Proposed Redevelopment at 281 Gloucester Road

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New Buildings V1.2
Provisional Platinum

Overall Score
Site Aspects
Materials Aspects
Energy Use
Water Use
Indoor Enviro. Quality
Credit(s)    Innovations and Additions

One Excelsior is the redevelopment of the previous Excelsior Hotel in Causeway Bay.  The new building will have 24 floors of premium Grade A standard office space with approx. 1,700 square metres of lettable space at each floor, enjoying uninterrupted view toward the Victoria Harbour.  There are also retail shops and restaurants situated in the podium floors, as well as about 140 nos. of car parking spaces in the 3-level basement.  The new development aspires to be an exemplar of latest smart building technologies, sustainable design features and low carbon construction.

Green Features

Site Aspects

  • Wind performance in the urban area is maintained.

  • Daylight performance at the immediate neighboring residential developments is maintained.

  • Intruding noise from building equipment are acceptable for neighboring residential developments.

Materials Aspects

  • > 50 % of composite wood products will be from sustainable source.

  • > 70% of building products are sourced manufactured regionally to reduce transport carbon footprint.

  • > 30% of construction wastes are recycled

Energy Use

  • >22% of annual electricity consumption and > 19% peak demand is reduced through energy efficient features (e.g.  VSD chillers, cooling towers, and lighting, lift and escalator, etc.)

  • > 16% of total energy consumption in carpark are is supported by the proposed renewable energy system

  • Separate energy metering for separate monitoring of electricity use by the air side of the HVAC system; and metering for landlord’s electricity consumption in common space/public areas, etc.

Water Use

  • >51% of fresh water consumption is reduced through water efficient fixtures (e.g. faucets, shower heads, etc.)

  • >50% of fresh water consumption for irrigation is reduced though dripping/ compensated irrigation system

  • >10% of fresh water consumption for irrigation and AC make up is reduced through rainwater harvesting system 

Indoor Environmental Quality

  • Design measures for healthy and active living

  • Enhanced designs for barrier free

  • Target to achieve IAQ Excellent Class in Office and Common areas

  • Good acoustical environment are provided to reduce impact of noise

Innovations and Additions

  • > 100% of carparking spaces shall be equipped with EV charging-enabling

  • > 30% of carparking spaces shall be equipped with medium chargers with output power that is not less than 7kW

Project Details

Completion Year 2025
Number of Blocks 1
Number of Storeys 31
Type Commercial
Total Site Area 4,261 sqm

Project Team

Developer Excelsior Hotel (BVI) Ltd.
Project Manager HKL (Project Management) Ltd.
Architect Ronald Lu & Partners (HK) Ltd.
Sustainable Design Consultant Allied Environmental Consultants Ltd.
Environmental Consultant Allied Environmental Consultants Ltd.
C&S Engineer Meinhardt (C&S) Ltd.
M&E Engineer WSP (Asia) Ltd.
Landscape Architect AECOM Asia Company Ltd.
Quantity Surveyor WTP (HK) Ltd.
Façade Consultant Meinhardt Façade Technology (HK) Ltd.
Acoustic Consultant Campbell Shillinglaw Lau Ltd.
Main Contractor Gammon Engineering & Construction Co. Ltd.

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