35 East Crescent Street Lavender Bay NSW 2060

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BASIX certificate and NatHERS rating

This home has a NatHERS rating of 7.1 stars out of 10. Its BASIX certificate commits it to 1.5 kW of solar panels and a 3,000 litre rainwater tank. Its NatHERS certificate lists insulation in the external walls, ceiling and floor. It beat its BASIX energy and water targets, scoring 76 against 72 for energy and 41 against 40 for water.

Key features

Windows: 48 windows and glazed doors: Composite A DG Air Fill Low Solar Gain low-E - Clear; Composite B DG Argon Fill Low Solar Gain low-E -Clear; VELUX FS - Fixed Skylight DG 3mm LoE 366 / 10.5mm Argon Gap / 3mm Clear
Wall insulation: R2.5
Roof and ceiling insulation: Ceiling R4.5, roof Waterproofing Membrane Bulk, Reflective Side Down, Anti-glare Up with 0.20 Thermal Break R1.8, light colour
Hot water: Electric heat pump 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: 76 (target 72)
Water score: 41 (target 40)
Thermal performance: Pass
Materials score: -84
Heating load: 14 MJ/m² a year
Cooling load: 16 MJ/m² a year
Bedrooms: 5
Conditioned floor area: 642 m²
Unconditioned floor area: 31 m²
Site area: 329 m²
Roof area: 73 m²
Garden area: 180 m²
Climate zone: NatHERS climate zone 17
Hot water: Electric heat pump with a performance of 21 to 25 STCs or better
Solar panels: 1.5 kW
Rainwater tank: 3,000 litres
Fixtures: Showerheads 3 star, toilets 4 star, kitchen taps 5 star, basin taps 5 star
LED lighting: Yes
Cooktop: Induction
Clothes line: Yes
Maximum glazing: aluminium frames 280 m², double glazing 280 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 2.5 - 3.0
Bedroom: 3-phase airconditioning; 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: no frame (foil-foam composite board)
Floor: above habitable rooms or mezzanine, treated softwood; frame: timber - H2 treated softwood (no added insulation)
External wall: concrete block/plasterboard; frame: light steel frame. all external walls rockwool batts, roll or pump-in+ foil/sarking
External garage wall: brick veneer; frame: light steel frame (no added insulation)
Internal wall: 75 mm AAC panel; frame: light steel frame (rockwool batts, roll or pump-in)
Internal wall: cavity brick wall; frame: light steel frame (rockwool batts, roll or pump-in)
Ceiling and roof: flat ceiling / flat roof, framed - metal roof, light steel frame (ceiling: rockwool batts, roll or pump-in; roof: foil backed blanket.)

Certificate 1749772S_02, issued 31 May 2024, from the council's DA documents.

NatHERS certificate

Star rating: 7.1 stars
Rated with: BERS Pro v5.1.7 (3.22)
Rated on: 31 May 2024
Wall insulation: R2.5
Ceiling insulation: R4.5
Floor insulation: R1, R2.5, R2.7, R2.3, R3.5
LED downlights: 251
Living room glazing by direction: N 59.3 m², E 76.4 m², S 17.8 m², W 9.4 m²
All glazing by direction: N 71.7 m², E 115 m², S 57.5 m², W 35.7 m²

Roof

Waterproofing Membrane Bulk, Reflective Side Down, Anti-glare Up with 0.20 Thermal Break R1.8, light colour

Window types

CMP-003-04 I Composite A DG Air Fill Low Solar Gain low-E - Clear: U-value 3.4, SHGC 0.32
CMP-006-04 I Composite B DG Argon Fill Low Solar Gain low-E -Clear: U-value 2.2, SHGC 0.39
VEL-011-02 W VELUX FS - Fixed Skylight DG 3mm LoE 366 / 10.5mm Argon Gap / 3mm Clear: U-value 2.7, SHGC 0.24

Window schedule

Living Lower, window CMP-006-04 I: 2,700 × 3,900 mm facing E
Bedroom 1, window CMP-006-04 I: 2,700 × 4,600 mm facing E
Bedroom 1, window CMP-006-04 I: 2,400 × 3,250 mm facing S
Bedroom 2, window CMP-006-04 I: 2,700 × 900 mm facing E
Bedroom 3, window CMP-006-04 I: 2,400 × 900 mm facing S
Bedroom 3, window CMP-006-04 I: 2,400 × 1,100 mm facing W
Bedroom 3, window CMP-006-04 I: 2,400 × 1,800 mm facing W
Night Time 3, window CMP-006-04 I: 2,400 × 1,300 mm facing S
Kitchen/Living 1, window CMP-006-04 I: 2,700 × 4,500 mm facing N
Kitchen/Living 1, window CMP-006-04 I: 2,700 × 1,500 mm facing N
Kitchen/Living 1, window CMP-006-04 I: 2,700 × 5,800 mm facing E
Formal Living, window CMP-006-04 I: 2,400 × 1,400 mm facing N
Formal Living, window CMP-006-04 I: 2,400 × 4,500 mm facing N
Formal Living, window CMP-006-04 I: 2,400 × 5,800 mm facing E
Formal Living, window CMP-006-04 I: 2,000 × 800 mm facing S
Formal Living, window CMP-003-04 I: 2,700 × 1,400 mm facing S
Formal Living, window CMP-006-04 I: 1,100 × 720 mm facing W
Bath, window CMP-006-04 I: 2,600 × 2,300 mm facing S
Bath, window CMP-006-04 I: 2,700 × 2,300 mm facing N
Bedroom 4, window CMP-006-04 I: 2,700 × 900 mm facing E
Library, window CMP-006-04 I: 2,600 × 900 mm facing S
Library, window CMP-006-04 I: 2,600 × 2,900 mm facing W
Bedroom 5, window CMP-006-04 I: 2,400 × 3,700 mm facing E
Bedroom 5, window CMP-006-04 I: 2,400 × 650 mm facing S
Bedroom 5, window CMP-006-04 I: 2,400 × 800 mm facing S
Kitchen/Living 2, window CMP-006-04 I: 2,700 × 1,400 mm facing N
Kitchen/Living 2, window CMP-006-04 I: 2,700 × 4,500 mm facing N
Kitchen/Living 2, window CMP-006-04 I: 2,700 × 5,800 mm facing E
Kitchen/Living 2, window CMP-006-04 I: 1,700 × 780 mm facing S
Kitchen/Living 2, window CMP-006-04 I: 2,700 × 1,400 mm facing S
Kitchen/Living 2, window CMP-006-04 I: 1,600 × 800 mm facing W
Pantry, window CMP-006-04 I: 2,700 × 1,800 mm facing W
Pantry, window CMP-006-04 I: 2,700 × 1,000 mm facing W
Pantry, window CMP-006-04 I: 2,700 × 2,300 mm facing N
Bedroom 6, window CMP-006-04 I: 2,700 × 4,600 mm facing E
Bedroom 6, window CMP-006-04 I: 2,700 × 3,250 mm facing S
Ensuite, window CMP-006-04 I: 2,700 × 500 mm facing W
Bath, window CMP-006-04 I: 2,700 × 900 mm facing S
Bath, window CMP-006-04 I: 2,700 × 1,100 mm facing W
Dining, window CMP-006-04 I: 2,600 × 1,000 mm facing W
Dining, window CMP-006-04 I: 2,600 × 1,800 mm facing W
Dining, window CMP-006-04 I: 2,600 × 4,500 mm facing N
Dining, window CMP-006-04 I: 2,600 × 500 mm facing N
Dining, window CMP-006-04 I: 2,600 × 3,850 mm facing E
Dining, window CMP-006-04 I: 2,600 × 1,800 mm facing E
Dining, window CMP-006-04 I: 2,600 × 2,300 mm facing E
Dining, window CMP-006-04 I: 2,600 × 2,800 mm facing S
Powder, window CMP-006-04 I: 2,600 × 1,400 mm facing S

Certificate 0009498486-01, issued 31 May 2024, from the council's DA documents. Verify this certificate

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35 East Crescent Street Lavender Bay NSW 2060

Key features

BASIX certificate

NatHERS certificate

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