9(1)(a) - d enters any building or part of a building as a trespasser with intent to steal, inflict GBH or do unlawful damage to the building or anything in it.
9(1)(b) - having entered a building or part of a building as a trespasser, D steals or attempts to steal anything in the building or inflict or attempt to inflict GBH on any person in the building
for the actus reus there must be entry
brown - the entry must be effective
ryan - jury must be able to find evidence that the D has entered the building
walkington -they must have entered a building or part of the building
the act doesnt give a basic definition for building
rodmell - covers sheds
coleman - covers houseboats
leathley - storage unit on sleepers with locks and electricity is a building
seekings and gould - a lorry trailer with wheels is not a building
they must have entered the building as a trespasser
collins - if you have permission to be there you are not a trespasser
smith and jones - can be a trespasser if exceed permission
mens rea - d must intend or be subjectively reckless as to the trespassing
must have the intention for the ulterior offence
for 9(1)(a) - def must have intention to commit one of the three offences at time of entering
conditional intention is sufficient - can be guilty even if don't steal anything.
for 9(1)(b) - def must have mens rea for the theft or GBH when committing or attempting to commit the actus reus for one of these offences