When buying or selling property, fixtures are generally included
automatically, chattels are not. This can cause difficulty as it is
not always clear whether something is a fixture or a chattel.
Fixtures are usually fixed to, and form part of the land, whereas
chattels are usually movable. To further refine the test, you will
need to examine on a case-by-case basis why and to what extent the
item is fixed to the land. It's not always easy - these matters
often end in dispute.
A dishwasher is arguably a fixture where it is plumbed and wired
directly to the house and part of the cabinetry. It's arguably a
chattel if it rests on its own weight, has easily detached plumbing
and a regular power plug.
To avoid confusion, write it down. If something should be
included (or specifically excluded), record it in the agreement. If
in doubt, seek advice!