> A UK postcode is often down to just one street or similar size.
It's even better than that. Unless you are incredibly rural or the street is tiny, most streets have at least two postcodes - one for the odd side and one for the even side. In most cases, there's only about 15-30 houses in a postcode, any more on a road and it's split up into smaller chunks.
It's even better than that. Unless you are incredibly rural or the street is tiny, most streets have at least two postcodes - one for the odd side and one for the even side. In most cases, there's only about 15-30 houses in a postcode, any more on a road and it's split up into smaller chunks.