Replacing skylight in extension, job finished?

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lah1308 wrote: »

the planning portal says this?

You do not normally need to apply for planning permission to re-roof your house or to insert roof lights or skylights as the permitted development rules allow for roof alterations subject to the following limits and conditions.

Any alteration to project no more than 150 millimetres from the existing roof plane.
No alteration to be higher than the highest part of the roof.
Side facing windows to be obscure-glazed; any opening to be 1.7m above the floor.

you have quoted planning guidelines, planning and building control are two completely different things (Bring back the sticky thread at the top of the forum!!)

https://www.planningportal.co.uk/info/200187/your_responsibilities/38/building_regulations

this is what the bullet point says for work requiring building regs

An alteration project involving work which will temporarily or permanently affect the ongoing compliance of the building, service or fitting with the requirements relating to structure, fire, or access to and use of buildings