David Hearn wrote:
My employers are moving offices, and part of their lease terms are that
they must return the premises to their original condition prior to
handing back the keys. 7 air conditioning units were installed at some
point since we moved in, and potentially they are required to remove
these before moving out (long story, but its 4 small units knocked
through together, however the external air-con units are sited on the

Have they contacted the building owners?
Perhaps they might be willing to compromise?