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3 Alexandra Crescent Bayview NSW 2104

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 1 kW of solar panels and a 2,500 litre rainwater tank. Its NatHERS certificate lists insulation in the external walls, ceiling and floor. It beat its BASIX energy target, scoring 77 against 72.

Key features

Windows
24 windows and glazed doors
Wall insulation
R2.7
Roof and ceiling insulation
Ceiling R2.5, roof Construction Added insulation shade as_ROOF-A021 #E016 © Horiz pitch Colourbond steel roof + Anticon R1.0 insul with R6.0 bulk insul + 13mm Plasterb'd ceiling under R7.0, light colour
Hot water
Electric heat pump
Air conditioning and heating
1-phase airconditioning, ducted (living area and bedroom)

BASIX certificate

Energy score
77 (target 72)
Water score
40 (target 40)
Thermal performance
Pass
Materials score
-66
Heating load
23 MJ/m² a year
Cooling load
7 MJ/m² a year
Bedrooms
4
Conditioned floor area
228.1 m²
Unconditioned floor area
12.7 m²
Site area
768 m²
Roof area
249 m²
Garden area
485 m²
Climate zone
NatHERS climate zone 56
Hot water
Electric heat pump
Solar panels
1 kW
Rainwater tank
2,500 litres
Fixtures
Showerheads 4 star, toilets 4 star, kitchen taps 3 star, basin taps 5 star
LED lighting
Yes
Maximum glazing
aluminium frames 80.6 m², single glazing 4.6 m², double glazing 76 m²

Heating

  • Living area: 1-phase airconditioning - ducted; Energy rating: 1 star (average zone)
  • Bedroom: 1-phase airconditioning - ducted; Energy rating: 1 star (average zone)

Cooling

  • Living area: 1-phase airconditioning - ducted; Energy rating: 1 star (average zone)
  • Bedroom: 1-phase airconditioning - ducted; Energy rating: 1 star (average zone)

Construction and insulation

  • Floor: suspended floor above open subfloor, fibre cement; frame: timber - H2 treated softwood (fibreglass batts or roll)
  • Garage floor: concrete - suspended; frame: no frame (not specified)
  • External wall: reverse brick veneer; frame: timber - H2 treated softwood (fibreglass batts or roll+ foil/sarking)
  • External wall: framed (fibre cement sheet or boards); frame: timber - H2 treated softwood (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: single skin masonry; frame: no frame (not specified)
  • Internal wall: plasterboard; frame: timber - H2 treated softwood (not specified)
  • Ceiling and roof: raked ceiling / pitched or skillion roof, framed - metal roof, timber - H2 treated softwood (ceiling: fibreglass batts or roll; roof: foil backed blanket.)

Certificate 1792677S_02, issued 1 December 2025, from the council's DA documents.

NatHERS certificate

Star rating
7 stars
Rated with
AccuRate Home v1.3.3.23 SP2
Rated on
01 Dec 2025
Wall insulation
R2.7
Ceiling insulation
R2.5
Floor insulation
R2.7, R2.0, R1.5, R3.0, R2.5
Living room glazing by direction
N 12.5 m², E 3.8 m², SE 5.5 m², S 10.1 m²
All glazing by direction
N 22.4 m², NE 1.9 m², E 6.5 m², SE 9.9 m², S 12.8 m², SW 6.8 m², NW 16.2 m²

Roof

  • Construction Added insulation shade as_ROOF-A021 #E016 © Horiz pitch Colourbond steel roof + Anticon R1.0 insul with R6.0 bulk insul + 13mm Plasterb'd ceiling under R7.0, light colour

Window schedule

  • WC ALM-004-03 A ASW1009: 1,000 × 900 mm facing SW
  • Pantry Laundry PAR-005-01 W ASW1009: 1,000 × 900 mm facing SW
  • Kitchen Living PAR-005-02 W ASD2452: 2,400 × 5,200 mm facing N
  • Kitchen Living PAR-005-01 W ASW1427: 1,400 × 2,700 mm facing E
  • Kitchen Living PAR-005-01 W ASD2442: 2,400 × 4,200 mm facing S
  • Kitchen Living PAR-005-01 W ASW1024: 1,030 × 2,410 mm facing SE
  • Kitchen Living PAR-005-01 W ASW1010: 1,030 × 1,010 mm facing SE
  • Kitchen Living PAR-005-01 W ASW1019: 1,030 × 1,910 mm facing SE
  • B1 PAR-005-01 W ASD2421: 2,400 × 2,100 mm facing NW
  • Bath ALM-004-03 A ASW0618: 600 × 1,810 mm facing NW
  • B2 PAR-005-01 W ASD2421: 2,400 × 2,100 mm facing NW
  • B3 PAR-005-01 W ASD2421: 2,400 × 2,100 mm facing NW
  • B4 PAR-005-01 W ASD2432: 2,400 × 3,200 mm facing N
  • B4 PAR-005-01 W ASW0732: 700 × 3,200 mm facing N
  • B4 PAR-005-01 W ASW1026: 1,030 × 2,650 mm facing E
  • WIR PAR-005-01 W ASW1014: 1,030 × 1,400 mm facing S
  • Ensuite PAR-005-01 W ASW0620: 600 × 2,050 mm facing S
  • TV Hall PAR-005-01 W ASW1014: 1,030 × 1,400 mm facing SE
  • TV Hall PAR-005-01 W ASW1024: 1,030 × 2,410 mm facing SE
  • TV Hall PAR-005-01 W ASW1005: 1,030 × 500 mm facing SE
  • TV Hall ALM-004-03 A ALW1408: 1,400 × 820 mm facing SW
  • TV Hall ALM-004-03 A ALW1408: 1,400 × 820 mm facing SW
  • Garage ALM-002-01 A ASW1026: 1,030 × 2,650 mm facing SW
  • Garage ALM-002-01 A ASW1018: 1,030 × 1,800 mm facing NE

Certificate 0011773421-03, issued 1 December 2025, from the council's DA documents. Verify this certificate

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