The Castlereagh Apartments, Sydney

The Castlereagh Apartments Sydney CBD, Lenland Housing, Flats, Building, Australian Property

The Castlereagh Apartments, Sydney

Australian Residential Building – design by Tony Owen Partners, Architects

23 Dec 2015

The Castlereagh Apartments in Sydney

The Castlereagh Apartments, Sydney, by Tony Owen Partners

Design: Tony Owen Partners, Architects

The Castlereagh Apartments
images from architects

The Castlereagh by Tony Owen Partners is a 16 storey apartment building located in the bustling heart of Sydney’s CBD. It contains 55 luxury apartments, retail and office space.

The Castlereagh Apartments

The 5 level podium is predominantly precast concrete. This was chosen as it is consistent with a number of the surrounding buildings which have a solid expression predominantly in concrete. The podium takes the form of angled widow boxes. These boxes are angled to maximise sun penetration and create a stark modelling in sunlight. This articulation creates a lively contemporary expression which reflects its surroundings.

The Castlereagh Apartments

The majority of the façade is clad in adjustable metal louvre screens in a copper tone. These screens provide shading to reduce heat load as well as screen balconies for privacy and aesthetic appearance. The screens are unique in that they sometimes span 2 levels. This is achieved using an ingenious track system to avoid clashes. The mixture of screens of different heights creates a unique mosaic patterning. The building contains a 6m x 6m ventilation shaft. This shaft provides natural ventilation to the units.

The Castlereagh Apartments

The development is a residential building with the facades largely characterised by winter gardens. This inherently suggests a predominantly open facade. At the same time, in the context of the site a degree of solidity is desirable. The design balances this with an exploration of different modes of solidity. The façade incorporates a palette of finishes which express solidity in different ways. In the tower these finishes include glass with a bronze patterned fritte, glass with a white patterned fritte, glass louvres and a darker glass.

The Castlereagh Apartments

These materials are composed in a layered massing to create a modelled façadeThe development is a residential building with the facades largely characterised by winter gardens. This inherently suggests a predominantly open facade. At the same time, in the context of the site a degree of solidity is desirable. The design balances this with an exploration of different modes of solidity. The façade incorporates a palette of finishes which express solidity in different ways. In the tower these finishes include glass with a bronze patterned fritte, glass with a white patterned fritte, glass louvres and a darker glass. These materials are composed in a layered massing to create a modelled façade.

The Castlereagh Apartments

The Castlereagh Apartments – Building Information

Project Title: The Castlereagh Apartments, Sydney
Client: Lenland
Architect: Tony Owen Partners
Site area: 400m2
Gross Floor area: 5000m2
Location: Sydney CBD, Australia
Status: Complete
Project start date: 2012
Cost: $40mil

The Castlereagh Apartments

The Castlereagh Apartments, Sydney images / information from Tony Owen Partners

Tony Owen Partners

Location: Sydney, New South Wales, Australia




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