Contentar UK guide: everything before you spend the first pound

Planning and Building Regs step by step. Pre-application, planning permission, building control and completion certificate.
The garden annexe route. When a unit can count as a caravan, and when it needs planning.
Hidden costs. Connections, heat pump, warranties.
Plans to scale and material lists. To take to your architect.

The UK edition is in preparation: join the waiting list. A balanced 1-bedroom home (2×40) costs £69,684 to £94,278 today.