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Home report
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21 Birralee Drive Lake Innes NSW 2446
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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 6.6 kW of solar panels and a 10,000 litre rainwater tank. It beat its BASIX energy and water targets, scoring 100 against 70 for energy and 56 against 40 for water.
Key features
- Windows
- 43 windows and glazed doors: Type 076 Series Aluminium Sliding Window - Double Glazed; Type 138 Series Aluminium Double Hung Window - Double Glazed; Type 451 Series Aluminium Fixed Window - Double Glazed and 4 more types
- Wall insulation
- All external walls fibreglass batts or roll+ foil/sarking
- Roof and ceiling insulation
- Roof Added insulation absorptance Roof Colour ATTIC-METAL-01: Pitched / Attic Metal Roof (Roofspace) & Flat PB Ceiling 1.80, medium colour
- Hot water
- Electric storage
- Air conditioning and heating
- 1-phase airconditioning, ducted (living area and bedroom)
BASIX certificate
- Energy score
- 100 (target 70)
- Water score
- 56 (target 40)
- Thermal performance
- Pass
- Materials score
- -79
- Heating load
- 25 MJ/m² a year
- Cooling load
- 25 MJ/m² a year
- Bedrooms
- 5
- Conditioned floor area
- 235.9 m²
- Unconditioned floor area
- 26.9 m²
- Site area
- 25,106 m²
- Roof area
- 450 m²
- Garden area
- 450 m²
- Climate zone
- NatHERS climate zone 15
- Hot water
- Electric storage
- Solar panels
- 6.6 kW
- Rainwater tank
- 10,000 litres
- Fixtures
- Showerheads 4 star, toilets 3 star, kitchen taps 3 star, basin taps 3 star
- LED lighting
- Yes
- Cooktop
- Induction
- Clothes line
- Yes
- Maximum glazing
- aluminium frames 86.2 m², double glazing 86.2 m²
Heating
- Living area: 1-phase airconditioning - ducted; Energy rating: 3.5 Star (old label)
- Bedroom: 1-phase airconditioning - ducted; Energy rating: 3.5 Star (old label)
Cooling
- Living area: 1-phase airconditioning - ducted; Energy rating: 3.5 Star (old label)
- Bedroom: 1-phase airconditioning - ducted; Energy rating: 3.5 Star (old label)
Construction and insulation
- Floor: concrete slab on ground, waffle pod slab (no added insulation)
- Garage floor: concrete slab on ground, waffle pod slab (no added insulation)
- External wall: framed (fibre cement sheet or boards); frame: timber - H2 treated softwood. all external walls fibreglass batts or roll+ foil/sarking
- External garage wall: framed (fibre cement sheet or boards); frame: timber - H2 treated softwood (fibreglass batts or roll+ foil/sarking)
- Internal wall: plasterboard; frame: timber - H2 treated softwood (no added insulation)
- Internal wall: plasterboard; frame: timber - H2 treated softwood (fibreglass batts or roll)
- Ceiling and roof: flat ceiling / pitched roof, framed - metal roof, timber - H2 treated softwood (ceiling: fibreglass batts or roll; roof: foil backed blanket.)
Certificate 1835338S, issued 2 March 2026, from the council's DA documents.
NatHERS certificate
- Star rating
- 7.1 stars
- Rated with
- Hero 4.1
- Rated on
- 02 Mar 2026
- Living room glazing by direction
- SSE 9.7 m², WSW 14.1 m², NNW 13.4 m²
- All glazing by direction
- ENE 20.8 m², SSE 14.8 m², WSW 25.5 m², NNW 25.2 m²
Roof
- Added insulation absorptance Roof Colour ATTIC-METAL-01: Pitched / Attic Metal Roof (Roofspace) & Flat PB Ceiling 1.80, medium colour
Window types
- GJA-004-041 Type 076 Series Aluminium Sliding Window - Double Glazed: U-value 3.5, SHGC 0.33
- GJA-020-002 Type 138 Series Aluminium Double Hung Window - Double Glazed: U-value 3.5, SHGC 0.52
- GJA-031-074 Type 451 Series Aluminium Fixed Window - Double Glazed: U-value 4, SHGC 0.61
- GJA-171-309 Type 246 Series Aluminium Sliding Door - Double Glazed: U-value 3.9, SHGC 0.62
- TND-029-313 Trend Synergy Residential Aluminium Double Hung Window - Double Glazed: U-value 3.2, SHGC 0.47
- TND-100-039 Trend ThermaRes Thermally Broken Fixed Window: U-value 1.4, SHGC 0.5
- TND-108-023 Trend ThermaRes Thermally Broken Sliding Door: U-value 1.7, SHGC 0.47
Window schedule
- BATH, window GJA-020-002: 860 × 785 mm facing ENE
- BATH, window GJA-031-074: 860 × 785 mm facing ENE
- BED 1, window TND-029-313: 1,800 × 666 mm facing ENE
- BED 1, window TND-029-313: 1,800 × 666 mm facing ENE
- BED 1, window TND-100-039: 1,800 × 1,318 mm facing ENE
- BED 1, window TND-108-023: 2,350 × 2,700 mm facing WSW
- BED 2, window GJA-004-041: 1,000 × 2,100 mm facing SSE
- BED 3, window GJA-004-041: 1,000 × 2,100 mm facing SSE
- BED 4, window GJA-004-041: 1,000 × 2,100 mm facing ENE
- BED 5 / RUMPUS, window TND-029-313: 1,460 × 883 mm facing SSE
- BED 5 / RUMPUS, window TND-029-313: 1,460 × 883 mm facing SSE
- BED 5 / RUMPUS, window TND-100-039: 1,460 × 883 mm facing SSE
- ENS, window TND-029-313: 2,050 × 610 mm facing NNW
- FOYER, window TND-029-313: 2,050 × 785 mm facing ENE
- FOYER, window TND-029-313: 2,050 × 850 mm facing ENE
- FOYER, window TND-100-039: 2,340 × 300 mm facing WSW
- GALLERY 1, window TND-029-313: 2,050 × 850 mm facing NNW
- GALLERY 2, window TND-108-023: 2,350 × 3,200 mm facing NNW
- GALLERY 2, window TND-029-313: 2,050 × 850 mm facing WSW
- GALLERY 2, window TND-029-313: 2,050 × 850 mm facing WSW
- GARAGE / GYM, window TND-029-313: 1,200 × 666 mm facing ENE
- GARAGE / GYM, window TND-029-313: 1,200 × 666 mm facing ENE
- GARAGE / GYM, window GJA-031-074: 1,200 × 1,318 mm facing ENE
- Kitchen/Living 1, window TND-029-313: 1,460 × 785 mm facing SSE
- Kitchen/Living 1, window TND-029-313: 1,460 × 785 mm facing SSE
- Kitchen/Living 1, window TND-029-313: 1,460 × 785 mm facing SSE
- Kitchen/Living 1, window TND-029-313: 1,460 × 785 mm facing SSE
- Kitchen/Living 1, window TND-029-313: 1,460 × 850 mm facing SSE
- Kitchen/Living 1, window TND-029-313: 2,050 × 850 mm facing NNW
- Kitchen/Living 1, window TND-100-039: 443 × 1,150 mm facing WSW
- Kitchen/Living 1, window TND-100-039: 886 × 1,150 mm facing WSW
- Kitchen/Living 1, window TND-100-039: 443 × 1,150 mm facing WSW
- Kitchen/Living 1, window TND-100-039: 1,050 × 1,150 mm facing WSW
- Kitchen/Living 1, window TND-029-313: 2,050 × 850 mm facing NNW
- Kitchen/Living 1, window TND-108-023: 2,350 × 4,200 mm facing NNW
- Kitchen/Living 1, window TND-108-023: 2,350 × 4,600 mm facing WSW
- LAUNDRY, window GJA-171-309: 2,350 × 1,500 mm facing ENE
- LAUNDRY, window TND-029-313: 1,460 × 610 mm facing WSW
- OFFICE, window TND-029-313: 2,050 × 850 mm facing ENE
- PWD, window GJA-020-002: 860 × 900 mm facing ENE
- W.I.P, window TND-029-313: 1,460 × 610 mm facing SSE
- WC, window TND-029-313: 1,200 × 610 mm facing NNW
- WC 1, window GJA-004-041: 500 × 1,200 mm facing NNW
Certificate HR-IBF696-01, issued 2 March 2026, from the council's DA documents.
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