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3 Bona Vista Avenue Maroubra NSW 2035

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BASIX certificate and NatHERS rating

This home has a NatHERS rating of 3.7 stars out of 10. Its BASIX certificate commits it to 11.25 kW of solar panels and a 10,000 litre rainwater tank. Its NatHERS certificate lists insulation in the ceiling and floor. It beat its BASIX energy target, scoring 51 against 50.

Key features

Windows
73 windows and glazed doors: Composite B DG Argon Fill Clear-Clear; Composite A DG Argon Fill Clear-Clear
Roof and ceiling insulation
Ceiling R1.8, R2.3, R5.4, roof SlabExt:Slab - Suspended Slab - External Insul : 200mm: 200mm Suspended Slab - External Insul 0.0, light colour
Hot water
Electric heat pump with a performance of 26 to 30 STCs or better
Air conditioning and heating
Ground source heat pump (closed loop) (living area and bedroom)

Built by Robert Plumb Build.

BASIX certificate

Energy score
51 (target 50)
Water score
40 (target 40)
Thermal performance
Pass
Materials score
-1
Heating load
41 MJ/m² a year
Cooling load
26 MJ/m² a year
Bedrooms
5
Conditioned floor area
503.4 m²
Unconditioned floor area
43.6 m²
Site area
1,240 m²
Roof area
440 m²
Garden area
365 m²
Climate zone
NatHERS climate zone 56
Hot water
Electric heat pump with a performance of 26 to 30 STCs or better
Solar panels
11.25 kW
Rainwater tank
10,000 litres
Fixtures
Showerheads 3 star, toilets 4 star, kitchen taps 6 star, basin taps 6 star
LED lighting
Yes
Cooktop
Induction
Clothes line
Yes

Heating

  • Living area: ground source heat pump (closed loop); Energy rating: EER 3.0 - 3.5
  • Bedroom: ground source heat pump (closed loop); Energy rating: EER 3.0 - 3.5 A certificate of specifications issued by

Cooling

  • Living area: ground source heat pump (closed loop); Energy rating: EER 3.0 - 3.5
  • Bedroom: ground source heat pump (closed loop); Energy rating: EER 3.0 - 3.5 A certificate of specifications issued by

Certificate 1424472S_07, issued 1 May 2026, from the council's DA documents.

NatHERS certificate

Star rating
3.7 stars
Rated with
FirstRate5: 5.5.5a (3.22)
Rated on
1 May 2026
Ceiling insulation
R1.8, R2.3, R5.4
Floor insulation
R2.3
Living room glazing by direction
NE 53 m², SE 31.7 m², SW 19 m², NW 20.3 m²
All glazing by direction
NE 121.1 m², SE 79 m², SW 113 m², NW 69.5 m²

Roof

  • SlabExt:Slab - Suspended Slab - External Insul : 200mm: 200mm Suspended Slab - External Insul 0.0, light colour
  • Ceil: Ceiling 0.0, medium colour
  • Cont:Attic-Continuous 1.8, dark colour

Window types

  • CMP-006-01 I Composite B DG Argon Fill Clear-Clear: U-value 3.9, SHGC 0.63
  • CMP-005-01 I Composite A DG Argon Fill Clear-Clear: U-value 3.9, SHGC 0.5

Window schedule

  • Media/Games, window CMP-006-01 I: 3,350 × 9,500 mm facing SW
  • Media/Games, window CMP-006-01 I: 2,530 × 3,181 mm facing SW
  • Media/Games, window CMP-006-01 I: 335 × 610 mm facing SW
  • Media/Games, window CMP-006-01 I: 2,530 × 5,475 mm facing SE
  • Media/Games, window CMP-006-01 I: 335 × 6,499 mm facing SE
  • Media/Games, window CMP-006-01 I: 400 × 250 mm facing NE
  • Media/Games, window CMP-006-01 I: 335 × 608 mm facing NE
  • Media/Games, window CMP-006-01 I: 2,825 × 1,200 mm facing NE
  • Laundry, window CMP-006-01 I: 2,345 × 3,600 mm facing NE
  • Laundry, window CMP-005-01 I: 2,435 × 900 mm facing NE
  • Laundry, window CMP-005-01 I: 900 × 900 mm facing NE
  • Bath, window CMP-005-01 I: 1,435 × 600 mm facing NE
  • Kitchen/Living/-Dining, window CMP-006-01 I: 2,355 × 1,241 mm facing SW
  • Kitchen/Living/-Dining, window CMP-006-01 I: 1,990 × 1,877 mm facing SW
  • Kitchen/Living/-Dining, window CMP-006-01 I: 1,830 × 4,889 mm facing SE
  • Kitchen/Living/-Dining, window CMP-006-01 I: 2,750 × 1,200 mm facing SE
  • Kitchen/Living/-Dining, window CMP-006-01 I: 2,100 × 750 mm facing NE
  • Kitchen/Living/-Dining, window CMP-006-01 I: 2,860 × 11,639 mm facing NE
  • Kitchen/Living/-Dining, window CMP-006-01 I: 2,470 × 3,479 mm facing NE
  • Kitchen/Living/-Dining, window CMP-005-01 I: 2,430 × 1,200 mm facing NE
  • Kitchen/Living/-Dining, window CMP-006-01 I: 2,470 × 1,200 mm facing NE
  • Ground Passage, window CMP-006-01 I: 3,350 × 6,592 mm facing SW
  • Ground Passage, window CMP-006-01 I: 3,350 × 2,673 mm facing SW
  • Night 1, window CMP-006-01 I: 2,860 × 3,165 mm facing NE
  • Bedroom 1, window CMP-006-01 I: 2,440 × 3,235 mm facing NE
  • Bedroom 1, window CMP-006-01 I: 435 × 3,460 mm facing NE
  • Bedroom 1, window CMP-006-01 I: 2,390 × 900 mm facing NW
  • Bedroom 1, window CMP-006-01 I: 435 × 6,000 mm facing NW
  • Bedroom 1, window CMP-006-01 I: 435 × 3,460 mm facing SW
  • Ensuite 1, window CMP-006-01 I: 1,970 × 400 mm facing SW
  • Ensuite 1, window CMP-006-01 I: 600 × 400 mm facing SW
  • Ensuite 2, window CMP-006-01 I: 1,970 × 400 mm facing SW
  • Ensuite 2, window CMP-006-01 I: 600 × 400 mm facing SW
  • Bedroom 2, window CMP-006-01 I: 2,380 × 900 mm facing SW
  • Bedroom 2, window CMP-006-01 I: 440 × 3,420 mm facing SW
  • Study / Bridge, window CMP-006-01 I: 415 × 3,000 mm facing SW
  • Study / Bridge, window CMP-006-01 I: 415 × 4,550 mm facing SE
  • Study / Bridge, window CMP-006-01 I: 2,165 × 4,065 mm facing SE
  • Study / Bridge, window CMP-005-01 I: 2,645 × 2,562 mm facing NE
  • Study / Bridge, window CMP-005-01 I: 1,755 × 600 mm facing NE
  • Study / Bridge, window CMP-006-01 I: 660 × 1,390 mm facing NE
  • Study / Bridge, window CMP-006-01 I: 2,860 × 5,500 mm facing NE
  • Bedroom Passage, window CMP-006-01 I: 2,860 × 1,674 mm facing NW
  • Bedroom Passage, window CMP-006-01 I: 2,800 × 1,630 mm facing SE
  • Bedroom Passage, window CMP-006-01 I: 415 × 738 mm facing SE
  • Bedroom Passage, window CMP-006-01 I: 2,810 × 1,210 mm facing SE
  • Ensuite 3, window CMP-006-01 I: 1,925 × 425 mm facing NW
  • Ensuite 3, window CMP-006-01 I: 550 × 425 mm facing NW
  • Bedroom 3, window CMP-006-01 I: 2,855 × 600 mm facing NE
  • Bedroom 3, window CMP-006-01 I: 2,860 × 3,700 mm facing NW
  • Ensuite 4, window CMP-006-01 I: 1,920 × 410 mm facing NW
  • Ensuite 4, window CMP-006-01 I: 550 × 410 mm facing NW
  • Bedroom 4, window CMP-006-01 I: 2,860 × 3,700 mm facing NW
  • Bedroom 4, window CMP-006-01 I: 2,860 × 600 mm facing SW
  • Master WC, window CMP-006-01 I: 2,800 × 490 mm facing SW
  • Master Ensuite, window CMP-006-01 I: 1,955 × 600 mm facing NE
  • Master Ensuite, window CMP-006-01 I: 420 × 3,500 mm facing NE
  • Master Ensuite, window CMP-006-01 I: 2,860 × 5,744 mm facing NW
  • Master Bedroom, window CMP-006-01 I: 2,385 × 4,370 mm facing SE
  • Master Bedroom, window CMP-006-01 I: 420 × 4,500 mm facing SE
  • Master Bedroom, window CMP-006-01 I: 1,955 × 600 mm facing NE
  • Master Bedroom, window CMP-006-01 I: 420 × 8,600 mm facing NE
  • Void, window CMP-006-01 I: 2,655 × 600 mm facing SW
  • Void, window CMP-006-01 I: 2,655 × 2,315 mm facing SW
  • Void, window CMP-006-01 I: 415 × 8,759 mm facing SW
  • New Rumpus, window CMP-006-01 I: 2,715 × 767 mm facing NE
  • New Rumpus, window CMP-006-01 I: 400 × 4,035 mm facing NE
  • New Rumpus, window CMP-006-01 I: 2,738 × 7,400 mm facing NW
  • New Rumpus, window CMP-006-01 I: 2,738 × 4,509 mm facing SW
  • New Rumpus, window CMP-006-01 I: 2,738 × 6,000 mm facing SE
  • New Rumpus, window CMP-005-01 I: 2,738 × 1,000 mm facing SE
  • New Rumpus, window CMP-006-01 I: 112 × 2,738 mm facing SE
  • Rumpus WC, window CMP-006-01 I: 400 × 179 mm facing NW

Certificate 7GEQ91DU93-06, issued 1 May 2026, from the council's DA documents.

Other certificates for this address

NatHERS certificate, certificate 7GEQ91DU93, issued 28 September 2023

NatHERS certificate

Star rating
5.2 stars
Rated with
FirstRate5: 5.3.2b (3.21)
Rated on
28 Sep 2023
Ceiling insulation
R2.7, R2.3, R4.0, R5.3
Floor insulation
R2.3
Living room glazing by direction
NE 52.8 m², SE 12.5 m², SW 25 m²
All glazing by direction
NE 101.2 m², SE 154.7 m², SW 47.8 m², NW 89.5 m²

Roof

  • SlabExt:Slab - Suspended Slab - External Insul : 250mm: 250mm Suspended Slab - External Insul 0.0, light colour
  • Cont:Attic-Continuous 1.3, light colour
  • Framed:Flat - Flat Framed (Metal Deck) 0.0, light colour

Window types

  • ALM-002-01 A Aluminium B SG Clear: U-value 6.7, SHGC 0.7
  • MBC-004-01 W Clara Starrett Fixed Window TG 3C67138Clr/12.7Ar/3/6.35Ar/3: U-value 1.16, SHGC 0.3

Window schedule

  • Kitchen/Living/-Dining, window MBC-004-01 W: 3,300 × 2,000 mm facing SE
  • Kitchen/Living/-Dining, window MBC-004-01 W: 3,300 × 1,800 mm facing SE
  • Kitchen/Living/-Dining, window MBC-004-01 W: 3,300 × 8,200 mm facing NE
  • Kitchen/Living/-Dining, window MBC-004-01 W: 600 × 6,600 mm facing NE
  • Kitchen/Living/-Dining, window MBC-004-01 W: 3,300 × 6,600 mm facing NE
  • Entry, window MBC-004-01 W: 2,400 × 1,600 mm facing NW
  • Bedroom 1, window MBC-004-01 W: 2,100 × 4,200 mm facing NW
  • Garage, window ALM-002-01 A: 2,900 × 11,400 mm facing SE
  • Garage, window ALM-002-01 A: 2,400 × 2,400 mm facing NW
  • Pool Room, window MBC-004-01 W: 2,900 × 4,600 mm facing SE
  • Pool Room, window MBC-004-01 W: 2,400 × 5,100 mm facing NW
  • Master Bedroom, window MBC-004-01 W: 2,700 × 3,897 mm facing SE
  • Master Bedroom, window MBC-004-01 W: 2,700 × 4,200 mm facing NE
  • Master Ensuite, window MBC-004-01 W: 2,700 × 1,865 mm facing SE
  • Master Ensuite, window MBC-004-01 W: 2,700 × 900 mm facing SE
  • Master WC, window MBC-004-01 W: 2,700 × 300 mm facing SW
  • WIR, window MBC-004-01 W: 2,700 × 2,700 mm facing SW
  • Bedroom Passage, window MBC-004-01 W: 2,800 × 675 mm facing SW
  • Bedroom Passage, window MBC-004-01 W: 2,800 × 900 mm facing SW
  • Bedroom Passage, window MBC-004-01 W: 2,800 × 900 mm facing NE
  • Bedroom Passage, window MBC-004-01 W: 2,800 × 250 mm facing NE
  • Bedroom Passage, window MBC-004-01 W: 2,800 × 900 mm facing NW
  • Bedroom Passage, window MBC-004-01 W: 2,800 × 2,800 mm facing NW
  • Bedroom Passage, window MBC-004-01 W: 2,800 × 2,800 mm facing NW
  • Bedroom Passage, window MBC-004-01 W: 2,800 × 2,800 mm facing NW
  • Bedroom Passage, window MBC-004-01 W: 2,800 × 2,800 mm facing NW
  • Bedroom Passage, window MBC-004-01 W: 2,800 × 2,800 mm facing NW
  • Bedroom Passage, window MBC-004-01 W: 2,800 × 2,800 mm facing NW
  • Bedroom Passage, window MBC-004-01 W: 2,800 × 800 mm facing NW
  • Bedroom 2, window MBC-004-01 W: 2,800 × 3,200 mm facing SE
  • Bed 2 Ensuite, window MBC-004-01 W: 2,800 × 1,100 mm facing SE
  • Bed 3 Ensuite, window MBC-004-01 W: 2,800 × 1,100 mm facing SE
  • Bedroom 3, window MBC-004-01 W: 2,800 × 3,200 mm facing SE
  • Bedroom 4, window MBC-004-01 W: 2,800 × 3,200 mm facing SE
  • Bed 4 Ensuite, window MBC-004-01 W: 2,800 × 1,100 mm facing SE
  • Bed 5 Ensuite, window MBC-004-01 W: 2,800 × 1,100 mm facing SE
  • Bedroom 5, window MBC-004-01 W: 2,800 × 3,200 mm facing SE
  • Bedroom 5, window MBC-004-01 W: 1,300 × 4,600 mm facing NE
  • Entry Void, window MBC-004-01 W: 2,800 × 1,645 mm facing NW
  • Entry Void, window MBC-004-01 W: 850 × 5,500 mm facing SW
  • Entry Void, window MBC-004-01 W: 2,700 × 1,650 mm facing SW
  • Bridge, window MBC-004-01 W: 2,700 × 885 mm facing NW
  • Bridge, window MBC-004-01 W: 2,200 × 8,790 mm facing NE
  • Bridge, window MBC-004-01 W: 970 × 1,045 mm facing NE
  • Living Void FF, window MBC-004-01 W: 2,700 × 1,150 mm facing SW
  • Living Void FF, window MBC-004-01 W: 2,700 × 2,700 mm facing SW
  • Living Void FF, window MBC-004-01 W: 2,700 × 2,700 mm facing SW
  • Living Void FF, window MBC-004-01 W: 2,700 × 2,700 mm facing SW
  • Bed Pass Void SF, window MBC-004-01 W: 1,200 × 1,000 mm facing SE
  • Bed Pass Void SF, window MBC-004-01 W: 825 × 1,375 mm facing SW
  • Study Attic, window MBC-004-01 W: 1,400 × 9,200 mm facing SE
  • Study Attic, window MBC-004-01 W: 2,200 × 7,050 mm facing SE
  • Study Attic, window MBC-004-01 W: 2,200 × 3,400 mm facing NE

Certificate 7GEQ91DU93, issued 28 September 2023, from the council's DA documents. Verify this certificate

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