協助執行以下職務– (a) 審批發展建議及規劃申請，並就不同用途物色發展地點； (b) 統籌規劃研究的公眾參與活動； (c) 擬備、修訂及落實全港和次區域發展策略，以及法定和非法定地區設計圖； (d) 直接參與或透過管理顧問的工作，從而制訂及修訂規劃標準及指引，以及進行規劃研究、調查及城市設計工作； (e) 負責檢討分區計劃大綱圖及可供售賣土地的發展規範； (f) 根據《城市規劃條例》對違例發展項目採取強制執行行動； (g) 研製及運用地理資訊系統和資訊科技技術，方便公眾參與及作出決策；以及 (h) 就跨境基建設施及地區發展事宜進行研究，並與內地部門保持聯絡。

To assist in - (a) processing development proposals and planning applications and carrying out site searches for various purposes; (b) managing the public engagement exercises of planning studies; (c) preparing, revising and implementing the territorial and sub-regional development strategies, and statutory and non statutory district plans; (d) formulating and revising planning standards and guidelines and carrying out planning researches, studies and urban design work either directly or through managing the work of consultants; (e) undertaking the review of Outline Zoning Plans and the development parameters of land sale sites; (f) undertaking enforcement actions against unauthorised developments under the Town Planning Ordinance; (g) developing and applying geographic information system and IT technologies to facilitate public participation and decision making; and (h) carrying out researches and liaising with Mainland authorities on cross-boundary infrastructure and regional development matters.