A homeowner ran a heavy-duty extension lead across the lawn to a new garden office, and it tripped the whole house's RCD every time it rained hard. A garden room needs its own buried SWA supply and sub-consumer unit, not an extension lead. This guide covers why an extension lead isn't a real fix, how the SWA-to-consumer-unit handover works, why it's notifiable under Part P, and sizing cable with room for future use.
Hotel & HMO refurb
Electrics, bathrooms, hotel housekeeping and fire safety from a single supplier. BOMs by room type, UK compliance checklist.
Read the hotel refurb guide

