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The rear of my property drops by 1m across the width of the rear of my property. I would like to build a deck across the back of the property with probably one step down across its length. The PD and government advice is you need decking to be 30cm above ground level. Which as you can imagine could be at many points. Does anyone have any experience of dealing with this issue? The challenge is that at one end, its is 90cm above ground level and if you were to stand on it, you would be overlooking significantly next door. Thoughts on best approach appreciated.

Just been told that we would get no council tax relief on the property, despite it being totally uninhabitable. ? Good news, I think, is that the local council will gift up to £25k as an interest free loan for renovation. Now investigating VAT exempt schemes for energy improvements. Any advice on this?

Sorry for the dumb question, but can you get these prefabricated to meet the specifications of with a new dormer at the rear?

Thank you for this advice. You mention I must hire a contractor. Does that prevent me doing the works and keeping the cost down? I have a VAT registered company myself. So could I be the main contractor?

Are there any specific watch outs you would pass my way, about converting a 2 bed bungalow into a 3 bed chalet bungalow? The property was built in 1930, is dry, no movement and the roof is in good order. The projectis to build two additional loft rooms with rear facing windows within roof line and inc bathroom. The ridge height doesn't change.