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Home report
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34 Mermaid Avenue Maroubra NSW 2035
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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 4 kW of solar panels and a 4,000 litre rainwater tank. It beat its BASIX energy target, scoring 74 against 72.
Key features
- Windows
- 37 windows and glazed doors
- Wall insulation
- All external walls foil-foam composite board
- Roof and ceiling insulation
- Roof Added insulation absorptance Roof Colour Roof type Added insulation absorptance Roof Colour SLAB-100-CEIL-01: Concrete Slab (100mm) with Suspended PB Ceiling 0.00, medium colour
- Hot water
- Electric heat pump
- Air conditioning and heating
- 1-phase airconditioning, ducted (living area and bedroom)
BASIX certificate
- Energy score
- 74 (target 72)
- Water score
- 40 (target 40)
- Thermal performance
- Pass
- Materials score
- -100
- Heating load
- 18 MJ/m² a year
- Cooling load
- 12 MJ/m² a year
- Bedrooms
- 4
- Conditioned floor area
- 527 m²
- Unconditioned floor area
- 16 m²
- Site area
- 795 m²
- Roof area
- 309 m²
- Garden area
- 259 m²
- Climate zone
- NatHERS climate zone 56
- Hot water
- Electric heat pump
- Solar panels
- 4 kW
- Rainwater tank
- 4,000 litres
- Fixtures
- Showerheads 4 star, toilets 4 star, kitchen taps 4 star, basin taps 4 star
- LED lighting
- Yes
- Cooktop
- Gas
- Maximum glazing
- aluminium frames 231 m², double glazing 231 m²
Heating
- Living area: 1-phase airconditioning - ducted; Energy rating: EER 2.5 - 3.0
- Bedroom: 1-phase airconditioning - ducted; Energy rating: EER 2.5 - 3.0
Cooling
- Living area: 1-phase airconditioning - ducted; Energy rating: EER 2.5 - 3.0
- Bedroom: 1-phase airconditioning - ducted; Energy rating: EER 2.5 - 3.0
Construction and insulation
- Floor: concrete slab on ground, conventional slab (foil-foam composite board)
- Floor: suspended floor above open subfloor, concrete - suspended; frame: light steel frame (fibreglass batts or roll)
- Floor: above habitable rooms or mezzanine, concrete - suspended; frame: no frame (no added insulation)
- Floor: suspended floor above garage, concrete - suspended; frame: light steel frame (fibreglass batts or roll)
- Garage floor: concrete slab on ground (foil-foam composite board)
- External wall: cavity brick; frame: no frame. all external walls foil-foam composite board
- External garage wall: concrete block/plasterboard; frame: light steel frame (fibreglass batts or roll)
- Internal wall: plasterboard; frame: light steel frame (no added insulation)
- Ceiling and roof: flat ceiling / flat roof, concrete - plasterboard internal, light steel frame (ceiling: fibreglass batts or roll; roof: none.)
Certificate 1830728S, issued 29 January 2026, from the council's DA documents.
NatHERS certificate
- Star rating
- 7 stars
- Rated with
- Hero 4.1
- Rated on
- 29 Jan 2026
- Living room glazing by direction
- NE 53.4 m², E 6.9 m², SW 23 m², NW 3.5 m², NNW 6.9 m²
- All glazing by direction
- N 2.1 m², NE 75.3 m², E 10.4 m², SE 32.1 m², SW 63.3 m², NW 37.4 m², NNW 10.4 m²
Roof
- Added insulation absorptance Roof Colour Roof type Added insulation absorptance Roof Colour SLAB-100-CEIL-01: Concrete Slab (100mm) with Suspended PB Ceiling 0.00, medium colour
Window schedule
- B2 WIR HPAWD-025-050 WF17: 2,150 × 900 mm facing NW
- B3 ENS HPAWD-025-050 WF18: 2,150 × 900 mm facing NW
- B3 ENS HPAWD-025-050 WF07: 2,150 × 900 mm facing SE
- B3 WIR HPAWD-025-050 WF08: 2,150 × 900 mm facing SE
- BED 2 HASDD-025-056 WF14: 3,000 × 3,800 mm facing SW
- BED 2 HPAWD-025-050 WF13: 2,150 × 850 mm facing SW
- BED 2 HPAWD-025-050 WF15: 2,150 × 900 mm facing NW
- BED 2 HPAWD-025-050 WF16: 2,150 × 900 mm facing NW
- BED 3 HPAWD-025-050 WF09: 2,150 × 900 mm facing SE
- BED 3 HPAWD-025-050 WF10: 2,150 × 900 mm facing SE
- BED 3 HASDD-025-056 WF11: 3,000 × 3,800 mm facing SW
- BED 3 HPAWD-025-050 WF12: 2,150 × 850 mm facing SW
- FF HALLWAY HAFWD-025-056 WF06: 2,800 × 2,950 mm facing SE
- FF HALLWAY HAFWD-025-056 WF01: 2,800 × 4,850 mm facing NW
- GF ENTRY FOYER HAFWD-025-056 WG01: 3,200 × 850 mm facing NW
- GF ENTRY FOYER HAFWD-025-056 WG02: 3,200 × 2,000 mm facing NW
- GF ENTRY FOYER HAFWD-025-056 WG07: 3,200 × 2,950 mm facing SE
- GUEST BED HPAWD-025-050 WG10: 2,300 × 900 mm facing SE
- GUEST BED HPAWD-025-050 WG09: 2,300 × 900 mm facing SE
- GUEST BED HASDD-025-056 WG11: 3,200 × 3,700 mm facing SW
- GUEST ENS HPAWD-025-050 WG08: 1,450 × 900 mm facing SE
- GYM / LOUNGE HAFWD-025-056 WLG01: 2,800 × 1,150 mm facing NNW
- GYM / LOUNGE HASDD-025-056 WLG02: 2,800 × 8,900 mm facing NE
- GYM / LOUNGE HAFWD-025-056 WLG03: 2,800 × 1,150 mm facing E
- KITCHEN/LIVING HAFWD-025-056 WG04: 3,200 × 1,150 mm facing NNW
- KITCHEN/LIVING HASDD-025-056 WG05: 3,200 × 8,900 mm facing NE
- KITCHEN/LIVING HAFWD-025-056 WG06: 3,200 × 1,150 mm facing E
- KITCHEN/LIVING HAFWD-025-056 WG03: 2,300 × 1,800 mm facing SW
- LAUNDRY HAFWD-025-056 WLG04: 1,000 × 1,200 mm facing SE
- LOUNGE HASDD-025-056 WG12: 3,200 × 5,900 mm facing SW
- LOUNGE HBDWD-025-050 WG13: 2,300 × 1,500 mm facing NW
- MASTER BED HAFWD-025-056 WF03: 3,000 × 1,150 mm facing NNW
- MASTER BED HASDD-025-056 WF04: 3,000 × 7,300 mm facing NE
- MASTER BED HAFWD-025-056 WF05: 3,000 × 1,150 mm facing E
- MB WIR HPAWD-025-050 WF02: 2,150 × 900 mm facing SW
- OFFICE HBDWD-025-050 WG14: 2,300 × 1,500 mm facing NW
- OFFICE HAFWD-025-056 WG15: 2,300 × 900 mm facing N
Certificate HR-MD6H9O-01, issued 29 January 2026, from the council's DA documents. Verify this certificate
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