new window).
Correct fee	All applications	See the Planning Portal fee calculator (opens new window).

Last modified on 28 June 2022

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