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Home report
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22 Waterside Way Lake Cathie NSW 2445
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BASIX certificate and NatHERS rating
This home has a NatHERS rating of 7 stars out of 10. Its BASIX certificate commits it to 1.5 kW of solar panels. Its NatHERS certificate lists insulation in the external walls, ceiling and floor. It beat its BASIX energy and water targets, scoring 76 against 70 for energy and 42 against 40 for water.
Key features
- Windows
- 35 windows and glazed doors: Aluminium Sliding Window SG 5Clr; Aluminium Louvre Window SG 6Clr; Aluminium Sliding Door SG 5Clr and 7 more types
- Wall insulation
- R2.7
- Roof and ceiling insulation
- Ceiling R6, R3, roof Corrugated Iron Timber Frame Bulk, Reflective Side Down, No Air Gap Above R1.3, light colour
- Hot water
- Electric storage
- Air conditioning and heating
- 1-phase airconditioning, ducted (living area and bedroom)
BASIX certificate
- Energy score
- 76 (target 70)
- Water score
- 42 (target 40)
- Thermal performance
- Pass
- Materials score
- -57
- Heating load
- 28 MJ/m² a year
- Cooling load
- 23 MJ/m² a year
- Bedrooms
- 5
- Conditioned floor area
- 239.7 m²
- Unconditioned floor area
- 33 m²
- Site area
- 653 m²
- Roof area
- 332 m²
- Garden area
- 195 m²
- Climate zone
- NatHERS climate zone 15
- Hot water
- Electric storage
- Solar panels
- 1.5 kW
- Fixtures
- Showerheads 4 star, toilets 5 star, kitchen taps 5 star, basin taps 5 star
- LED lighting
- Yes
- Clothes line
- Yes
- Maximum glazing
- aluminium frames 98.8 m², single glazing 15.3 m², double glazing 83.5 m²
Heating
- Living area: 1-phase airconditioning - ducted; Energy rating: 5 star (average zone)
- Bedroom: 1-phase airconditioning - ducted; Energy rating: 5 star (average zone)
Cooling
- Living area: 1-phase airconditioning - ducted; Energy rating: 5 star (average zone)
- Bedroom: 1-phase airconditioning - ducted; Energy rating: 5 star (average zone)
Construction and insulation
- Floor: concrete slab on ground, conventional slab (no added insulation)
- Floor: suspended floor above open subfloor, fibre cement; frame: timber - H2 treated softwood (fibreglass batts or roll)
- Garage floor: concrete slab on ground (no added insulation)
- External wall: framed (solid or reconstituted timber weatherboard); frame: timber - untreated softwood (fibreglass batts or roll+ foil/sarking)
- External wall: external insulated façade system (EIFS); frame: timber - untreated softwood (fibreglass batts or roll+ foil/sarking)
- External wall: framed (fibre cement sheet or boards); frame: timber - untreated softwood (fibreglass batts or roll+ foil/sarking)
- External garage wall: concrete block/plasterboard; frame: no frame (no added insulation)
- Internal wall: plasterboard; frame: timber - untreated softwood (no added insulation)
- Ceiling and roof: flat ceiling / flat roof, framed - metal roof, timber - untreated softwood (ceiling: fibreglass batts or roll; roof: foil backed blanket.)
Certificate 1812298S, issued 10 September 2025, from the council's DA documents.
NatHERS certificate
- Star rating
- 7 stars
- Rated with
- BERS Pro v5.2.6 (3.23)
- Rated on
- 09 Sep 2025
- Wall insulation
- R2.7
- Ceiling insulation
- R6, R3
- Floor insulation
- R2.7, R2.5
- LED downlights
- 65
- Living room glazing by direction
- N 14.2 m², E 14.4 m²
- All glazing by direction
- N 40.6 m², E 28.8 m², S 26.4 m², W 1.4 m²
Roof
- Corrugated Iron Timber Frame Bulk, Reflective Side Down, No Air Gap Above R1.3, light colour
- Corrugated Iron Timber Frame No Insulation, Only an Air Gap, light colour
- Corrugated Iron Timber Frame No Insulation, Only an Air Gap, medium colour
- Waterproofing Membrane No Added Insulation, No air Gap, light colour
Window types
- AWS-001-002 Aluminium Sliding Window SG 5Clr: U-value 6.4, SHGC 0.72
- AWS-058-001 Aluminium Louvre Window SG 6Clr: U-value 6.1, SHGC 0.55
- AWS-011-001 Aluminium Sliding Door SG 5Clr: U-value 6.2, SHGC 0.72
- AWS-003-302 Aluminium Sliding Window DG LB Clr 4/12/4: U-value 3.2, SHGC 0.47
- AWS-110-073 Aluminium Sliding Door DG LB Clr 5/12/5: U-value 2.4, SHGC 0.53
- BRZ-010-004 Aluminium Louvre Window DG 6ET/101/6Clr(Cl_6): U-value 3.4, SHGC 0.4
- AWS-090-027 Aluminium Fixed Window DG LB Clr 5/10/5: U-value 2, SHGC 0.5
- AWS-069-009 Aluminium Fixed Window DG LB Clr 4/12/4: U-value 2.5, SHGC 0.54
- AWS-068-007 Aluminium Fixed Window SG 5Clr: U-value 6.3, SHGC 0.76
- AWS-021-015 Aluminium French Door DG LB ClrSI 6.38/10/4: U-value 3.4, SHGC 0.39
Window schedule
- Garage, window AWS-001-002: 1,000 × 1,810 mm facing S
- Garage, window AWS-001-002: 1,000 × 1,810 mm facing S
- Garage Stair, window AWS-058-001: 900 × 700 mm facing S
- Laundry, window AWS-011-001: 2,100 × 1,800 mm facing S
- WC, window AWS-058-001: 1,100 × 700 mm facing S
- Pantry, window AWS-003-302: 1,100 × 1,800 mm facing S
- Kitchen/Lounge, window AWS-110-073: 2,400 × 2,400 mm facing N
- Kitchen/Lounge, window AWS-110-073: 2,400 × 3,500 mm facing N
- Kitchen/Lounge, window AWS-110-073: 2,400 × 3,600 mm facing E
- Kitchen/Lounge, window AWS-110-073: 2,400 × 2,400 mm facing E
- Master Suite, window AWS-003-302: 600 × 2,400 mm facing W
- Master Suite, window AWS-110-073: 2,400 × 2,400 mm facing N
- WIR, window BRZ-010-004: 1,100 × 700 mm facing S
- Ensuite, window BRZ-010-004: 1,100 × 700 mm facing S
- Ensuite, window AWS-110-073: 2,100 × 1,840 mm facing S
- Stair/Hall, window AWS-090-027: 1,500 × 1,250 mm facing N
- Bedroom 2, window AWS-110-073: 2,100 × 2,100 mm facing N
- Bedroom 3, window AWS-110-073: 2,100 × 2,400 mm facing N
- Bedroom 4, window AWS-069-009: 1,100 × 1,200 mm facing S
- Bedroom 4, window BRZ-010-004: 1,100 × 600 mm facing S
- Bedroom 4, window BRZ-010-004: 1,100 × 600 mm facing S
- WC, window AWS-058-001: 1,100 × 600 mm facing S
- Vanity, window AWS-068-007: 1,100 × 900 mm facing S
- Vanity, window AWS-058-001: 1,100 × 600 mm facing S
- Bathroom, window AWS-068-007: 1,100 × 900 mm facing S
- Bathroom, window AWS-058-001: 1,100 × 600 mm facing S
- Bedroom 5, window AWS-110-073: 2,100 × 2,400 mm facing E
- Bedroom 5, window BRZ-010-004: 1,100 × 600 mm facing S
- Bedroom 5, window BRZ-010-004: 1,100 × 600 mm facing S
- Activity, window AWS-110-073: 2,100 × 3,300 mm facing N
- Activity, window AWS-110-073: 2,100 × 3,600 mm facing E
- Stair Void, window AWS-090-027: 1,900 × 1,250 mm facing N
- Stair Void, window AWS-021-015: 2,100 × 870 mm facing E
- Stair Void, window BRZ-010-004: 1,200 × 1,200 mm facing S
- WC roof, window AWS-058-001: 1,200 × 750 mm facing S
Certificate 0012181442-01, issued 9 September 2025, from the council's DA documents.
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