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Home report
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11 Wonga Street Strathfield NSW 2135
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BASIX certificate and NatHERS rating
This home has a NatHERS rating of 7 stars out of 10. Its BASIX certificate commits it to 3 kW of solar panels and a 4,000 litre rainwater tank. It beat its BASIX energy and water targets, scoring 73 against 72 for energy and 41 against 40 for water.
Key features
- Windows
- 42 windows and glazed doors
- Wall insulation
- All external walls foil-foam composite board+ foil/sarking
- Roof and ceiling insulation
- Roof Added insulation absorptance Roof Colour SLAB-200-CEIL-01: Concrete Slab (200mm) with Suspended PB Ceiling 2.68, light colour
- Hot water
- Electric instantaneous
- Air conditioning and heating
- 3-phase airconditioning (living area and bedroom)
BASIX certificate
- Energy score
- 73 (target 72)
- Water score
- 41 (target 40)
- Thermal performance
- Pass
- Materials score
- -100
- Heating load
- 16 MJ/m² a year
- Cooling load
- 14 MJ/m² a year
- Bedrooms
- 5
- Conditioned floor area
- 315.9 m²
- Unconditioned floor area
- 34.6 m²
- Site area
- 574 m²
- Roof area
- 239 m²
- Garden area
- 249 m²
- Climate zone
- NatHERS climate zone 56
- Hot water
- Electric instantaneous
- Solar panels
- 3 kW
- Rainwater tank
- 4,000 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 115.4 m², double glazing 115.4 m²
Heating
- Living area: 3-phase airconditioning; Energy rating: EER 3.0 - 3.5
- Bedroom: 3-phase airconditioning; Energy rating: EER 3.0 - 3.5
Cooling
- Living area: 3-phase airconditioning; Energy rating: EER 3.0 - 3.5
- Bedroom: 3-phase airconditioning; Energy rating: EER 3.0 - 3.5
Construction and insulation
- Floor: concrete slab on ground, conventional slab (polystyrene)
- Floor: suspended floor above open subfloor, concrete - suspended; frame: timber - H2 treated softwood (no added insulation)
- Floor: above habitable rooms or mezzanine, concrete - suspended; frame: timber - H2 treated softwood (no added insulation)
- Floor: suspended floor above garage, concrete - suspended; frame: timber - H2 treated softwood (no added insulation)
- Garage floor: concrete slab on ground (polystyrene)
- External wall: cavity brick; frame: no frame. all external walls foil-foam composite board+ foil/sarking
- External garage wall: cavity brick; frame: no frame (foil-foam composite board+ foil/sarking)
- Internal wall: single skin masonry; frame: no frame (no added insulation)
- Ceiling and roof: flat ceiling / pitched roof, concrete - plasterboard internal, timber - H2 treated softwood (ceiling: fibreglass batts or roll; roof: none.)
Certificate 1800325S, issued 18 June 2025, from the council's DA documents.
NatHERS certificate
- Star rating
- 7 stars
- Rated with
- Hero 4.1
- Rated on
- 18 Jun 2025
- Living room glazing by direction
- N 31 m², S 32.6 m², SW 4.1 m², WSW 2.2 m², W 5.9 m², NW 4.1 m², NNW 2.1 m²
- All glazing by direction
- N 34.9 m², E 12.9 m², S 46.3 m², SW 4.1 m², WSW 2.2 m², W 8.9 m², NW 4.1 m², NNW 2.1 m²
Roof
- Added insulation absorptance Roof Colour SLAB-200-CEIL-01: Concrete Slab (200mm) with Suspended PB Ceiling 2.68, light colour
Window schedule
- Bedroom 1 HASWD-030-045 W08: 900 × 2,600 mm facing E
- Bedroom 1 HAFWD-025-037 W10: 2,200 × 2,200 mm facing S
- Bedroom 2 HASWD-030-045 W08: 900 × 2,600 mm facing E
- Bedroom 3 HASWD-030-045 W08: 900 × 2,600 mm facing E
- Butler's HASWD-030-045 W05: 600 × 3,000 mm facing E
- ENS 1 HASWD-030-045 W04: 600 × 1,300 mm facing E
- ENS 3 HASWD-030-045 W06: 900 × 900 mm facing E
- Family Room HAAWD-030-050 W02: 2,700 × 800 mm facing S
- Family Room HAFWD-025-037 W03: 2,700 × 2,000 mm facing S
- Guest Bedroom HAFWD-025-037 W01: 2,700 × 2,500 mm facing S
- Guest Bedroom HAAWD-030-050 W02: 2,700 × 800 mm facing S
- Guest ENS HASWD-030-045 W04: 600 × 1,300 mm facing E
- Guest WC HASWD-030-045 W06: 900 × 900 mm facing E
- Kitchen/Living HAFWD-025-037 W09: 2,900 × 757 mm facing SW
- Kitchen/Living HAFWD-025-037 W09: 2,900 × 757 mm facing WSW
- Kitchen/Living HAFWD-025-037 W09: 2,900 × 757 mm facing W
- Kitchen/Living HAFWD-025-037 W09: 2,900 × 757 mm facing NW
- Kitchen/Living HAFWD-025-037 W09: 2,900 × 707 mm facing NNW
- Kitchen/Living HAFWD-025-037 W09: 2,900 × 705 mm facing N
- Kitchen/Living HAFWD-025-037 W09: 2,900 × 705 mm facing N
- Kitchen/Living HAFWD-025-037 W09: 3,400 × 740 mm facing S
- Kitchen/Living HAFWD-025-037 W09: 3,400 × 740 mm facing S
- Kitchen/Living HAFWD-025-037 W09: 3,400 × 740 mm facing S
- Kitchen/Living HAFWD-025-037 W15: 3,400 × 740 mm facing S
- Kitchen/Living HASDD-025-041 SD01: 2,960 × 4,420 mm facing N
- Kitchen/Living HAFWD-025-037 W08: 3,000 × 2,600 mm facing N
- Laundry HASWD-030-045 W07: 600 × 1,500 mm facing E
- Master Bedroom HAFWD-025-037 W14: 1,200 × 3,200 mm facing N
- Master ENS HAFWD-025-037 W13: 2,500 × 1,200 mm facing W
- Rumpus HAFWD-025-037 W15: 2,500 × 747 mm facing SW
- Rumpus HAFWD-025-037 W15: 2,500 × 747 mm facing W
- Rumpus HAFWD-025-037 W15: 2,500 × 747 mm facing W
- Rumpus HAFWD-025-037 W15: 2,500 × 747 mm facing NW
- Rumpus HAFWD-025-037 W15: 2,500 × 835 mm facing N
- Rumpus HAFWD-025-037 W15: 2,500 × 835 mm facing N
- Rumpus HAFWD-025-037 W15: 2,500 × 747 mm facing N
- Rumpus HAFWD-025-037 W12: 2,200 × 1,900 mm facing S
- Rumpus HAFWD-025-037 W11: 2,200 × 1,400 mm facing S
- Kitchen/Living HAFWD-025-037 W15: 2,600 × 740 mm facing S
- Kitchen/Living HAFWD-025-037 W15: 2,600 × 740 mm facing S
- Kitchen/Living HAFWD-025-037 W15: 2,600 × 740 mm facing S
- Kitchen/Living HAFWD-025-037 W15: 2,600 × 740 mm facing S
Certificate HR-JOZQJM-01, issued 18 June 2025, from the council's DA documents. Verify this certificate
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