A 60-year-old pepper tree takes centrestage in Alexander Symes’ residential undertaking

February 21, 2023 by No Comments

Uprooting of bushes to create area has been a regular observe within the constructing trade for so long as it has existed. In current occasions, with rising consciousness about sustainable design practices, architects and builders in all places try to create buildings that embrace current treescapes, as an alternative of changing them. The Pepper Tree Passive Home in Unanderra in Australia, by architect Alexander Symes, is one such instance of this idea of sustainability put into observe.



The sprawling canopy of the Pepper Tree | Pepper Tree Passive House | Alexander Symes | STIRworld
The sprawling cover of the Pepper Tree Passive Home Picture: Barton Taylor


The home is greatest described as an angular extension to an current home, appearing as a secondary dwelling, dwelling workplace, and the occasional trip rental. Designed in shut collaboration with native builder Adam Souter, Symes’ largest problem is constructing throughout the structural root zone of a tree. “This was our first passive home course of and in addition our first time constructing throughout the structural root zone of a tree, so there have been many new challenges and we’re delighted with the collaborative course of between the builder, architect, engineers and the consumer that has resulted on this superb dwelling that we’re very happy with,” shares Symes.



The angular house hidden under the Pepper Tree | Pepper Tree Passive House | Alexander Symes | STIRworld
The angular home hidden beneath the pepper tree Picture: Barton Taylor


Along with utilising the weather of sustainable structure, there’s an intentional effort in making the 60-year-old pepper tree the principle design function of the home. It stands tall by way of a gap within the central deck with the home current in two components on both facet of it. The planning and inside design of the home are easy and efficient. It contains a kitchen, a dwelling space, a bed room, a rest room, and a laundry. The central deck, beneath ample shade of the tree, gives alternatives for out of doors seating.



  • Plan of the Pepper Tree Passive House | Pepper Tree Passive House | Alexander Symes | STIRworld
    Plan of the Pepper Tree Passive Home Picture: Courtesy of Alexander Symes






  • The Pepper Tree extending through a hole in the central deck | Pepper Tree Passive House | Alexander Symes | STIRworld
    The pepper tree extending by way of a gap within the central deck Picture: Barton Taylor






  • The Pepper Tree extending through a hole in the central deck | Pepper Tree Passive House | Alexander Symes | STIRworld
    Out of doors seating with a view Picture: Barton Taylor






  • The Pepper Tree extending through a hole in the central deck | Pepper Tree Passive House | Alexander Symes | STIRworld
    Out of doors seating beneath the pepper tree Picture: Barton Taylor



Because the plot is steep, the constructing is raised to satisfy the tree cover and match the peak of the prevailing home. Each sections of the home jut out as cantilevers and linger over the pathway resulting in the doorway. The roof, the place it meets the tree, turns into a roof backyard with drought-tolerant native vegetation and is designed to gather extra rainwater that’s then utilized in the home.



  • A portion of the house hovering over the access path | Pepper Tree Passive House | Alexander Symes | STIRworld
    A portion of the home hovering over the entry path Picture: Barton Taylor






  • The cantilever against the deck | Pepper Tree Passive House | Alexander Symes | STIRworld
    The cantilever in opposition to the deck Picture: Barton Taylor






  • A section of the Pepper Tree Passive House | Pepper Tree Passive House | Alexander Symes | STIRworld
    A piece of the Pepper Tree Passive Home Picture: Courtesy of Alexander Symes



By a considerate design that works towards preserving the pure biodiversity of the location, it’s the materials palette of the home that really stands out. The outside picket cladding, chosen as a response to the pepper tree, is charred to create a water-resistant outer floor. It is a Japanese method referred to as Shou Sugi Ban. Along with creating a water-resistant envelope, it creates a strong aesthetic. 



External cladding of the house | Pepper Tree Passive House | Alexander Symes | STIRworld
Exterior cladding of the home Picture: Barton Taylor


‘The Yakisugi cladding was chosen as it’s a renewable materials with low embodied power, low upkeep and termite resistance. Nevertheless, it is also about the way it responds and respects the pepper tree. The pepper tree’s bark is sort of black and the approach this cladding echoes the hero of the undertaking (preservation and celebration of the 60-year-old tree) and the best way the inexperienced leaves of the tree play with the inexperienced roof, implies that you actually really feel emerged in a pure atmosphere, nearly akin to strolling by way of a forest submit a current bushfire,” provides the Australian architect.



The Yakisugi Cladding complementing the Pepper Tree | Pepper Tree Passive House | Alexander Symes | STIRworld
The Yakisugi cladding complementing the pepper tree Picture: Barton Taylor


The home predominantly makes use of salvaged and ‘waste’ supplies, very like the recycled sandstone bricks used on the flooring and partitions to interrupt the monotony of the timber clad interiors. All of the supplies are used to additional improve the sustainable design of the residential constructing.



Recycled sandstone bricks are used throughout the house | Pepper Tree Passive House | Alexander Symes | STIRworld
Recycled sandstone bricks have been used all through the home Picture: Barton Taylor


The bed room is compact, and the dwelling space hides a workstation in one of many cabinets. The kitchen boasts of a breakfast nook that appears out to the close by Mount Kembla. The home makes use of quite a lot of small and enormous home windows to create a lightweight and ethereal ambiance in an in any other case restricted area.



  • The Bedroom | Pepper Tree Passive House | Alexander Symes | STIRworld
    Inside view of the bed room Picture: Barton Taylor






  • The workstation hid within a cupboard | Pepper Tree Passive House | Alexander Symes | STIRworld
    The workstation hid behind the cabinet doorways Picture: Barton Taylor






  • The kitchen and the breakfast nook | Pepper Tree Passive House | Alexander Symes | STIRworld
    The kitchen and the breakfast nook Picture: Barton Taylor






  • A variety of windows | Pepper Tree Passive House | Alexander Symes | STIRworld
    Home windows in several sizes Picture: Barton Taylor



The Pepper Tree Passive Home is the winner of the Sustainable Structure Award 2022 from The Institute of Architects NSW. It’s clear from the planning to the fabric choice, that it was designed to be a climate-responsive design that’s thoughtful in the direction of the atmosphere and its inhabitants alike.

Undertaking Particulars

Title: Pepper Tree Passive Home

Location: Unanderra, Australia

Yr of completion: 2022

Architect: Alexander Symes.

Builder: Souter Constructed

Inside Design: Paiano Design

Structural Engineer: Northrop

Panorama Architect: Grant Clement

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