The plan for the circuit was as follows:
In the garden room there will be a three-way garage CU with 32A, 16A and 6A MCBs.
A PC, monitor, TV, printer and a kettle will use the 32A MCB.
A 2kW panel heater will use the 16A MCB.
Lighting circuit with 7 internal and 3 external downlights on the 6A...