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Home report
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1 Girralong Avenue Baulkham Hills NSW 2153
BASIX certificate and NatHERS rating
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This home has a NatHERS rating of 7 stars out of 10. Its BASIX certificate commits it to 6.4 kW of solar panels and a 3,000 litre rainwater tank. Its NatHERS certificate lists insulation in the external walls, ceiling and floor. It beat its BASIX energy target, scoring 91 against 72.
Key features
- Windows
- 21 windows and glazed doors
- Wall insulation
- R2.5
- Roof and ceiling insulation
- Ceiling R2.5, R6, roof Corrugated Iron Timber Frame Bulk, Reflective Side Down, No Air Gap Above R1.3, medium colour
- Hot water
- Gas instantaneous with a performance of 6 stars
- Air conditioning and heating
- 3-phase airconditioning (living area and bedroom)
Built by Eden Brae Holdings.
BASIX certificate
- Energy score
- 91 (target 72)
- Water score
- 40 (target 40)
- Thermal performance
- Pass
- Materials score
- -100
- Heating load
- 17 MJ/m² a year
- Cooling load
- 13 MJ/m² a year
- Bedrooms
- 5
- Conditioned floor area
- 275.4 m²
- Unconditioned floor area
- 19.1 m²
- Site area
- 712 m²
- Roof area
- 249 m²
- Garden area
- 433 m²
- Climate zone
- NatHERS climate zone 56
- Hot water
- Gas instantaneous with a performance of 6 stars
- Solar panels
- 6.4 kW
- Rainwater tank
- 3,000 litres
- Fixtures
- Showerheads 4 star, toilets 3 star, kitchen taps 3 star, basin taps 3 star
- LED lighting
- Yes
- Cooktop
- Gas
- Clothes line
- Yes
- Maximum glazing
- aluminium frames 55.1 m², single glazing 5.3 m², double glazing 49.8 m²
Heating
- Living area: 3-phase airconditioning; Energy rating: EER 3.5 - 4.0
- Bedroom: 3-phase airconditioning; Energy rating: EER 3.5 - 4.0
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, waffle pod slab (no added insulation)
- Floor: suspended floor above open subfloor, particle board; frame: light steel frame (no added insulation)
- Floor: above habitable rooms or mezzanine, particle board; frame: light steel frame (no added insulation)
- Floor: suspended floor above garage, particle board; frame: light steel frame (not specified)
- Garage floor: concrete slab on ground, waffle pod slab (no added insulation)
- External wall: brick veneer; frame: light steel frame. all external walls not specified
- Internal wall: plasterboard; frame: light steel frame (no added insulation)
- Internal wall: plasterboard; frame: light steel frame (not specified)
- Ceiling and roof: flat ceiling / pitched roof, framed - metal roof, light steel frame (ceiling: not specified; roof: not specified.)
Certificate 1815340S, issued 1 October 2025, from the council's DA documents.
NatHERS certificate
- Star rating
- 7 stars
- Rated with
- BERS Pro v5.2.4 (3.23)
- Rated on
- 01 Oct 2025
- Wall insulation
- R2.5
- Ceiling insulation
- R2.5, R6
- Floor insulation
- R2.5, R2
- Living room glazing by direction
- SE 4.7 m², SW 16.8 m², NW 2.2 m²
- All glazing by direction
- NE 17 m², SE 11.2 m², SW 19.7 m², NW 7.2 m²
Roof
- Corrugated Iron Timber Frame Bulk, Reflective Side Down, No Air Gap Above R1.3, medium colour
Window schedule
- L'DRY STG-007-003-001 W1/L'DRY: 1,200 × 1,200 mm facing NW
- KITCHEN STG-074-014-001 W1/KITCHEN: 700 × 2,100 mm facing SW
- KITCHEN STG-066-339-001 W1/KITCHEN: 1,200 × 1,800 mm facing NW
- FAMILY/LOUNGE STG-066-339-001 W1/FAMILY: 1,800 × 2,600 mm facing SE
- FAMILY/LOUNGE STG-004-031-001 SD1/LOUNGE: 2,400 × 3,200 mm facing SW
- FAMILY/LOUNGE STG-004-031-001 SD1/FAMILY: 2,400 × 3,200 mm facing SW
- MEDIA STG-066-339-001 W1/MEDIA: 1,800 × 2,100 mm facing SE
- PDR STG-007-003-001 W1/PDR: 900 × 600 mm facing SE
- HOME OFFICE STG-001-062-001 W1/HOME OFFICE: 2,000 × 1,800 mm facing NE
- GUEST STG-001-062-001 W1/GUEST: 2,000 × 1,800 mm facing NE
- BED 1 STG-001-062-001 W1/BED1: 1,200 × 1,800 mm facing NE
- BED 1 STG-001-062-001 W2/BED1: 1,200 × 1,800 mm facing NE
- ENS STG-007-003-001 W1/ENS/BED1: 1,200 × 1,800 mm facing SE
- WC STG-002-003-001 W1/WC: 600 × 700 mm facing SW
- BED 4 STG-066-339-001 W1/BED4: 800 × 2,100 mm facing SW
- BATH STG-002-003-001 W1/BATH: 800 × 700 mm facing SW
- BATH STG-002-003-001 W2/BATH: 300 × 700 mm facing SW
- GAMES ROOM STG-074-014-001 W2/GAMES ROOM: 1,200 × 900 mm facing NW
- GAMES ROOM STG-001-062-001 W1/GAMES ROOM: 1,200 × 2,800 mm facing NE
- BED 2 STG-001-062-001 W1/BED2: 1,200 × 1,800 mm facing NE
- BED 3 STG-066-339-001 W1/BED3: 1,200 × 2,100 mm facing NW
Certificate 0012258208, issued 1 October 2025, from the council's DA documents. Verify this certificate
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