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31 Alexandra Crescent Bayview NSW 2104
BASIX certificate and NatHERS rating
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This home has a NatHERS rating of 7.1 stars out of 10. Its BASIX certificate commits it to 5 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 and water targets, scoring 80 against 72 for energy and 41 against 40 for water.
Key features
- Windows
- 25 windows and glazed doors
- Wall insulation
- R2.7
- Roof and ceiling insulation
- Ceiling R2.3, R6, R2.5, roof Waterproofing Membrane No Added Insulation, No air Gap, medium colour
- Hot water
- Gas instantaneous with a performance of 5 stars
- Air conditioning and heating
- 3-phase airconditioning (living area and bedroom)
BASIX certificate
- Energy score
- 80 (target 72)
- Water score
- 41 (target 40)
- Thermal performance
- Pass
- Materials score
- -100
- Heating load
- 19 MJ/m² a year
- Cooling load
- 10 MJ/m² a year
- Bedrooms
- 5
- Conditioned floor area
- 377.3 m²
- Unconditioned floor area
- 100.5 m²
- Site area
- 1,341 m²
- Roof area
- 310 m²
- Garden area
- 434 m²
- Climate zone
- NatHERS climate zone 56
- Hot water
- Gas instantaneous with a performance of 5 stars
- Solar panels
- 5 kW
- Rainwater tank
- 3,000 litres
- Fixtures
- Showerheads 4 star, toilets 4 star, kitchen taps 5 star, basin taps 5 star
- LED lighting
- Yes
- Cooktop
- Induction
- Clothes line
- Yes
- Maximum glazing
- aluminium frames 137.5 m², double glazing 137.5 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 enclosed subfloor, concrete - suspended; frame: no frame (polystyrene)
- Floor: suspended floor above open subfloor, particle board; frame: timber - H2 treated softwood (fibreglass batts or roll)
- Floor: above habitable rooms or mezzanine, particle board; frame: timber - H2 treated softwood (no added insulation)
- Floor: suspended floor above garage, concrete - suspended; frame: no frame (polystyrene)
- Garage floor: concrete slab on ground (polystyrene)
- External wall: concrete panel/plasterboard; frame: timber - H2 treated softwood (fibreglass batts or roll)
- External wall: AAC veneer; frame: timber - H2 treated softwood (fibreglass batts or roll+ foil/sarking)
- External garage wall: concrete panel/plasterboard; frame: please select (not specified)
- Internal wall: plasterboard; frame: timber - H2 treated softwood (no added insulation)
- Ceiling and roof: flat ceiling / flat roof, framed - metal roof, timber - H2 treated softwood (ceiling: fibreglass batts or roll; roof: foil backed blanket.)
Certificate 1755899S, issued 16 July 2024, from the council's DA documents.
NatHERS certificate
- Star rating
- 7.1 stars
- Rated with
- BERS Pro v5.2.1 (3.23)
- Rated on
- 16 Jul 2024
- Wall insulation
- R2.7
- Ceiling insulation
- R2.3, R6, R2.5
- Floor insulation
- R2.7, R2.5, R2.3
- LED downlights
- 43
- Living room glazing by direction
- NE 37.9 m², SW 7.7 m²
- All glazing by direction
- NE 78.6 m², SE 7.5 m², SW 15.3 m², NW 7.5 m²
Roof
- Waterproofing Membrane No Added Insulation, No air Gap, medium colour
- Corrugated Iron Timber Frame Bulk, Reflective Side Down, No Air Gap Above R1.3, light colour
- Waterproofing Membrane No Added Insulation, No air Gap, light colour
Window schedule
- Kitchen/Living BRZ-006-009-001 W3: 2,700 × 1,200 mm facing NE
- Kitchen/Living BRZ-006-009-001 W4: 2,700 × 1,200 mm facing NE
- Kitchen/Living BRD-153-040-001 W5: 2,700 × 2,740 mm facing NE
- Kitchen/Living BRD-141-014-001 W6: 2,700 × 8,900 mm facing NE
- Master Bedroom BRD-153-040-001 W7: 2,535 × 785 mm facing NE
- Master Bedroom BRD-153-040-001 W8: 2,535 × 785 mm facing NE
- Master Bedroom BRD-161-110-001 W9: 2,700 × 2,400 mm facing NE
- Ensuite BRZ-006-009-001 W10: 2,700 × 1,565 mm facing NW
- Bathroom BRZ-006-009-001 W1: 1,200 × 2,250 mm facing SE
- Laundry BRZ-006-009-001 W2: 1,200 × 880 mm facing SE
- Void BRZ-006-009-001: 1,250 × 2,965 mm facing NE
- Void BRZ-006-009-001: 1,250 × 2,965 mm facing NE
- Void BRZ-006-009-001 W35: 1,250 × 2,965 mm facing NE
- Bedroom 2 BRD-153-040-001: 2,700 × 1,050 mm facing NE
- Bedroom 2 BRD-153-040-001: 2,700 × 1,050 mm facing NE
- Bedroom 2 BRD-161-110-001 W25: 2,140 × 1,800 mm facing NE
- Ensuite 2 BRZ-006-009-001 W17: 2,700 × 1,075 mm facing NE
- Ensuite 3 BRZ-006-009-001 W21: 2,700 × 1,200 mm facing NW
- Bedroom 4 BRD-161-110-001 W36: 2,140 × 1,550 mm facing NE
- Bedroom 4 BRD-161-110-001: 2,140 × 1,550 mm facing NE
- Main Bathroom BRZ-006-009-001 W30: 2,700 × 1,400 mm facing SE
- Living Room BRD-161-110-001 W28: 2,140 × 1,800 mm facing SW
- Living Room BRD-161-110-001 W29: 2,140 × 1,800 mm facing SW
- Hallway 1 BRZ-006-009-001 W26: 2,700 × 1,400 mm facing SW
- Hallway 2 BRZ-006-009-001 W27: 2,700 × 1,400 mm facing SW
Certificate 0009632274, issued 16 July 2024, from the council's DA documents. Verify this certificate
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