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Home report
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123 Naval Parade Erowal Bay NSW 2540
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 3.5 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 target, scoring 91 against 69.
Key features
- Windows
- 29 windows and glazed doors: ESS Awning 52 DG LightBridge_ClrS0_4-12-4; ESS Awning 52 DG 4mmClr_6Ar_4mmClr; ESS Hinged Door (100mm) DG 4-6-4 and 7 more types
- Wall insulation
- R2.5
- Roof and ceiling insulation
- Ceiling R4.0, R6.0, R2.5, roof Cont:Attic-Continuous 1.3, medium colour
- Hot water
- Gas instantaneous with a performance of 7 stars
- Air conditioning and heating
- 1-phase airconditioning, ducted (living area and bedroom)
Built by New Vision Builders.
BASIX certificate
- Energy score
- 91 (target 69)
- Water score
- 40 (target 40)
- Thermal performance
- Pass
- Materials score
- -9
- Heating load
- 44 MJ/m² a year
- Cooling load
- 17 MJ/m² a year
- Bedrooms
- 5
- Conditioned floor area
- 228.2 m²
- Unconditioned floor area
- 17.6 m²
- Site area
- 946 m²
- Roof area
- 229 m²
- Garden area
- 555 m²
- Climate zone
- NatHERS climate zone 18
- Hot water
- Gas instantaneous with a performance of 7 stars
- Solar panels
- 3.5 kW
- Rainwater tank
- 5,000 litres
- Fixtures
- Showerheads 4 star, toilets 4 star, kitchen taps 4 star, basin taps 4 star
- LED lighting
- Yes
- Cooktop
- Induction
- Clothes line
- Yes
- Maximum glazing
- aluminium frames 69.5 m², single glazing 4.6 m², double glazing 64.9 m²
Heating
- Living area: 1-phase airconditioning - ducted; Energy rating: 5 Star (old label)
- Bedroom: 1-phase airconditioning - ducted; Energy rating: 5 Star (old label)
Cooling
- Living area: 1-phase airconditioning - ducted; Energy rating: 5 Star (old label)
- Bedroom: 1-phase airconditioning - ducted; Energy rating: 5 Star (old label)
Construction and insulation
- Floor: concrete slab on ground, waffle pod slab (no added insulation)
- Floor: suspended floor above open subfloor, particle board; frame: timber - H2 treated softwood (fibreglass batts or roll)
- 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: framed (solid or reconstituted timber weatherboard); frame: timber - H2 treated softwood. all external walls fibreglass batts or roll
- Internal wall: plasterboard; frame: timber - H2 treated softwood (no added insulation)
- Internal wall: plasterboard; frame: timber - H2 treated softwood (fibreglass batts or roll)
- Ceiling and roof: flat ceiling / pitched roof, framed - metal roof, timber - H2 treated softwood (ceiling: fibreglass batts or roll; roof: foil backed blanket.)
Certificate 1829240S, issued 16 January 2026, from the council's DA documents.
NatHERS certificate
- Star rating
- 7 stars
- Rated with
- FirstRate5: 5.5.5a (3.22)
- Rated on
- 16 Jan 2026
- Wall insulation
- R2.5
- Ceiling insulation
- R4.0, R6.0, R2.5
- Floor insulation
- R2.5, R4.0
- Living room glazing by direction
- E 2.7 m², S 13.9 m², W 2 m²
- All glazing by direction
- N 18.5 m², E 11.4 m², S 26.6 m², W 13.1 m²
Roof
- Cont:Attic-Continuous 1.3, medium colour
Window types
- BRD-113_61 A ESS Awning 52 DG LightBridge_ClrS0_4-12-4: U-value 3.42, SHGC 0.42
- BRD-113_57 A ESS Awning 52 DG 4mmClr_6Ar_4mmClr: U-value 4.35, SHGC 0.56
- BRD-032-08 A ESS Hinged Door (100mm) DG 4-6-4: U-value 4.35, SHGC 0.55
- BRD-153-40 A Essential SW67 Fixed Lite DG LB ClrS0 4-10-4: U-value 2.66, SHGC 0.53
- ALS-052-67 A 92mm Carinya Select Hinged Door DG 6LightGy-12-6ClimaTech: U-value 3.19, SHGC 0.31
- BRD-141-21 A Signature Sliding Stacking Door DG LightBridge_ClrS0_4-10-4: U-value 2.84, SHGC 0.51
- BRD-043-06 A SIG Louvre Window (125mm) SG 6EA: U-value 4.53, SHGC 0.52
- CAP-131-07 A Capral Urban Plus 591 Double Hung Window DG 4LBrdg-10Ar-4: U-value 3.52, SHGC 0.44
- BRD-043-01 A SIG Louvre Window (125mm) SG 6Clr: U-value 6.07, SHGC 0.6
- BRD-080-10 A Signature Double Hung Window 100 DG 4Clr-6-4Clr: U-value 4.6, SHGC 0.6
Window schedule
- Study/Guest Bedroom, window BRD-113_61 A: 2,100 × 850 mm facing N
- Study/Guest Bedroom, window BRD-113_61 A: 2,100 × 850 mm facing N
- Home Theatre, window BRD-113_61 A: 1,200 × 2,650 mm facing W
- Powder, window BRD-113_57 A: 1,000 × 610 mm facing W
- Laundry, window BRD-032-08 A: 2,040 × 920 mm facing W
- Butler's Pantry, window BRD-153-40 A: 600 × 1,810 mm facing E
- Entry/Staircase, window ALS-052-67 A: 2,040 × 1,200 mm facing N
- Kitchen/Family/-Dining, window BRD-113_61 A: 1,200 × 850 mm facing W
- Kitchen/Family/-Dining, window BRD-113_61 A: 1,200 × 850 mm facing W
- Kitchen/Family/-Dining, window BRD-141-21 A: 2,100 × 3,300 mm facing S
- Kitchen/Family/-Dining, window BRD-141-21 A: 2,100 × 3,300 mm facing S
- Kitchen/Family/-Dining, window BRD-153-40 A: 1,800 × 1,500 mm facing E
- Single Garage, window BRD-153-40 A: 600 × 1,500 mm facing E
- Single Garage, window BRD-153-40 A: 600 × 1,500 mm facing E
- Bedroom 1, window BRD-113_61 A: 1,200 × 850 mm facing W
- Bedroom 1, window BRD-113_61 A: 1,200 × 850 mm facing W
- Bedroom 1, window BRD-141-21 A: 2,100 × 3,300 mm facing S
- Bedroom 1, window BRD-043-06 A: 600 × 2,650 mm facing E
- Bedroom 2, window ALS-052-67 A: 2,040 × 1,640 mm facing N
- Bedroom 2, window BRD-153-40 A: 2,040 × 600 mm facing N
- Bedroom 2, window BRD-153-40 A: 2,040 × 600 mm facing N
- Bedroom 3, window BRD-113_61 A: 1,200 × 1,500 mm facing W
- WIR, window CAP-131-07 A: 1,600 × 1,800 mm facing S
- Bath, window BRD-043-01 A: 1,000 × 1,500 mm facing W
- Ensuite, window BRD-080-10 A: 1,600 × 1,800 mm facing S
- Ensuite, window BRD-043-01 A: 1,000 × 1,500 mm facing E
- Leisure Room, window ALS-052-67 A: 2,040 × 1,640 mm facing N
- Leisure Room, window ALS-052-67 A: 2,040 × 1,640 mm facing N
- Passage/Staircase, window BRD-153-40 A: 1,800 × 1,500 mm facing E
Certificate 5GECFIDOTF, issued 16 January 2026, from the council's DA documents. Verify this certificate
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