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1 Tree Frog Street South Nowra NSW 2541
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 a 3,000 litre rainwater tank. Its NatHERS certificate lists insulation in the external walls, ceiling and floor. It beat its BASIX water target, scoring 44 against 40.
Key features
- Windows
- 17 windows and glazed doors: Timber A SG Clear; Aluminium Sliding Window SG 6ETClr; Aluminium Awning Window DG 4Clr/12Ar/4PbAS2 and 5 more types
- Wall insulation
- R2.5
- Roof and ceiling insulation
- Ceiling R2.5, R6, roof Corrugated Iron Timber Frame Bulk, Reflective Side Down, No Air Gap Above R1.3, medium colour
- Hot water
- Gas instantaneous with a performance of 6 stars
- Air conditioning and heating
- 1-phase airconditioning, ducted (living area and bedroom)
BASIX certificate
- Energy score
- 69 (target 69)
- Water score
- 44 (target 40)
- Materials score
- -23
- Heating load
- 46 MJ/m² a year
- Cooling load
- 15 MJ/m² a year
- Bedrooms
- 4
- Conditioned floor area
- 212.4 m²
- Unconditioned floor area
- 20.7 m²
- Site area
- 645 m²
- Roof area
- 215 m²
- Garden area
- 324 m²
- Climate zone
- NatHERS climate zone 18
- Hot water
- Gas instantaneous with a performance of 6 stars
- Rainwater tank
- 3,000 litres
- Fixtures
- Showerheads 5 star, toilets 4 star, kitchen taps 4 star, basin taps 4 star
- LED lighting
- Yes
- Cooktop
- Gas
- Clothes line
- Yes
- Maximum glazing
- aluminium frames 34.9 m², timber frames 0.8 m², single glazing 17.6 m², double glazing 18.2 m²
Heating
- Living area: 1-phase airconditioning - ducted; Energy rating: EER 3.0 - 3.5
- Bedroom: 1-phase airconditioning - ducted; Energy rating: EER 3.0 - 3.5
Cooling
- Living area: 1-phase airconditioning - ducted; Energy rating: EER 3.0 - 3.5
- Bedroom: 1-phase airconditioning - ducted; Energy rating: EER 3.0 - 3.5
Construction and insulation
- Floor: concrete slab on ground, waffle pod slab (no added insulation)
- Floor: above habitable rooms or mezzanine, particle board; frame: timber - H2 treated softwood (fibreglass batts or roll)
- Floor: suspended floor above garage, particle board; frame: timber - H2 treated softwood (fibreglass batts or roll)
- Garage floor: concrete slab on ground, waffle pod slab (no added insulation)
- External wall: brick veneer; frame: timber - H2 treated softwood (fibreglass batts or roll)
- External wall: framed (fibre cement sheet or boards); frame: timber - H2 treated softwood (fibreglass batts or roll)
- External garage wall: brick veneer; frame: timber - H2 treated softwood (no added insulation)
- Internal wall: plasterboard; frame: timber - H2 treated softwood (fibreglass batts or roll)
- Internal wall: plasterboard; frame: timber - H2 treated softwood (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 1833912S_02, issued 13 July 2026, from the council's DA documents.
NatHERS certificate
- Star rating
- 7 stars
- Rated with
- BERS Pro v5.2.6 (3.23)
- Rated on
- 19 Feb 2026
- Wall insulation
- R2.5
- Ceiling insulation
- R2.5, R6
- Floor insulation
- R2.5, R2
- LED downlights
- 32
- Living room glazing by direction
- N 3.2 m², E 3.3 m², S 9.9 m², W 5 m²
- All glazing by direction
- N 6.9 m², E 8.6 m², S 11.5 m², W 8.7 m²
Roof
- Corrugated Iron Timber Frame Bulk, Reflective Side Down, No Air Gap Above R1.3, medium colour
Window types
- TIM-001-01 W Timber A SG Clear: U-value 5.4, SHGC 0.56
- WID-102-002 Aluminium Sliding Window SG 6ETClr: U-value 4.5, SHGC 0.61
- WID-101-012 Aluminium Awning Window DG 4Clr/12Ar/4PbAS2: U-value 3.2, SHGC 0.45
- WID-102-001 Aluminium Sliding Window SG 4Clr: U-value 6.3, SHGC 0.76
- WID-102-028 Aluminium Sliding Window DG 4Clr/12Ar/4PbAS2: U-value 3.1, SHGC 0.47
- WID-105-030 Aluminium Stacking Door DG 6Clr-8Ar-6PbAS2: U-value 3, SHGC 0.49
- WID-101-019 Aluminium Awning Window SG 4ET: U-value 4.9, SHGC 0.55
- WID-106-005 Aluminium Fixed Window SG 6ETClr: U-value 3.9, SHGC 0.64
Window schedule
- RETREAT/THEATRE, window WID-102-002: 1,800 × 1,210 mm facing N
- LIVING, window WID-101-012: 1,800 × 1,810 mm facing E
- PDR, window WID-102-001: 1,200 × 610 mm facing S
- L'DRY, window TIM-001-01 W: 1,020 × 820 mm facing S
- Kitchen/Living, window WID-102-028: 1,029 × 1,810 mm facing S
- Kitchen/Living, window WID-105-030: 2,100 × 2,430 mm facing S
- Kitchen/Living, window WID-105-030: 2,100 × 2,390 mm facing W
- Kitchen/Living, window WID-102-002: 1,200 × 2,650 mm facing N
- MASTER SUITE, window WID-101-019: 1,200 × 1,810 mm facing E
- MASTER SUITE, window WID-106-005: 1,200 × 850 mm facing E
- ENS MASTER, window WID-102-001: 1,030 × 610 mm facing N
- BATH, window WID-102-001: 600 × 1,570 mm facing N
- Bedroom 2, window WID-102-002: 1,030 × 1,810 mm facing W
- Bedroom 3, window WID-102-002: 1,030 × 1,810 mm facing W
- Bedroom 4, window WID-101-019: 1,200 × 1,810 mm facing E
- LOUNGE, window WID-102-028: 1,800 × 610 mm facing S
- LOUNGE, window WID-102-028: 1,030 × 1,810 mm facing S
Certificate 0012789939, issued 19 February 2026, from the council's DA documents. Verify this certificate
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