Combining PD and PP?

Hi Indus,

It's worth being very careful with this type of situation ...

Suppose you have planning permission (PP) for one extension, and a certificate of lawfulness (COL) for another extension. There are two main scenarios:

- If the two extensions would be on separate parts of the building and not attached to one-another, then it's normally fine to build both. For example, if you have PP for a single storey rear extension and a COL for a rear dormer, then you build both, and this is fine because they don't affect each other.

- However, if the two extensions would be attached to one-another, then this can cause real problems, and it's possible that the resulting structure won't be covered by either the PP or the COL (and won't be lawful). For example, suppose you have PP for a two-storey side extension that would (say) have a hipped roof that would join onto your main hipped roof, and suppose you have a COL for a hip-to-gable roof extension and rear dormer. If you build both of these extensions then you will end up with a combined structure (built as a single building operation) that isn't covered by the PP or by the COL.

The latter scenario is highlighted by the following two appeal decisions:

http://www.planningjungle.com/appeal_decisions/32 Clovelly Avenue - Appeal Decision Notice.pdf

http://www.planningjungle.com/appeal_decisions/204 St Marys Road - Appeal Decision Notice.pdf

Your best option is to check with your local authority as to their interpretation on this sort of thing. For your particular case, key issues are likely to be whether the roof of the two-storey extension would be attached to the rear dormer, and whether your local authority would interpret the building of these two structures to constitute a single building operation.

Thanks,
Steve
 
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Can a two storey rear extention with pp and pd be combined?
The Two storey PP is an extention of the two storey side extention.
 

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