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Terrace House

Alteration & Addition w/ Brandon Yip

St Peters, NSW

Heritage & Passive Design


The project reconfigures the notoriously narrow and tight typology of the terrace house, with the primary goal of providing better liveability and spatial organisation, lighting, sustainability and thermal qualities. This alterations and additions to a double-storey terrace house on a corner site in St Peters maintains the bulk of the existing external envelope and items of heritage significance and reconfigures the internal layouts and floor heights in order to facilitate an additional attic space, a bedroom, living spaces and bathrooms with better solar access and spatial organisation.

Site Analysis.JPG

An open plan living, kitchen and dining space are connected to a central courtyard which can be used independently of or as an extension to living and dining spaces. The design replaces a gloomy service wing and creates a direct connection between living and studio spaces, enclosing the outdoor courtyard and integrating exterior and interior spaces. Vegetation is also well integrated into circulation and living spaces.

short sections elevations sarah anstee.j

Short Sections


Streetscape Elevation

The site is located within the Goodsell Estate Heritage Conservation Area and enhances the core values of the HCA:​

  • The bulk and mass of the development is appropriate to the laneway, does not impact existing views, and reinforces terrace character

  • Materials evidence the sites former use as a brick pit

  • Timber louvres allow visual connection between residence and public street

  • Front/main bulk is to be retained & reinstated where damage is visible

  • Connections between the street and internal communal areas are enhanced for increased neighbourhood surveillance and opportunities for social interaction

BDES3025_SEE_BS Studio.jpg
west elevation sarah anstee.jpg
terrace extension external render 1.jpg
terrace extension external render.jpg

Passive Design & Water Efficient Landscaping Principles

The project enhances ecological sustainability through the integration of passive thermal design, local biodiversity, stormwater infiltration, solar hot water, on-site rainwater storage, greywater re-use, recycling & waste reduction:

  • An open courtyard and butterfly roof on the extension allows improved natural lighting conditions and ventilation, optimized for passive solar heating and cooling, reducing energy consumption

  • Thermal mass floors retain heat in winter

  • Main living areas open to the north

  • use of sustainable materials (timber and recycled brick)

  • Solar hot water installed on the roof of the addition

  • Collecting and reusing rainwater

  • Maximizing the capture of rainfall for rainwater re-use in gardens, laundry, and toilets, as well as to prevent runoff from flowing into Council drains

  • Stormwater infiltration through porous landscape elements

planter box detail.jpg
passive design consideratiosn sarah anst

University Projects

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