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Home report
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20 Violet Street Croydon Park NSW 2133
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BASIX certificate and NatHERS rating
This home has a NatHERS rating of 7.1 stars out of 10. Its BASIX certificate commits it to 6 kW of solar panels and a 1,500 litre rainwater tank. Its NatHERS certificate lists insulation in the external walls, ceiling and floor. It beat its BASIX energy target, scoring 87 against 72.
Key features
- Windows
- 40 windows and glazed doors: Aluminium B SG High Solar Gain Low-E; Aluminium A SG High Solar Gain Low-E
- Wall insulation
- R2.7
- Roof and ceiling insulation
- Ceiling R2.5, R4, roof Waterproofing Membrane No Insulation, Only an Air Gap, medium colour
- Hot water
- Gas instantaneous with a performance of 4 stars
- Air conditioning and heating
- 1-phase airconditioning, ducted (living area and bedroom)
BASIX certificate
- Energy score
- 87 (target 72)
- Water score
- 40 (target 40)
- Thermal performance
- Pass
- Materials score
- -63
- Heating load
- 18 MJ/m² a year
- Cooling load
- 12 MJ/m² a year
- Bedrooms
- 5
- Conditioned floor area
- 241.5 m²
- Unconditioned floor area
- 17.4 m²
- Site area
- 480 m²
- Roof area
- 200 m²
- Garden area
- 53 m²
- Climate zone
- NatHERS climate zone 56
- Hot water
- Gas instantaneous with a performance of 4 stars
- Solar panels
- 6 kW
- Rainwater tank
- 1,500 litres
- Fixtures
- Showerheads 4 star, toilets 4 star, kitchen taps 4 star, basin taps 4 star
- LED lighting
- Yes
- Cooktop
- Gas
- Clothes line
- Yes
- Maximum glazing
- aluminium frames 81.4 m², single glazing 81.4 m²
Heating
- Living area: 1-phase airconditioning - ducted; Energy rating: 2 star (average zone)
- Bedroom: 1-phase airconditioning - ducted; Energy rating: 2 star (average zone)
Cooling
- Living area: 1-phase airconditioning - ducted; Energy rating: 2 star (average zone)
- Bedroom: 1-phase airconditioning - ducted; Energy rating: 2 star (average zone)
Construction and insulation
- Floor: concrete slab on ground, conventional slab (no added insulation)
- Garage floor: concrete slab on ground (no added insulation)
- External wall: cavity brick; frame: no frame (foil-foam composite board)
- External wall: concrete panel/plasterboard; frame: no frame (no added insulation)
- External wall: brick veneer; frame: timber - H2 treated softwood (fibreglass batts or roll+ foil/sarking)
- External garage wall: concrete block/plasterboard; frame: no frame (no added insulation)
- Internal wall: single skin masonry; frame: no frame (no added insulation)
- Internal wall: plasterboard; frame: timber - H2 treated softwood (no added insulation)
- Ceiling and roof: flat ceiling / flat roof, framed - concrete tiles , timber - H2 treated softwood (ceiling: fibreglass batts or roll; roof: foil/sarking.)
Certificate 1838171S, issued 18 March 2026, from the council's DA documents.
NatHERS certificate
- Star rating
- 7.1 stars
- Rated with
- BERS Pro v5.2.6 (3.23)
- Rated on
- 18 Mar 2026
- Wall insulation
- R2.7
- Ceiling insulation
- R2.5, R4
- Floor insulation
- R2.7
- LED downlights
- 43
- Living room glazing by direction
- N 13.2 m², E 19 m², S 6.8 m², W 10.9 m²
- All glazing by direction
- N 19.3 m², E 25.1 m², S 15.6 m², W 21.4 m²
Roof
- Waterproofing Membrane No Insulation, Only an Air Gap, medium colour
- Roof Tiles Timber Frame Foil, Gap Above, Reflective Side Down, Anti-glare Up, dark colour
Window types
- ALM-002-03 A Aluminium B SG High Solar Gain Low-E: U-value 5.4, SHGC 0.58
- ALM-001-03 A Aluminium A SG High Solar Gain Low-E: U-value 5.4, SHGC 0.49
Window schedule
- Guest Bedroom, window ALM-002-03 A: 600 × 1,800 mm facing W
- Guest Bedroom, window ALM-002-03 A: 2,100 × 900 mm facing S
- Guest Bedroom, window ALM-002-03 A: 2,100 × 900 mm facing S
- Guest Bedroom, window ALM-002-03 A: 2,100 × 900 mm facing S
- bath, window ALM-002-03 A: 900 × 900 mm facing W
- ldry, window ALM-001-03 A: 2,140 × 820 mm facing W
- rumpus, window ALM-002-03 A: 2,280 × 385 mm facing E
- rumpus, window ALM-002-03 A: 2,280 × 385 mm facing E
- rumpus, window ALM-002-03 A: 3,864 × 1,400 mm facing E
- rumpus, window ALM-002-03 A: 2,100 × 900 mm facing E
- rumpus, window ALM-002-03 A: 2,100 × 900 mm facing S
- rumpus, window ALM-002-03 A: 2,100 × 900 mm facing S
- Kitchen/Living, window ALM-002-03 A: 800 × 1,300 mm facing W
- Kitchen/Living, window ALM-002-03 A: 800 × 1,300 mm facing W
- Kitchen/Living, window ALM-002-03 A: 800 × 2,100 mm facing N
- Kitchen/Living, window ALM-002-03 A: 2,700 × 2,330 mm facing W
- Kitchen/Living, window ALM-001-03 A: 2,700 × 920 mm facing W
- Kitchen/Living, window ALM-001-03 A: 2,700 × 4,270 mm facing N
- Kitchen/Living, window ALM-002-03 A: 2,100 × 900 mm facing E
- Kitchen/Living, window ALM-002-03 A: 2,100 × 900 mm facing E
- Kitchen/Living, window ALM-002-03 A: 2,100 × 900 mm facing E
- Bedroom 2, window ALM-002-03 A: 1,700 × 900 mm facing W
- Bedroom 2, window ALM-002-03 A: 1,700 × 900 mm facing W
- Bedroom 2, window ALM-002-03 A: 1,700 × 900 mm facing S
- Bedroom 2, window ALM-002-03 A: 1,700 × 900 mm facing S
- ens, window ALM-002-03 A: 900 × 900 mm facing W
- bath, window ALM-002-03 A: 1,700 × 900 mm facing W
- Bedroom 3, window ALM-002-03 A: 1,700 × 900 mm facing W
- Bedroom 3, window ALM-002-03 A: 1,700 × 900 mm facing N
- Bedroom 3, window ALM-002-03 A: 1,700 × 900 mm facing N
- Bedroom 4, window ALM-002-03 A: 1,700 × 900 mm facing N
- Bedroom 4, window ALM-002-03 A: 1,700 × 900 mm facing N
- Bedroom 4, window ALM-002-03 A: 1,700 × 900 mm facing E
- Bedroom 4, window ALM-002-03 A: 1,700 × 900 mm facing E
- Bedroom 5, window ALM-002-03 A: 1,700 × 900 mm facing E
- Bedroom 5, window ALM-002-03 A: 1,700 × 900 mm facing E
- family retreat, window ALM-002-03 A: 1,500 × 1,800 mm facing E
- family retreat, window ALM-002-03 A: 1,700 × 900 mm facing E
- family retreat, window ALM-002-03 A: 1,700 × 900 mm facing S
- family retreat, window ALM-002-03 A: 1,700 × 900 mm facing S
Certificate 0012855342, issued 18 March 2026, from the council's DA documents. Verify this certificate
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