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Home report
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7 Trentwood Park Avalon Beach NSW 2107
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 5 kW of solar panels and a 10,000 litre rainwater tank.
Key features
- Windows
- Up to aluminium frames 225 m², double glazing 225 m²
- Wall insulation
- Fibreglass batts or roll
- Roof and ceiling insulation
- Ceiling: fibreglass batts or roll; roof: foil backed blanket
- Hot water
- Electric heat pump with a performance of 15 to 20 STCs or better
- Air conditioning and heating
- 3-phase airconditioning (living area and bedroom)
BASIX certificate
- Energy score
- 72 (target 72)
- Water score
- 40 (target 40)
- Thermal performance
- Pass
- Materials score
- -100
- Heating load
- 14 MJ/m² a year
- Cooling load
- 15 MJ/m² a year
- Bedrooms
- 4
- Conditioned floor area
- 415.8 m²
- Unconditioned floor area
- 26.1 m²
- Site area
- 4,568 m²
- Roof area
- 364 m²
- Garden area
- 100 m²
- Climate zone
- NatHERS climate zone 56
- Hot water
- Electric heat pump with a performance of 15 to 20 STCs or better
- Solar panels
- 5 kW
- Rainwater tank
- 10,000 litres
- Fixtures
- Showerheads 3 star, toilets 3 star, kitchen taps 3 star, basin taps 3 star
- LED lighting
- Yes
- Maximum glazing
- aluminium frames 225 m², double glazing 225 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, conventional slab (no added insulation)
- Floor: above habitable rooms or mezzanine, concrete - suspended; frame: no frame (no added insulation)
- Floor: suspended floor above garage, concrete - suspended; frame: no frame (fibreglass batts or roll)
- Garage floor: concrete slab on ground (no added insulation)
- External wall: concrete block/plasterboard; frame: timber - H2 treated softwood (fibreglass batts or roll)
- External wall: mudbrick or rammed earth; frame: timber - H2 treated softwood (fibreglass batts or roll)
- External garage wall: concrete block/plasterboard; frame: timber - H2 treated softwood (fibreglass batts or roll)
- Internal wall: single skin masonry; frame: no frame (no added insulation)
- Internal wall: mud brick or rammed earth; frame: timber - H2 treated softwood (no added insulation)
- Ceiling and roof: flat ceiling / flat roof, framed - metal roof, timber - H2 treated softwood (ceiling: fibreglass batts or roll; roof: foil backed blanket.)
Certificate 1827251S, issued 17 December 2025, from the council's DA documents.
NatHERS certificate
- Star rating
- 7 stars
- Rated with
- BERS Pro v5.2.6 (3.23)
- Rated on
- 17 Dec 2025
Certificate 0012686810, issued 17 December 2025, from the council's DA documents. Verify this certificate
Other certificates for this address
NatHERS certificate, certificate 0012686804, issued 17 December 2025
NatHERS certificate
- Star rating
- 7 stars
- Rated with
- BERS Pro v5.2.6 (3.23)
- Rated on
- 17 Dec 2025
- Wall insulation
- R2.7, R1
- Ceiling insulation
- R5, R7
- Floor insulation
- R2.7, R1, R5
- Living room glazing by direction
- N 4.3 m², E 71.3 m², S 4.3 m²
- All glazing by direction
- N 27.3 m², NE 2.2 m², E 157.3 m², S 21.5 m², W 16.8 m²
Roof
- Waterproofing Membrane No Added Insulation, No air Gap, medium colour
- Corrugated Iron Timber Frame Bulk, Reflective Side Down, No Air Gap Above R1.5, medium colour
Window types
- VEL-011-01 W VELUX FS - Fixed Skylight DG 3mm LoE 366 / 8.5mm Argon Gap / 5.36mm Clear La: U-value 2.6, SHGC 0.24
Window schedule
- Multifunctional CAP-584-019-001 W2: 2,700 × 3,000 mm facing E
- Multifunctional CAP-584-019-001 W3: 2,700 × 3,000 mm facing E
- Multifunctional CAP-584-019-001 W1: 2,700 × 4,660 mm facing S
- Multifunctional CAP-584-019-001 W4: 2,700 × 1,500 mm facing N
- Bedroom 1 CAP-584-019-001 W12: 2,700 × 1,600 mm facing N
- Bedroom 1 EBS-003-004-001 W13: 2,700 × 700 mm facing E
- Bedroom 1 CAP-584-019-001 W14: 2,700 × 2,530 mm facing E
- Bedroom 2 CAP-584-019-001 W15: 2,700 × 2,030 mm facing E
- Bedroom 2 EBS-003-004-001 W16: 2,700 × 700 mm facing E
- Bedroom 3 EBS-003-004-001 W17: 2,700 × 700 mm facing E
- Bedroom 3 CAP-584-019-001 W18: 2,700 × 1,970 mm facing E
- Bedroom 3 EBS-003-004-001 W19: 2,700 × 600 mm facing S
- Bedroom 3 EBS-003-004-001 W20: 2,700 × 600 mm facing S
- Kitchen/Living VIT-002-002-001 W9: 3,600 × 13,370 mm facing E
- Kitchen/Living CAP-115-050-001 W10: 3,600 × 1,500 mm facing E
- Kitchen/Living EBS-003-004-001 W8: 3,600 × 1,200 mm facing N
- Hallway EBS-003-004-001 W11: 2,700 × 3,300 mm facing E
- Rumpus VIT-002-002-001 W5: 3,600 × 4,930 mm facing E
- Rumpus EBS-003-004-001 W6: 3,600 × 1,200 mm facing S
- PDR CAP-148-029-001 W7: 3,600 × 1,540 mm facing E
- Laundry EBS-003-004-001 W24: 2,700 × 1,570 mm facing W
- Laundry CAP-115-050-001 W25: 2,700 × 1,200 mm facing W
- Bath 2 EBS-003-004-001 W21: 2,700 × 863 mm facing W
- Bath 2 EBS-003-004-001 W22: 2,700 × 863 mm facing W
- Bath 2 CAP-584-019-001 W23: 2,700 × 1,726 mm facing W
- Master Suite VIT-002-002-001 W29: 2,700 × 6,500 mm facing E
- Master Suite EBS-003-004-001 W30: 2,700 × 1,950 mm facing E
- Master Suite EBS-003-004-001 W31: 2,700 × 490 mm facing N
- Master Suite CAP-148-029-001 W32: 2,700 × 800 mm facing NE
- Master Suite CAP-148-029-001 W33: 1,700 × 800 mm facing S
- ENS VIT-002-002-001 W28: 2,700 × 3,410 mm facing E
- ENS VIT-002-002-001: 2,700 × 3,710 mm facing N
- ENS EBS-003-004-001: 2,700 × 1,200 mm facing N
Certificate 0012686804, issued 17 December 2025, from the council's DA documents. Verify this certificate
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