Start dwelling in brochs.
https://www.thebrochproject.co.uk/the-big-broch-build
https://www.thebrochproject.co.uk/the-big-broch-build/our-design
>Brochs are Iron Age structures unique to Scotland. Built over 2000 years ago – between 400 BC and 100 AD – they are regarded by many as the ‘pinnacle’ of ancient British architecture