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Home report
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173 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 a 30,000 litre rainwater tank. Its NatHERS certificate lists insulation in the external walls, ceiling and floor. It beat its BASIX energy and water targets, scoring 73 against 69 for energy and 60 against 40 for water.
Key features
- Windows
- 34 windows and glazed doors: Westech Series 7100 uPVC Fixed Window DG DG 4-14-4; 5200 uPVC Patio Sliding Door DG DG 4-14-4; 2600 uPVC Casement Window DG DG 4-14-4 and 2 more types
- Wall insulation
- R2.5, R2.7
- Roof and ceiling insulation
- Ceiling R3.0, R6.0, R7.8, roof Ceil: Ceiling 0.0, light colour
- Hot water
- Electric boosted solar with a performance of 21 to 25 STCs or better
- Air conditioning and heating
- 3-phase airconditioning (living area and bedroom)
BASIX certificate
- Energy score
- 73 (target 69)
- Water score
- 60 (target 40)
- Thermal performance
- Pass
- Materials score
- -100
- Heating load
- 46 MJ/m² a year
- Cooling load
- 15 MJ/m² a year
- Bedrooms
- 3
- Conditioned floor area
- 250.2 m²
- Unconditioned floor area
- 142.3 m²
- Site area
- 1,018 m²
- Roof area
- 500 m²
- Garden area
- 100 m²
- Climate zone
- NatHERS climate zone 18
- Hot water
- Electric boosted solar with a performance of 21 to 25 STCs or better
- Rainwater tank
- 30,000 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
- uPVC frames 82.9 m², double glazing 82.9 m²
Heating
- Living area: 3-phase airconditioning; Energy rating: EER 3.0 - 3.5
- Bedroom: 3-phase airconditioning; Energy rating: EER 3.0 - 3.5
Cooling
- Living area: 3-phase airconditioning; Energy rating: EER 3.0 - 3.5
- Bedroom: 3-phase airconditioning; Energy rating: EER 3.0 - 3.5
Construction and insulation
- Floor: concrete slab on ground, waffle pod slab (not specified)
- Floor: suspended floor above open subfloor, concrete - suspended; frame: no frame (not specified)
- Floor: suspended floor above garage, concrete - suspended; frame: no frame (not specified)
- Garage floor: concrete slab on ground, waffle pod slab (not specified)
- External wall: framed (metal clad); frame: timber - untreated softwood (not specified+ foil/sarking)
- External wall: brick veneer; frame: timber - untreated softwood (not specified+ foil/sarking)
- External wall: framed (fibre cement sheet or boards); frame: timber - untreated softwood (not specified+ foil/sarking)
- External garage wall: concrete block/plasterboard; frame: no frame (not specified)
- External garage wall: brick veneer; frame: please select (not specified)
- Internal wall: plasterboard; frame: timber - untreated softwood (not specified)
- Ceiling and roof: raked ceiling / pitched or skillion roof, framed - metal roof, timber - untreated softwood (ceiling: not specified; roof: not specified.)
Certificate 1835442S, issued 2 March 2026, from the council's DA documents.
NatHERS certificate
- Star rating
- 7 stars
- Rated with
- FirstRate5: 5.5.5a (3.22)
- Rated on
- 2 Mar 2026
- Wall insulation
- R2.5, R2.7
- Ceiling insulation
- R3.0, R6.0, R7.8
- Floor insulation
- R2.5, R2.7, R3.0
- Living room glazing by direction
- NE 8.8 m², SW 10 m², NW 2.9 m²
- All glazing by direction
- NE 9.6 m², SE 19.2 m², SW 23.8 m², NW 30.4 m²
Roof
- Ceil: Ceiling 0.0, light colour
- Cont:Attic-Continuous 1.8, light colour
- Framed:Flat - Flat Framed (Metal Deck) 0.0, light colour
Window types
- CTD-004-01 W Westech Series 7100 uPVC Fixed Window DG DG 4-14-4: U-value 2.51, SHGC 0.64
- CTD-010-01 W 5200 uPVC Patio Sliding Door DG DG 4-14-4: U-value 2.61, SHGC 0.62
- CTD-007-01 W 2600 uPVC Casement Window DG DG 4-14-4: U-value 2.25, SHGC 0.5
- CTD-004-15 W Westech Series 7100 uPVC Fixed Window DG DG 4EA-14Ar-4 (Pilk NAm & Pilk Shanghai): U-value 1.67, SHGC 0.58
- CTD-008-15 W Westech Series 7400 uPVC Sliding Window DG DG 4EA-14Ar-4 (Pilk NAm & Pilk Shanghai): U-value 1.82, SHGC 0.55
Window schedule
- BOAT SHED, window CTD-004-01 W: 600 × 2,410 mm facing SE
- BOAT SHED, window CTD-004-01 W: 600 × 2,410 mm facing NW
- SHR, window CTD-004-01 W: 600 × 1,000 mm facing SE
- Garage, window CTD-004-01 W: 600 × 850 mm facing NW
- Garage, window CTD-004-01 W: 600 × 2,410 mm facing SE
- Garage, window CTD-004-01 W: 600 × 2,410 mm facing SE
- Garage, window CTD-004-01 W: 600 × 2,410 mm facing SE
- STUDY, window CTD-004-01 W: 1,800 × 2,410 mm facing NW
- Bedroom 3, window CTD-010-01 W: 2,400 × 2,410 mm facing NW
- Bedroom 2, window CTD-010-01 W: 2,400 × 2,410 mm facing NW
- BATH, window CTD-004-01 W: 2,000 × 850 mm facing NW
- PDR, window CTD-004-01 W: 2,000 × 850 mm facing NW
- L'DY, window CTD-007-01 W: 2,400 × 1,020 mm facing NW
- ENTRY, window CTD-004-01 W: 900 × 1,000 mm facing SE
- ENTRY, window CTD-007-01 W: 2,400 × 1,200 mm facing NW
- ENTRY, window CTD-004-01 W: 900 × 1,000 mm facing NW
- ENTRY, window CTD-004-01 W: 1,700 × 600 mm facing SW
- Kitchen/Living/-Dining, window CTD-004-15 W: 600 × 1,810 mm facing NE
- Kitchen/Living/-Dining, window CTD-004-15 W: 600 × 1,810 mm facing NE
- Kitchen/Living/-Dining, window CTD-004-15 W: 600 × 2,410 mm facing NW
- Kitchen/Living/-Dining, window CTD-004-15 W: 600 × 2,410 mm facing NW
- Kitchen/Living/-Dining, window CTD-010-01 W: 2,450 × 4,060 mm facing SW
- Kitchen/Living/-Dining, window CTD-007-01 W: 2,400 × 1,550 mm facing NE
- Kitchen/Living/-Dining, window CTD-008-15 W: 1,400 × 2,050 mm facing NE
- ENS, window CTD-004-01 W: 600 × 2,410 mm facing SE
- ENS, window CTD-004-01 W: 600 × 1,450 mm facing SE
- ENS, window CTD-004-01 W: 600 × 1,810 mm facing SW
- DRESSING, window CTD-004-01 W: 600 × 1,450 mm facing NE
- Master Bedroom, window CTD-010-01 W: 2,450 × 4,810 mm facing SW
- Master Bedroom, window CTD-004-01 W: 600 × 2,410 mm facing SE
- GALLERY, window CTD-004-01 W: 1,400 × 1,400 mm facing SE
- GALLERY, window CTD-004-15 W: 1,700 × 1,200 mm facing SE
- GALLERY, window CTD-004-15 W: 1,700 × 1,200 mm facing SE
- GALLERY, window CTD-004-15 W: 1,700 × 1,200 mm facing SE
Certificate GMMJQ45TFN, issued 2 March 2026, from the council's DA documents. Verify this certificate
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