The term ‘building site’ is often used interchangeably with construction site,
although this tends to indicate that buildings (and sometimes, more specifically, housing) are being constructed, whereas the term ‘construction site’ can refer to all types of works, such as road construction, sewer construction, landscaping, and so on.
The CDM Regulations suggest that a construction site: '...includes any place where construction work is being carried out or to which the workers have access, but does not include a workplace within the site which is set aside for purposes other than construction work.'