On 11/05/2021 17:42, GB wrote:
On 11/05/2021 17:27, Fredxx wrote:

I presume you're worried about your neighbours and the need for
planning permission. Why not erect as is, with the fallback of making
flat if the need comes?

Erect it in a small hollow?

Reminds me of someone nearby who built an industrial property. He was
limited by height, thereby forcing the ground level to be, well ground
level.

Within 3 years he had been flooded by a local brook, for the sake of
300mm, as per local planning stipulations, he would have been well clear.