Foremost among CASLE’s aims are:

CASLE was formed in 1969 as a federation of independent professional societies representing surveying and land economy in Commonwealth countries. CASLE is an organisation which is non profit-making in nature, and any monies raised, or any surplus monies made from its activities are deployed into activities which are intended to support its aims as set out in Article 2 of the Constitution.

During the period 1998 – 2002, CASLE began to offer a new programme of lecture tours and tutorials on specially selected topics which are judged to be of prime interest to the profession at this time. In some instances, these are be offered in the successful CASLE "Road-show" format which consists of CPD activities, covering a spectrum of surveying topics. These involve a small group of specialist surveyors consecutively delivering a lecture and workshop programme to adjacent centres within a region of the Commonwealth.

CASLE believes that many of the problems facing the world in respect of the use of scarce resources may be mitigated by careful planning. Within the scope of the three professional fields, the education and experience of surveyors may be drawn upon to provide advice on the effective use of resources in new projects, and the long-term resource and cost consequences of planning, design, and construction decisions.