Complex sentence: The House of Lords here ruled that an appropriation of property could occur even with the consent of the owner, and that the omission of consent from the offence in question was merely to relieve the prosecution of the burden of establishing a lack of consent.
Split into simpler sentences: The House of Lords here ruled that an appropriation of property can occur even with the consent of the owner. To this end, they commented that the drafter's intentions in leaving out consent from the offence was to relieve the prosecution of establishing a lack of consent.