Roof lantern height measurements

Updated on 8th November 2017 in Permitted Development
0 on 8th November 2017

Hi all.
i have a question around how the height is measured when doing an extension with roof lanterns. To summarise w are doing an extension 6m depth X 5m with an eaves height of 3m under PD. Is the overall height of the extension measured from ground level to the peak point of the roof lantern? Which will be near around 3.8m depending on the lanterns overall height. Or if you go by the PD guide it talks about 150mm height off the roof.

Any help appreciated.

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