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27 Tree Frog Street South Nowra NSW 2541

BASIX certificate and NatHERS rating

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This home has a NatHERS rating of 7.1 stars out of 10. Its NatHERS certificate lists insulation in the external walls, ceiling and floor. It beat its BASIX energy and water targets, scoring 82 against 69 for energy and 43 against 40 for water.

Key features

Windows
15 windows and glazed doors: Aluminium Sliding Window DG 4/8/4; Al Double Hung Window SG 3Clr; Sliding Door DG 4/8/4
Wall insulation
R2.5
Roof and ceiling insulation
Ceiling R5.0, R2.5, roof Cont:Attic-Continuous 0.0, medium colour

Built by Allworthg Homes Master Built.

BASIX certificate (multi dwelling)

This BASIX certificate covers more than one dwelling on the lot, such as a house and a granny flat, so some of its numbers are for the whole development.

Energy score
82 (target 69)
Water score
43 (target 40)
Thermal performance
Pass
Materials score
-61
Site area
538.7 m²
Roof area
299.4 m²
Climate zone
NatHERS climate zone 18
Clothes line
Yes

Certificate 1839183M, issued 25 March 2026, from the council's DA documents.

NatHERS certificate

Star rating
7.1 stars
Rated with
FirstRate5: 5.5.5a (3.22)
Rated on
24 Mar 2026
Wall insulation
R2.5
Ceiling insulation
R5.0, R2.5
Floor insulation
R2.5
Living room glazing by direction
N 15.4 m², E 1.3 m², W 6.6 m²
All glazing by direction
N 15.4 m², E 5.5 m², S 5.2 m², W 13.2 m²

Roof

  • Cont:Attic-Continuous 0.0, medium colour

Window types

  • DOW-018-01 A Aluminium Sliding Window DG 4/8/4: U-value 4.2, SHGC 0.62
  • DOW-009-01 A Al Double Hung Window SG 3Clr: U-value 6.21, SHGC 0.74
  • DOW-007-04 A Sliding Door DG 4/8/4: U-value 4.09, SHGC 0.61

Window schedule

  • Bedroom 1, window DOW-018-01 A: 1,800 × 2,260 mm facing S
  • Bedroom 2, window DOW-018-01 A: 1,300 × 1,400 mm facing W
  • Bedroom 3, window DOW-018-01 A: 1,300 × 1,400 mm facing W
  • Bedroom 4, window DOW-018-01 A: 1,300 × 1,400 mm facing W
  • Bedroom 1 - GF, window DOW-018-01 A: 1,800 × 600 mm facing S
  • Bedroom 1 - GF, window DOW-018-01 A: 600 × 2,130 mm facing E
  • Bedroom 2 - GF, window DOW-018-01 A: 1,300 × 1,400 mm facing E
  • BATH-GF, window DOW-009-01 A: 1,800 × 600 mm facing E
  • Living - GF, window DOW-018-01 A: 600 × 2,210 mm facing E
  • Living - GF, window DOW-007-04 A: 2,100 × 2,660 mm facing N
  • ENS, window DOW-009-01 A: 1,800 × 600 mm facing W
  • Kitchen/Living, window DOW-018-01 A: 1,800 × 2,400 mm facing N
  • Kitchen/Living, window DOW-007-04 A: 2,100 × 2,530 mm facing W
  • Kitchen/Living, window DOW-007-04 A: 2,100 × 2,620 mm facing N
  • Kitchen/Living, window DOW-018-01 A: 600 × 2,200 mm facing W

Certificate ZVV4RQJRRR, issued 24 March 2026, from the council's DA documents. Verify this certificate

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