You would have to contact the DVLA (Driver and Vehicle Licensing Authority) at Swansea... Write to them at:-Driver and Vehicle Licensing AgencySwanseaSA6 7JL
St. Clare Media (EWTN) Ltd. PO Box 913 Enfield EN2 0WY
Write the address in the normal way and then write USA under it. Don't forget the state and the ZIP code.
Typical UK addresses are written :- 123 High Street - (number and street name) Stockton on Tees - (town) Cleveland - (county) TS1 1AA (postcode)
If the address is actually in England, ie NOT Scotland, Wales, Northern Ireland, Isle of Man or the Channel Islands