Link: Royal Mail for Addresses and Postcodes

[Pollynation]

In the royal mail website :-
www.royalmail.com

you can search for address's. It lists the full address and postcode.

Handy if you want to see if one still exists from census returns.
You have to register with your e-mail address and password, and are allowed 12 searches per 24 hours.

Pauline