Perry Lakes House
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House Notes – Perry Lakes House
We wanted an energy-efficient home that would make best use of Perth’s sunshine and sea breezes whilst being modern, easy to maintain and suitable for us to live in as we grow older beyond retirement.
We chose a 375m2 block that runs east–west, with nothing on the northern side to block solar access. We designed the house so we could live entirely on the ground floor (kitchen, study, lounge, main bedroom, garage and laundry), with an area for visitors upstairs (two bedrooms, bathroom, lounge and balcony).
We use external shade sails in summer, which we take down in winter, helping us control internal temperatures.
The most impressive feature of the house we have experienced so far has been how warm it gets on a sunny winter’s day – we have scarcely needed to run the reverse-cycle heating (perhaps just twice for 30 minutes at a time). Other features are the amount of light that comes in, the openness of the living area, the wide doorways, huge garage for all our ‘stuff’ – and it is really comfortable!
Designed by Solar Dwellings and built by Nulook Homes.
Sustainability Features
- Energy efficiency:
- Efficient lighting
- Passive heating cooling:
- Cross-ventilation
Passive solar designed home
Shading
Thermal mass
- Active heating cooling:
- Ceiling fans
Split system air conditioner
- Water heating:
- Solar hot water (flat panel)
- Energy Efficient Lighting
- LED lights throughout
Natural daylight
Skylight
- Window Protection:
- Blinds
Deciduous tree/vegetation
Drapes/curtains
Pelmets
Shade sails
- Sustainable materials:
- Solar passive design: volumetric capacity of wall and floor mass to the volume of air in the building and the placement of glazing in relationship to the mass coupled with specific airflow to give a good solar passive outcome.
Low allergen wet areas.
Universal access and ageing-in-place design.
- Insulation Type:
- Under-roof
Ceiling
- Ceiling Type:
- Bulk – glass wool
- Ceiling Rating:
- R4.1
- Under Roof Insulation Type:
- Reflective foil
- Under Roof Insulation Rating:
- R1.3
- All-Electric Home?
- Yes
- Energy star rating:
- 6.4 Stars
- Renewable energy used:
- Solar PV grid-connected
- Size of PV system:
- 6kW
- Total cost of home when constructed:
- $780,000 (built in 2017)
- Cost estimate of sustainable home/features:
- $10,000
- Estimate of annual savings:
- $1000
- House Size
- 245m2 ground floor, 90m2 upper floor
- BAL Rating
- BAL – Low: There is insufficient risk to warrant specific construction requirements
- Roof
- Metal (colorbond)
- Wall Materials
- Double brick
Stone
- Window and Door Types
- Bi-fold
Double hung
Sliding windows/doors
Skylights
- Window and Door Types
- Aneta double-hung windows
- Universal design accessability
- Wheelchair access
- Universal Design Features
- 80cm minimum door opening width
Flush thresholds (no lip) to all external doors
Hobless showers
Lever handles for doors (no knobs)
110cm minimum width hallways
No stairs/steps
No corner cupboards
Power points at 60cm above floor level and 50cm from internal corners
Space around toilets for ease of access in wheelchairs
Tapware to be easily accessed from outside the shower
- Number of bedrooms
- 3
- Number of bathrooms
- 2
- Garden / Outdoors
- Drip irrigation
Green walls
Native plants
- Healthy home features
- Airtight house design
Cabinet design to minimise dust collection
Cross-flow ventilation
Natural light and ventilation
- Housing Type:
- Standalone House
- Project Type:
- New Build
- Open with support of
- Solar Dwellings
- Builder
- Nulook Homes
- Designer
- Solar Dwellings
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