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Is there a reason that there are so few 2-storey extensions?
PD rules state: "Where the extension comes within two metres of the boundary* the height at the eaves cannot exceed three metres."
https://www.planningportal.co.uk/permission/common-projects/extensions/planning-permission
I would definitely seek advice from your council planning dept and/or a local architect
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on a terrace it's to do with right to light. Draw a line at 45 degrees from the centre of your neighbours upstairs windows and where these intersect is as far as you can build out upstairs (unless, maybe, there's prior precedent). if you have houses on both sides you can't do it. if you are on the end of the row then you can, on the side you don't have neighbours on.
Seeking some advice / intel re a double storey extension.
@grog and I are buying a terraced house and would like to square the rear off to create an open plan kitchen/dining space - current floorplan attached. We also want to extend the floor above i.e. a 2-storey extension. At the moment, the kitchen juts out on the ground floor. No other houses on the street seem to have 2-storey extensions so there's no precendent.
As far as I can understand from the (rather confusing and conflicting!) guidance online, we wouldn't need planning permission as it's less than 3m from the current boundary, as well as being to the rear of the house. Not sure this is correct though as we have also read that it can be problematic if it blocks light into neighbouring houses.
Would there be any issues / could we run into hurdles with party wall agreement? Is there a reason that there are so few 2-storey extensions?
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