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39 Boyce Road Maroubra NSW 2035

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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 2 kW of solar panels and a 2,000 litre rainwater tank. It beat its BASIX energy and water targets, scoring 76 against 72 for energy and 44 against 40 for water.

Key features

Windows
30 windows and glazed doors: Aluminium A SG High Solar Gain Low-E; Aluminium B SG High Solar Gain Low-E; Aluminium B DG Air Fill High Solar Gain low-E -Clear and 1 more types
Wall insulation
All external walls polystyrene+ foil/sarking
Roof and ceiling insulation
Roof Added insulation absorptance Roof Colour ATTIC-METAL-01: Pitched / Attic Metal Roof (Roofspace) & Flat PB Ceiling 1.30, medium colour
Hot water
Gas instantaneous with a performance of 5 stars
Air conditioning and heating
1-phase airconditioning, ducted (living area and bedroom)

Built by Harvestland Construction.

BASIX certificate

Energy score
76 (target 72)
Water score
44 (target 40)
Thermal performance
Pass
Materials score
-100
Heating load
16 MJ/m² a year
Cooling load
13 MJ/m² a year
Bedrooms
4
Conditioned floor area
220.6 m²
Unconditioned floor area
21.5 m²
Site area
343 m²
Roof area
143 m²
Garden area
123 m²
Climate zone
NatHERS climate zone 56
Hot water
Gas instantaneous with a performance of 5 stars
Solar panels
2 kW
Rainwater tank
2,000 litres
Fixtures
Showerheads 4 star, toilets 5 star, kitchen taps 5 star, basin taps 5 star
LED lighting
Yes
Cooktop
Gas
Clothes line
Yes
Maximum glazing
aluminium frames 78.2 m², single glazing 53.5 m², double glazing 24.7 m²

Heating

  • Living area: 1-phase airconditioning - ducted; Energy rating: 4 star (average zone)
  • Bedroom: 1-phase airconditioning - ducted; Energy rating: 4 star (average zone)

Cooling

  • Living area: 1-phase airconditioning - ducted; Energy rating: 4 star (average zone)
  • Bedroom: 1-phase airconditioning - ducted; Energy rating: 4 star (average zone)

Construction and insulation

  • Floor: concrete slab on ground, conventional slab (no added insulation)
  • Floor: above habitable rooms or mezzanine, concrete - suspended; frame: timber - H2 treated softwood (no added insulation)
  • Floor: suspended floor above garage, concrete - suspended; frame: timber - H2 treated softwood (no added insulation)
  • Garage floor: concrete slab on ground (no added insulation)
  • External wall: cavity brick; frame: no frame. all external walls polystyrene+ foil/sarking
  • External garage wall: cavity brick; frame: no frame (polystyrene+ foil/sarking)
  • Internal wall: single skin masonry; frame: no frame (no added insulation)
  • Ceiling and roof: flat ceiling / pitched roof, framed - metal roof, timber - H2 treated softwood (ceiling: fibreglass batts or roll; roof: foil backed blanket.)

Certificate 1812157S_02, issued 7 November 2025, from the council's DA documents.

NatHERS certificate

Star rating
7.1 stars
Rated with
Hero 4.1
Rated on
07 Nov 2025
Living room glazing by direction
E 3.7 m², S 16.5 m², W 1.8 m²
All glazing by direction
N 19 m², E 23.2 m², S 22.6 m², W 13.4 m²

Roof

  • Added insulation absorptance Roof Colour ATTIC-METAL-01: Pitched / Attic Metal Roof (Roofspace) & Flat PB Ceiling 1.30, medium colour
  • FLAT-01: Flat Framed / Skillion Metal Roof & Flat PB Ceiling 1.30, medium colour

Window types

  • ALM-001-03 A Aluminium A SG High Solar Gain Low-E: U-value 5.4, SHGC 0.49
  • ALM-002-03 A Aluminium B SG High Solar Gain Low-E: U-value 5.4, SHGC 0.58
  • ALM-004-03 A Aluminium B DG Air Fill High Solar Gain low-E -Clear: U-value 4.3, SHGC 0.53
  • ALM-006-03 A Aluminium B DG Argon Fill High Solar Gain low-E -Clear: U-value 4.1, SHGC 0.52

Window schedule

  • Entry Study, window ALM-001-03 A: 2,400 × 2,200 mm facing N
  • Entry Study, window ALM-006-03 A: 2,300 × 1,800 mm facing E
  • FF Bath, window ALM-002-03 A: 800 × 1,600 mm facing E
  • FF Bed 1/WIR, window ALM-002-03 A: 2,400 × 3,000 mm facing N
  • FF Bed 1/WIR, window ALM-001-03 A: 1,400 × 700 mm facing W
  • FF Bed 1/WIR, window ALM-001-03 A: 1,400 × 700 mm facing W
  • FF Bed 2, window ALM-002-03 A: 2,400 × 2,000 mm facing N
  • FF Bed 2, window ALM-001-03 A: 2,100 × 800 mm facing N
  • FF Bed 2, window ALM-002-03 A: 600 × 1,800 mm facing E
  • FF Bed 3, window ALM-002-03 A: 600 × 1,800 mm facing E
  • FF Bed 3, window ALM-002-03 A: 1,400 × 2,200 mm facing S
  • FF Bed 4, window ALM-002-03 A: 600 × 2,400 mm facing W
  • FF Bed 4, window ALM-002-03 A: 1,400 × 2,200 mm facing S
  • FF Ensuite, window ALM-002-03 A: 1,000 × 1,500 mm facing W
  • FF Ensuite 2, window ALM-002-03 A: 600 × 1,194 mm facing E
  • FF Study Hall, window ALM-001-03 A: 1,400 × 700 mm facing E
  • FF Study Hall, window ALM-006-03 A: 1,300 × 1,800 mm facing E
  • Games, window ALM-002-03 A: 1,300 × 1,800 mm facing E
  • Games, window ALM-002-03 A: 800 × 2,600 mm facing E
  • Games, window ALM-002-03 A: 800 × 2,600 mm facing W
  • Garage, window ALM-002-03 A: 600 × 1,800 mm facing E
  • Kitchen Living, window ALM-006-03 A: 600 × 3,000 mm facing W
  • Kitchen Living, window ALM-001-03 A: 2,300 × 800 mm facing E
  • Kitchen Living, window ALM-001-03 A: 2,300 × 800 mm facing E
  • Kitchen Living, window ALM-004-03 A: 2,700 × 3,900 mm facing S
  • Kitchen Living, window ALM-006-03 A: 2,700 × 2,200 mm facing S
  • Laundry, window ALM-001-03 A: 2,400 × 800 mm facing W
  • Media, window ALM-002-03 A: 1,200 × 2,000 mm facing E
  • Pantry, window ALM-002-03 A: 1,400 × 1,400 mm facing W
  • Powder, window ALM-002-03 A: 600 × 1,200 mm facing W

Certificate HR-6YZZS8-02, issued 7 November 2025, from the council's DA documents. Verify this certificate

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