
How to classify a film to a U BBFC registration.
It is suitable for all to watch, however, it is "impossible to predict what may upset any particular child" therefore suggesting that a "U" classification is for a children's or a family film, of whom are at the age of 4 years or over. "‘U’ films should be set within a positive moral framework and should offer reassuring counterbalances to any violence, threat or horror" therefore suggesting that the theme of the film would need to include elements of happiness and romance etc.

How to classify a film to a PG BBFC registration.
Similar to the rating for a "U" classification, it is there for everyone to watch, however there may be some scenes which are inappropriate for the young to watch. Any child may watch the film, however, if they are watching some scenes or the whole film by themselves, then the parents should firstly consider whether some scenes of the film are able to upset the child. It is stated that "a PG film should not disturb a child around eight or older".

How to classify a film to a BBFC 12 and 12 years and over rating.
"The ‘12A’ category exists only for cinema films. No one younger than 12 may see a ‘12A’ film in a cinema unless accompanied by an adult, and films classified ‘12A’ are not recommended for a child below 12. An adult may take a younger child if, in their judgement, the film is suitable for that particular child. In such circumstances, responsibility for allowing a child under 12 to view lies with the accompanying adult." The website then goes on to say "the ‘12’ category exists only for video works. No one younger than 12 may rent or buy a ‘12’ rated video work".

How to classify a film to a 15 BBFC rating.
No one under the age of 15 is able to watch a film which is rated at a 15 in the cinema. No one under the age of 15, or anyone who doesn't look the age of 15 may buy or rent a 15 rated video/DVD in a shop.

How to classify a film to an 18 BBFC rating.
No one younger than 18 is able to watch a film with an 18 rated on it.
Similar to the classification for a 15 rating, no one under the age of 18 - or
anyone who appears to be under 18 is able to buy or rent a video/DVD which
has a rating of 18.
For a full document stating the age guidelines, then there is a PDF avaliable on the BBFC website. Click here to view the PDF document. In order to see what should be included within the particular age rating, then you should scroll down to page 20 where it starts with the BBFC 'U' rating.