In addition to managing the physical aspects of the common areas there is also a considerable amount of legislation that has to be abided by, just as if the building were a commercial one. Whilst it would be impossible to list them all here, I have extracted some key ones.

Reporting of Injuries,Disease and Dangerous Occurrences Regulations 2013
Buildings Regulations Act 2010
Health and Safety Offences Act 2008

Working at Heights Regulations 2005
Regulatory Reform (Fire Safety) Order (RRO) 2005
Management of Health and Safety at Work Regulations 1999
Health and Safety (Safety Signs and Signals) Regulations 1996
Electricity at Work Regulations 1995
Health and Safety at Work Act 1974
Defective Premises Act 1972