Types of Works

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:

Roof

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

Front & Side Facade Restoration of architectural elements such as windows, doors and original decorative features
Gable End Wall, Rear Facade & Rear Service Block

Restoration of architectural elements such as windows, doors and original  decorative features

Addition or removal of window or door

Upper Storey Floor

Change of entire floor using similar or different material

Addition or removal of:

  • void
  • roof mezzanine
Others

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:

Roof

Replacement of roof tiles

Addition of pergola or shelter with non-load bearing cover on flat roof

Airwell

Addition or removal of window, inclusive of transom above a window

Addition of cover over airwell
Rear Court

Restoration of architectural elements such as windows, doors and original decorative features

Addition or removal of roof over rear court

Party Wall

Addition or sealing of opening in party wall

Staircase & Lift

Addition or removal of

  • internal staircase
  • lift

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:

Roof

One-for-one localised replacement and/or repair of roof tiles and rafters

Jackroof

Change in design and infill material for jackroof opening

Front, Side & Rear Facade, Gable End Wall & Rear Service Block

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:

  • Replacement of 1st storey window with door and vice versa

     

  • Change in infill panel(s) of 1st storey door or window from timber to glass and vice versa

For buildings without residential front control:

  • Change in shopfront design
Five-Foot Way

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

 Party Wall Sealing up of party wall opening
 Mechanical & Electrical Services

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

 Building Colours

Painting of building facades

Painting of mural

 Signage  Addition or repositioning of business signs

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.