Unauthorised minor amenity features that can be validated should meet the requirements under the Buildings Ordinance and its subsidiary regulations, in particular the following technical requirements under the respective subsidiary regulations:
- the construction requirements
- the positional and dimensional requirements
- the fire safety and drainage requirements
- the natural lighting and ventilation requirements
The works may also need to meet the relevant requirements of the departments concerned such as the Lands Department, Planning Department and Antiquities and Monuments Office.
Types of minor amenity features
- Supporting structure or metal casing for a building services installation
- Supporting structure for a radio base station
- Metal supporting frame for an air-conditioning unit/a light fitting projecting from an external wall
- Solid fence wall
- External mesh fence or metal railing
- Pole
- Metal gate at a fence wall
- Canopy
- Retractable awning
- Trellis
- External metal ventilation duct or associated supporting frame