The gov.uk Guidance Note provides:
It is a legal document that sets out the works to be carried out and how they are to be carried out. The surveyor/s will decide who pays the costs in producing the award and for any necessary checking that the work has been carried out according to the award.
The surveyor (or surveyors) will settle the matter by making an “award” (also known as a “party wall award”). This is a document which:
It is a good idea to keep a copy of the award with your property deeds when the works are completed.
The gov.uk Guidance Note provides:
An Award is a legal document prepared by the surveyor(s) and basically has four parts.
An Award should confine itself to the work relating to the Notices but may include matters arising out of or incidental to the dispute. For example if the Notice relates to section 6 of the Act which only relates to excavation work then such matters as the wall that is built upon the foundations are irrelevant.
It should not include matters relating to any easements, covenants or restrictions, personal matters between the parties or anything unrelated to the intended works.