Permitted Development England
How to build a home extension without Planning Permission using your PD rights - Oct. 1st 2008

Certificate of Lawful Development Appeal Decisions by category of development.

The Town and Country Planning (General Permitted Development) Order 1995
Part 1 (as amended on 1 October 2008)

This appeal decision summary and assessment has been produced by Planning Jungle Limited. For more information, please go to www.planningjungle.com/?p=20

Obscure glazed and non opening windows

· Glazing to provide privacy is normally rated on a scale of 1-5, with 5 providing the most privacy. To be permitted development, side windows should be obscure glazed to minimum of level 3.
[Source: “DCLG - Permitted development for householders - Technical guidance” (August 2010)].

· Obscure glazing does not include one-way glass.
[Source: “DCLG - Permitted development for householders - Technical guidance” (August 2010)].

· Where a window is on a staircase or landing (i.e. not in a room) the 1.7m measurement should be made from the stair or point on a landing immediately below the centre of the window, upwards to the opening part of the window.
[Source: “DCLG - Permitted development for householders - Technical guidance” (August 2010)].