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Home report
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21 Lushington Street East Gosford NSW 2250
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BASIX certificate and NatHERS rating
This home has a NatHERS rating of 7.7 stars out of 10. Its BASIX certificate commits it to a 1,600 litre rainwater tank. Its NatHERS certificate lists insulation in the external walls, ceiling and floor.
Key features
- Windows
- 14 windows and glazed doors: Timber A SG Clear; Essential Sliding Window 67 DG 4mmClr_10Ar_4mmClr; Manor Awning Window DG 3/12/3 and 1 more types
- Wall insulation
- R2.2
- Roof and ceiling insulation
- Ceiling R6.0, roof Cont:Attic-Continuous 0.0, light colour
- Hot water
- Gas instantaneous with a performance of 6 stars
- Air conditioning and heating
- 1-phase airconditioning, ducted (living area and bedroom)
BASIX certificate
- Energy score
- 70 (target 70)
- Water score
- 40 (target 40)
- Thermal performance
- Pass
- Materials score
- -54
- Heating load
- 31 MJ/m² a year
- Cooling load
- 10 MJ/m² a year
- Bedrooms
- 4
- Conditioned floor area
- 137 m²
- Unconditioned floor area
- 10.6 m²
- Site area
- 556 m²
- Roof area
- 227 m²
- Garden area
- 250 m²
- Climate zone
- NatHERS climate zone 15
- Hot water
- Gas instantaneous with a performance of 6 stars
- Rainwater tank
- 1,600 litres
- Fixtures
- Showerheads 3 star, toilets 4 star, kitchen taps 4 star, basin taps 5 star
- LED lighting
- Yes
- Maximum glazing
- aluminium frames 18.2 m², timber frames 0.5 m², single glazing 0.5 m², double glazing 18.2 m²
Heating
- Living area: 1-phase airconditioning - ducted; Energy rating: EER 3.5 - 4.0
- Bedroom: 1-phase airconditioning - ducted; Energy rating: EER 3.5 - 4.0
Cooling
- Living area: 1-phase airconditioning - ducted; Energy rating: EER 3.5 - 4.0
- Bedroom: 1-phase airconditioning - ducted; Energy rating: EER 3.5 - 4.0
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: brick veneer; frame: light steel frame (fibreglass batts or roll)
- External wall: framed (solid or reconstituted timber weatherboard); frame: light steel frame (fibreglass batts or roll)
- External garage wall: brick veneer; frame: light steel frame (no added insulation)
- External garage wall: cavity brick; frame: no frame (no added insulation)
- Internal wall: plasterboard; frame: light steel frame (fibreglass batts or roll)
- Internal wall: plasterboard; frame: light steel frame (no added insulation)
- Ceiling and roof: flat ceiling / pitched roof, framed - metal roof, light steel frame (ceiling: fibreglass batts or roll; roof: foil backed blanket.)
Certificate 1830099S, issued 23 January 2026, from the council's DA documents.
NatHERS certificate
- Star rating
- 7.7 stars
- Rated with
- FirstRate5: 5.5.5a (3.22)
- Rated on
- 23 Jan 2026
- Wall insulation
- R2.2
- Ceiling insulation
- R6.0
- Floor insulation
- R2.2
- Living room glazing by direction
- NE 2 m², SE 3.8 m²
- All glazing by direction
- NE 3.2 m², SE 6.3 m², SW 6.6 m², NW 2.5 m²
Roof
- Cont:Attic-Continuous 0.0, light colour
Window types
- TIM-001-01 W Timber A SG Clear: U-value 5.4, SHGC 0.56
- BRD-154-36 A Essential Sliding Window 67 DG 4mmClr_10Ar_4mmClr: U-value 3.85, SHGC 0.61
- DOW-005-01 A Manor Awning Window DG 3/12/3: U-value 3.9, SHGC 0.58
- SSW-009-07 A 200 SERIES - ALUMINIUM SLIDING DOOR DG 3-12Ar-3: U-value 3.66, SHGC 0.65
Window schedule
- Master Suite, window BRD-154-36 A: 600 × 3,010 mm facing SE
- Study Nook, window DOW-005-01 A: 1,460 × 610 mm facing SW
- Bedroom 2, window BRD-154-36 A: 860 × 1,570 mm facing SW
- Bath, window DOW-005-01 A: 1,200 × 1,210 mm facing SW
- Bedroom 3, window BRD-154-36 A: 860 × 1,570 mm facing SW
- Theatre, window DOW-005-01 A: 860 × 1,810 mm facing SW
- Bedroom 4, window DOW-005-01 A: 1,460 × 850 mm facing NW
- Bedroom 4, window DOW-005-01 A: 1,460 × 850 mm facing NW
- Garage, window DOW-005-01 A: 600 × 1,210 mm facing NE
- Laundry, window TIM-001-01 W: 564 × 820 mm facing NE
- Ensuite, window DOW-005-01 A: 600 × 1,210 mm facing SE
- Kitchen/Living, window SSW-009-07 A: 2,100 × 1,810 mm facing SE
- Kitchen/Living, window DOW-005-01 A: 1,200 × 850 mm facing NE
- Kitchen/Living, window DOW-005-01 A: 1,200 × 850 mm facing NE
Certificate D99L0HDN4P, issued 23 January 2026, from the council's DA documents. Verify this certificate
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