The Observatory Tower is a Sydney landmark considered to be within the top three most prestigious residential buildings in Sydney. The tower is set over 30 levels accommodating 200 apartments. It includes a magnificent foyer, Library, gym, sauna, lap pool and six levels of car park. Havencab provides detailed cleaning services 365 days a year to all areas and ensures the building is always maintained to a six star level. This site is also green cleaned and we have held this contract for nearly 12 years.