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Home report
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22 Galena Grove 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. It beat its BASIX energy and water targets, scoring 71 against 70 for energy and 42 against 40 for water.
Key features
- Windows
- 15 windows and glazed doors: Trend Synergy Residential Aluminium Sliding Window; Trend Synergy Residential Aluminium Awning Window; Trend Synergy Residential Aluminium Fixed Window and 3 more types
- Wall insulation
- All external walls fibreglass batts or roll
- Roof and ceiling insulation
- Roof Added insulation absorptance Roof Colour ATTIC-METAL-01: Pitched / Attic Metal Roof (Roofspace) & Flat PB Ceiling 1.30, medium colour
- Hot water
- Electric heat pump with a performance of 26 to 30 STCs or better
- Air conditioning and heating
- 1-phase airconditioning, ducted (living area and bedroom)
Built by Perry Homes.
BASIX certificate
- Energy score
- 71 (target 70)
- Water score
- 42 (target 40)
- Thermal performance
- Pass
- Materials score
- -64
- Heating load
- 32 MJ/m² a year
- Cooling load
- 18 MJ/m² a year
- Bedrooms
- 4
- Conditioned floor area
- 203.4 m²
- Unconditioned floor area
- 18.1 m²
- Site area
- 2,073 m²
- Roof area
- 200 m²
- Garden area
- 100 m²
- Climate zone
- NatHERS climate zone 15
- Hot water
- Electric heat pump with a performance of 26 to 30 STCs or better
- Fixtures
- Showerheads 3 star, toilets 3 star, kitchen taps 3 star, basin taps 3 star
- LED lighting
- Yes
- Clothes line
- Yes
- Maximum glazing
- aluminium frames 40 m², single glazing 40 m²
Heating
- Living area: 1-phase airconditioning - ducted; Energy rating: 3 star (average zone)
- Bedroom: 1-phase airconditioning - ducted; Energy rating: 3 star (average zone)
Cooling
- Living area: 1-phase airconditioning - ducted; Energy rating: 3 star (average zone)
- Bedroom: 1-phase airconditioning - ducted; Energy rating: 3 star (average zone)
Construction and insulation
- Floor: concrete slab on ground, waffle pod slab (no added insulation)
- Garage floor: concrete slab on ground, waffle pod slab (no added insulation)
- External wall: brick veneer; frame: timber - H2 treated softwood. all external walls fibreglass batts or roll
- 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 1828239S, issued 5 January 2026, from the council's DA documents.
NatHERS certificate
- Star rating
- 7 stars
- Rated with
- Hero 4.1
- Rated on
- 16 Jan 2026
- Living room glazing by direction
- SE 10.8 m², NW 2.8 m²
- All glazing by direction
- NE 5 m², SE 22.6 m², SW 14.5 m², NW 4.7 m²
Roof
- Added insulation absorptance Roof Colour ATTIC-METAL-01: Pitched / Attic Metal Roof (Roofspace) & Flat PB Ceiling 1.30, medium colour
Window types
- TND-001-012 Trend Synergy Residential Aluminium Sliding Window: U-value 4.3, SHGC 0.58
- TND-002-012 Trend Synergy Residential Aluminium Awning Window: U-value 4.2, SHGC 0.57
- TND-003-039 Trend Synergy Residential Aluminium Fixed Window: U-value 3.2, SHGC 0.7
- TND-017-009 Trend Residential Aluminium Sliding Door: U-value 3.8, SHGC 0.63
- TND-021-001 Aluminium Hinged Door - Single Glazed: U-value 6, SHGC 0.61
- TND-029-001 Trend Synergy Residential Aluminium Double Hung Window - Double Glazed: U-value 4.1, SHGC 0.58
Window schedule
- BATH, window TND-029-001: 1,500 × 1,500 mm facing SW
- BED 1, window TND-017-009: 2,400 × 2,139 mm facing SE
- BED 2, window TND-001-012: 2,100 × 1,800 mm facing SW
- BED 3, window TND-001-012: 2,100 × 1,800 mm facing SW
- BED 4, window TND-001-012: 2,100 × 1,800 mm facing SW
- ENS, window TND-001-012: 1,500 × 600 mm facing SE
- KITCHEN/LIVING, window TND-017-009: 2,400 × 4,500 mm facing SE
- KITCHEN/LIVING, window TND-003-039: 660 × 1,500 mm facing NW
- KITCHEN/LIVING, window TND-003-039: 660 × 2,700 mm facing NW
- LDRY, window TND-021-001: 2,400 × 820 mm facing NW
- MEDIA, window TND-002-012: 2,400 × 700 mm facing NE
- MEDIA, window TND-002-012: 2,400 × 700 mm facing NE
- MEDIA, window TND-017-009: 2,400 × 2,410 mm facing SE
- STUDY, window TND-002-012: 2,400 × 700 mm facing NE
- WC, window TND-029-001: 1,500 × 600 mm facing SW
Certificate HR-ICA71W-02, issued 16 January 2026, from the council's DA documents. Verify this certificate
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