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20 Gordon Street Milton NSW 2538

BASIX certificate and NatHERS rating

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This home has a NatHERS rating of 6.1 stars out of 10. Its BASIX certificate commits it to 2 kW of solar panels and a 5,000 litre rainwater tank. Its NatHERS certificate lists insulation in the external walls, ceiling and floor. It beat its BASIX energy and water targets, scoring 53 against 50 for energy and 43 against 40 for water.

Key features

Windows
31 windows and glazed doors: Aluminium A DG Air Fill Clear-Clear; Aluminium Sliding Door DG LB ClrPrvSI 6.38/8/4; Aluminium Awning Window DG LB ClrSI 6.38/8/4 and 5 more types
Wall insulation
R4, R2.5
Roof and ceiling insulation
Ceiling R4.5, R2.5, roof Corrugated Iron Timber Frame Bulk, Reflective Side Down, No Air Gap Above R1.3, dark colour
Hot water
Electric heat pump with a performance of 31 to 35 STCs or better
Air conditioning and heating
3-phase airconditioning (living area and bedroom)

Built by 91 Degrees.

BASIX certificate

Energy score
53 (target 50)
Water score
43 (target 40)
Thermal performance
Pass
Materials score
-1
Heating load
49 MJ/m² a year
Cooling load
30 MJ/m² a year
Bedrooms
4
Conditioned floor area
255.1 m²
Unconditioned floor area
24 m²
Site area
2,261 m²
Roof area
340 m²
Garden area
200 m²
Climate zone
NatHERS climate zone 18
Hot water
Electric heat pump with a performance of 31 to 35 STCs or better
Solar panels
2 kW
Rainwater tank
5,000 litres
Fixtures
Showerheads 4 star, toilets 4 star, kitchen taps 4 star, basin taps 4 star
LED lighting
Yes
Clothes line
Yes

Heating

  • Living area: 3-phase airconditioning; Energy rating: EER 3.5 - 4.0
  • Bedroom: 3-phase airconditioning; Energy rating: EER 3.5 - 4.0

Cooling

  • Living area: 3-phase airconditioning; Energy rating: EER 3.5 - 4.0
  • Bedroom: 3-phase airconditioning; Energy rating: EER 3.5 - 4.0

Certificate 1740833S_02, issued 25 March 2025, from the council's DA documents.

NatHERS certificate

Star rating
6.1 stars
Rated with
BERS Pro v5.2.4 (3.23)
Rated on
25 Mar 2025
Wall insulation
R4, R2.5
Ceiling insulation
R4.5, R2.5
Floor insulation
R4, R2.5, R2
Living room glazing by direction
N 40.1 m², E 6.1 m², S 11.2 m², W 1.4 m²
All glazing by direction
N 64.2 m², E 27.1 m², S 17 m², W 10.1 m²

Roof

  • Corrugated Iron Timber Frame Bulk, Reflective Side Down, No Air Gap Above R1.3, dark colour
  • Corrugated Iron Timber Frame Bulk, Reflective Side Down, No Air Gap Above R1.3, medium colour

Window types

  • ALM-003-01 A Aluminium A DG Air Fill Clear-Clear: U-value 4.8, SHGC 0.51
  • ALS-037-013 Aluminium Sliding Door DG LB ClrPrvSI 6.38/8/4: U-value 2.9, SHGC 0.36
  • ALS-025-012 Aluminium Awning Window DG LB ClrSI 6.38/8/4: U-value 3.4, SHGC 0.42
  • ALS-029-003 Aluminium Awning Window DG 4SolTNtl/10/4Clr: U-value 3.9, SHGC 0.35
  • ALS-028-012 Aluminium Fixed Window DG LB ClrSI 6.38/8/4: U-value 2.3, SHGC 0.5
  • ALS-045-007 Aluminium Hinged Door DG LB ClrSI 6.38/14/4: U-value 3.1, SHGC 0.38
  • ALS-018-001 Aluminium Awning Window SG 6Clr: U-value 6.9, SHGC 0.53
  • ALS-018-016 Aluminium Awning Window DG 6Clr/12/6Clr: U-value 4.7, SHGC 0.48

Window schedule

  • Master Bed, window ALS-037-013: 2,350 × 4,750 mm facing N
  • Master Bed, window ALS-025-012: 2,400 × 900 mm facing E
  • Master Bed, window ALM-003-01 A: 2,400 × 600 mm facing E
  • Master Bed, window ALS-025-012: 2,400 × 600 mm facing W
  • Master Bed, window ALS-025-012: 2,400 × 600 mm facing W
  • Master Bed, window ALS-025-012: 2,400 × 600 mm facing W
  • Master Bed, window ALS-025-012: 2,400 × 600 mm facing W
  • Master Bed Ensu, window ALS-025-012: 2,400 × 900 mm facing E
  • Bed 2, window ALS-025-012: 2,400 × 1,200 mm facing E
  • Bathroom, window ALS-025-012: 2,400 × 900 mm facing E
  • Bed 3, window ALS-025-012: 2,400 × 1,200 mm facing E
  • Hallway, window ALS-025-012: 2,050 × 3,550 mm facing E
  • Hallway, window ALS-025-012: 2,400 × 600 mm facing W
  • Hallway, window ALS-025-012: 2,400 × 600 mm facing W
  • Kithen Living S, window ALS-029-003: 2,550 × 2,400 mm facing N
  • Kithen Living S, window ALS-029-003: 2,550 × 1,200 mm facing E
  • Kithen Living S, window ALS-029-003: 2,550 × 1,200 mm facing E
  • Kithen Living S, window ALS-029-003: 2,550 × 1,200 mm facing S
  • Kithen Living S, window ALS-028-012: 2,550 × 450 mm facing S
  • Kithen Living S, window ALS-028-012: 2,550 × 450 mm facing S
  • Kithen Living S, window ALS-029-003: 2,550 × 1,200 mm facing S
  • Kithen Living S, window ALS-028-012: 700 × 4,000 mm facing S
  • Kithen Living S, window ALS-025-012: 600 × 2,400 mm facing W
  • Kithen Living S, window ALS-037-013: 2,550 × 3,600 mm facing N
  • Kithen Living S, window ALS-037-013: 2,550 × 4,800 mm facing N
  • Kithen Living S, window ALS-037-013: 2,550 × 2,450 mm facing N
  • Kithen Living S, window ALS-028-012: 700 × 9,000 mm facing N
  • Bed 4, window ALS-037-013: 2,400 × 3,600 mm facing N
  • Laundry, window ALS-045-007: 2,400 × 1,200 mm facing N
  • Laundry, window ALS-018-001: 2,400 × 600 mm facing N
  • Laundry, window ALS-018-016: 2,400 × 2,400 mm facing S

Certificate 0011806957, issued 25 March 2025, from the council's DA documents. Verify this certificate

Other certificates for this address

BASIX certificate, certificate 1740833S, issued 21 March 2024

BASIX certificate

Energy score
50 (target 50)
Water score
43 (target 40)
Thermal performance
Pass
Heating load
74 MJ/m² a year
Cooling load
34 MJ/m² a year
Bedrooms
4
Conditioned floor area
255.1 m²
Unconditioned floor area
24 m²
Site area
2,261 m²
Roof area
340 m²
Garden area
200 m²
Climate zone
NatHERS climate zone 18
Hot water
Electric heat pump with a performance of 31 to 35 STCs or better
Solar panels
2 kW
Rainwater tank
5,000 litres
Fixtures
Showerheads 4 star, toilets 4 star, kitchen taps 4 star, basin taps 4 star
LED lighting
Yes
Clothes line
Yes

Heating

  • Living area: 3-phase airconditioning; Energy rating: EER 3.5 - 4.0
  • Bedroom: 3-phase airconditioning; Energy rating: EER 3.5 - 4.0

Cooling

  • Living area: 3-phase airconditioning; Energy rating: EER 3.5 - 4.0
  • Bedroom: 3-phase airconditioning; Energy rating: EER 3.5 - 4.0

Certificate 1740833S, issued 21 March 2024, from the council's DA documents.

NatHERS certificate, certificate 0008775850-04, issued 21 March 2024

NatHERS certificate

Star rating
4.9 stars
Rated with
BERS Pro v4.4.1.5 (3.21)
Rated on
21 Mar 2024
Wall insulation
R4, R2.5
Ceiling insulation
R4.5, R2.5
Floor insulation
R2, R2.5
Living room glazing by direction
N 30.7 m², E 6.1 m², S 19.8 m², W 2.8 m²
All glazing by direction
N 53.4 m², E 25.6 m², S 19.8 m², W 28.5 m²

Roof

  • Corrugated Iron Bulk, Reflective Side Down, No Air Gap Above R1.3, medium colour

Window types

  • ALM-003-04 A Aluminium A DG Air Fill Low Solar Gain low-E - Clear: U-value 4.9, SHGC 0.33
  • ALM-002-03 A Aluminium B SG High Solar Gain Low-E: U-value 5.4, SHGC 0.58
  • ALS-037-13 A 92mm Carinya Classic Sliding Door DG LightBridge_ClrPrvSI_638-8-4: U-value 2.9, SHGC 0.36
  • ALS-029-03 A 92mm Carinya Classic Awning Window DG 4ST/10/4: U-value 3.9, SHGC 0.35
  • ALS-022-07 A Airflow Aluminium Louvre SG 6LE: U-value 4.5, SHGC 0.53
  • ALS-028-03 A 50mm Carinya Classic Fixed Window DG 4ST/10/4: U-value 2.6, SHGC 0.43
  • ALS-025-12 A 50mm Carinya Classic Awning Window DG LightBridge_ClrSI_638-8-4: U-value 3.4, SHGC 0.42
  • ALS-045-07 A Carinya Select 125 Hinged Door DG LightBridge_ClrSI_638-14-4: U-value 3.1, SHGC 0.38

Window schedule

  • Master Bed, window ALS-037-13 A: 2,350 × 4,750 mm facing N
  • Master Bed, window ALS-029-03 A: 2,400 × 900 mm facing E
  • Master Bed, window ALS-029-03 A: 2,400 × 600 mm facing W
  • Master Bed, window ALS-029-03 A: 2,400 × 600 mm facing W
  • Master Bed, window ALM-003-04 A: 2,400 × 600 mm facing W
  • Master Bed, window ALS-022-07 A: 1,200 × 1,800 mm facing W
  • Master Bed, window ALS-028-03 A: 1,200 × 4,750 mm facing W
  • Master Bed Ensu, window ALS-029-03 A: 2,400 × 900 mm facing E
  • Bed 2, window ALS-029-03 A: 2,400 × 1,200 mm facing E
  • Bathroom, window ALS-029-03 A: 2,400 × 900 mm facing E
  • Bed 3, window ALS-029-03 A: 2,400 × 1,200 mm facing E
  • Hallway, window ALS-029-03 A: 2,050 × 3,550 mm facing E
  • Hallway, window ALS-028-03 A: 2,400 × 2,400 mm facing W
  • Hallway, window ALS-022-07 A: 1,150 × 1,800 mm facing W
  • Hallway, window ALS-028-03 A: 1,200 × 3,550 mm facing W
  • Hallway, window ALS-028-03 A: 1,200 × 1,200 mm facing W
  • Kithen Living S, window ALS-029-03 A: 2,550 × 2,400 mm facing N
  • Kithen Living S, window ALS-029-03 A: 2,550 × 1,200 mm facing E
  • Kithen Living S, window ALS-029-03 A: 2,550 × 1,200 mm facing E
  • Kithen Living S, window ALS-029-03 A: 2,550 × 1,200 mm facing S
  • Kithen Living S, window ALS-022-07 A: 700 × 4,800 mm facing S
  • Kithen Living S, window ALS-028-03 A: 2,550 × 450 mm facing S
  • Kithen Living S, window ALS-028-03 A: 2,550 × 450 mm facing S
  • Kithen Living S, window ALS-029-03 A: 2,550 × 1,080 mm facing S
  • Kithen Living S, window ALS-028-03 A: 700 × 3,500 mm facing S
  • Kithen Living S, window ALS-025-12 A: 1,450 × 1,950 mm facing W
  • Kithen Living S, window ALS-037-13 A: 2,550 × 3,600 mm facing N
  • Kithen Living S, window ALS-037-13 A: 2,550 × 3,600 mm facing N
  • Kithen Living S, window ALS-037-13 A: 2,550 × 2,450 mm facing N
  • Kithen Living S, window ALM-002-03 A: 700 × 8,400 mm facing S
  • Bed 4, window ALS-037-13 A: 2,400 × 3,600 mm facing N
  • Laundry, window ALS-045-07 A: 2,400 × 1,200 mm facing N

Certificate 0008775850-04, issued 21 March 2024, from the council's DA documents. Verify this certificate

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