[GRADE B — HOUSE_OVERSIGHT_014118 (address list, Feb 11, 2015)]
An Oversight release reproduces a contact block listing "44 Kinnerton Street, London SW1X8ES" with staff names and phone/fax numbers.
WHAT THIS SHOWS AND DOES NOT SHOW: The oversight exhibit repeats the Kinnerton Street address and staff contact block, corroborating the address as part of the documented infrastructure. It does NOT establish who authored the list or when the address was actively used.