Applecross Residences seamus ryan architects luxury home design

A problematic subdivision was given the luxe treatment with ambitious coastal abode. Sitting high on this steep topography, the complex concrete marvel is a technical masterpiece. marrying engineering sustainability and craftsmanship. Featuring seven bedrooms, two ensuite, two bathrooms, three powder rooms and multiple living/entertaining spaces, this sizeable three level home, built on a 4.5m fall, fits its growing family perfectly. Not only does the home neatly accommodate six (including four young children), but it also has space for an au pair and grandparents who stay for long periods. Its spacious design is minimal – built with durable materials – and connects with the stunning ocean views, creating a seamless bridge between inside and out. Seamus from Seamus Ryan Architects achieved the busy family’s brief by providing a modern home that opens up to entertain yet winds back down to a comfortable interior when required “The design blends sustainable techniques with contemporary architecture,’ he says. “The linear form of the home is a direct response to the panoramic views of the Indian Ocean, combining clean vertical lines and long planar geometries – a concrete off-form detail we haven’t seen in the past.” On the ground floor, the modern home features a kids’ lounge area, storeroom/art room, kitchen, mud room, laundry, powder room, home office and lounge room. It is seamlessly connected to the outdoor living space, complete with an alfresco and pool.

19 Perth Architect Seamus Ryan Cottesloe

Upstairs, four kids’ bedrooms, two with ensuites, a bathroom, a guest bedroom with ensuite and the main bedroom with walk-in robe, ensuite, reading nook and access to the roof deck, complete the home’s cosy living areas. Yet it’s down in the basement where all the wow factor happens. Featuring a four-car garage, gym, au pair residence, theatre room, bar with a pool viewing window, games room, cellar, powder room and lift and stairs, this is the ultimate place to hang out. “We love many aspects of the home, from its undercroft bar and theatre connected to the alfresco and pool above with its ocean views to the main living areas, says Seamus. “This house knows how to wind down after long day. The combination of architectural detailing, paired with its custom lighting scheme, makes for very special living experience.’ The chosen materials needed to be durable and reflect the home’s natural surroundings. Off-form concrete, natural stone, charred timber, oak batten ceilings and dark tile create natural textures yet still achieve a bold contrast. “We were keen to push the boundaries with concrete, creating a custom form for the concrete pours for the main feature wall, This achieves a long linear stacked concrete look to tie into the long planar geometries,” says Seamus.

15 Perth Architect Seamus Ryan Cottesloe
Luxury Architect Perth Seamus Ryan City Beach 53

Engineering was quite the task due to the large, heavy concrete structure over an expansive basement. During the engineering process, Seamus and his team integrated the support framework within the plan, thus allowing the rear and side of the home to be clad in a non-structural framed wall. This significantly reduced the labour and structural components while benefitting the insulation envelope performance. Regarding sustainability, a high level of insulation and an airtight membrane ensure the home operates to optimal temperature and reduces the heating-cooling demand. The home is powered by a large rooftop 20kW solar farm with double battery wall storage, and a geothermal heat pump powers underfloor heating and the pool. A heat recovery ventilation system ensures fresh air is supplied to the home between 21 and 25 degrees. “Our client embraced our approach of designing for the future. Passive house principles underpin the home’s energy use and internal comfort levels,” says Seamus. Built on the last remaining site of the subdivision, complete with steep topography and a large sewer easement, this project was ambitious from the get-go. Yet using contemporary, concrete design and passive home principles, this multi-level marvel will be one for the ages. 

21. Perth Architect Seamus Ryan City Beach
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01/ Float glide wall sconce.


02/ Miinggi Jaanymili (Heart Gathering).


03/ Hemmingway Single Natural Hanging.


04/Braid Rug in Blush.


05/ Keisha Coffee Table.


06/ Bompu 40cm Concrete Planter in Dark Grey.

07/ Winter Warrmer Grey Faux Fur Blanket.

Read the Full Feature in Grand Designs Australia Magazine – Issue 11.6