The Companies House filing to change your registered office is free. But the total cost depends on where you are moving to.

Filing Cost: £0

Form AD01 at Companies House WebFiling. Free. Processed within 24 hours. See step-by-step guide.

New Address Cost: £0–£145/month

Hidden Costs to Consider

  • HMRC address update: free but must be done separately (details here)
  • Royal Mail redirect: £33.99 for 3 months (optional but recommended)
  • Reprinting stationery: variable
  • Updating website, contracts, and directories: your time

The cheapest way to move is to a virtual office at your chosen provider — £70/month, active the same day, no setup fee.