This refer to proposals that affect the key elements of conserved buildings. They have a significant impact on the architectural character and spatial integrity of conserved buildings. The submission must be made by a Qualified Person (QP) who is a Registered Architect. The works include, but are not limited to:
Restoration of roof profile, pitch or height
Addition, removal or change in size or location of jack roof or skylight
Addition or removal of reinforced concrete structures on existing flat roof
Restoration of architectural elements such as windows, doors and original decorative features
Addition or removal of window or door
Change of entire floor using similar or different material
Addition or removal of:
Addition of new rear extension
Structural strengthening work
This refer to proposals that affect the key elements of conserved buildings to a lesser extent. They have some impact on the architectural character and spatial integrity of conserved buildings. The submission must be made by a Qualified Person (QP) who can be a Registered Architect or a Professional Engineer. The works include, but are not limited to:
Replacement of roof tiles
Addition of pergola or shelter with non-load bearing cover on flat roof
Addition or removal of window, inclusive of transom above a window
Addition or removal of roof over rear court
Addition or sealing of opening in party wall
Staircase & Lift
Addition or removal of
This refers to works carried out on any conserved building that are minimal and localised and/or for the purpose of repair and maintenance. The submission do not need to be made by a Qualified Person, it can be made by owners and contractors. The works include, but are not limited to:
One-for-one localised replacement and/or repair of roof tiles and rafters
Change in design and infill material for jackroof opening
One-for-one replacement or repair of door or window, transoms and vents
Localised repair of decorative features
Addition, repositioning or change in material, design or size of vents
Addition, replacement or removal of secondary door or window
Addition or removal of security grilles
Addition or removal of canopy above window
Addition or removal of tiled canopy or retractable awning
For commercial buildings with residential front control:
For buildings without residential front control:
Change of flooring material at five-foot way Addition or removal of ramps or steps Change in level of five-foot way
Upper Storey Floor
One-for-one replacement of timber floor boards and joists
Addition, repositioning or change in material or design of flue
Addition or repositioning of air-conditioning units and screening
Addition of solar panels and/or solar heater on existing roof
Painting of building facades
Painting of mural
You will need to submit the following:
i) Letter of Owner's Authorisation ii) Proposal for Repair and Maintenance works using either: • Colour photo in “JPEG” format; or • Floor plans/elevations drawn to scale.
You can expect a reply within 10 working days. If the proposal is in order, we will issue a Conservation Permission for the works.
After the works are carried out, you will need to submit photographs of the completed works to us using the Apply for Category 3 Works for Conserved Buildings e-Service. If the works are in order, we will issue a Letter for Endorsement of Completed Works. No works should be carried out before Conservation Permission is issued.