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Home report
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36 Hay Street Collaroy NSW 2097
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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 17 kW of solar panels and a 2,000 litre rainwater tank. Its NatHERS certificate lists insulation in the external walls, ceiling and floor. It beat its BASIX energy target, scoring 92 against 72.
Key features
- Windows
- 40 windows and glazed doors
- Wall insulation
- R1.8, R2.5
- Roof and ceiling insulation
- Ceiling R4.5, roof Construction Insulation Reflective wrap* Waterproofing Membrane No Added Insulation, No air Gap, medium colour
- Hot water
- Gas instantaneous with a performance of 6 stars
- Air conditioning and heating
- 3-phase airconditioning (living area and bedroom)
BASIX certificate
- Energy score
- 92 (target 72)
- Water score
- 40 (target 40)
- Materials score
- -100
- Heating load
- 19 MJ/m² a year
- Cooling load
- 10 MJ/m² a year
- Bedrooms
- 4
- Conditioned floor area
- 398 m²
- Unconditioned floor area
- 21 m²
- Site area
- 695 m²
- Roof area
- 300 m²
- Garden area
- 150 m²
- Climate zone
- NatHERS climate zone 56
- Hot water
- Gas instantaneous with a performance of 6 stars
- Solar panels
- 17 kW
- Rainwater tank
- 2,000 litres
- Fixtures
- Showerheads 5 star, toilets 4 star, kitchen taps 5 star, basin taps 5 star
- LED lighting
- Yes
- Cooktop
- Gas
- Clothes line
- Yes
- Maximum glazing
- aluminium frames 110 m², single glazing 110 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: suspended floor above open subfloor, concrete - suspended; frame: no frame (rockwool batts, roll or pump-in)
- Floor: above habitable rooms or mezzanine, concrete - suspended; frame: no frame (no added insulation)
- Floor: suspended floor above garage, concrete - suspended; frame: no frame (no added insulation)
- Garage floor: concrete slab on ground (no added insulation)
- External wall: cavity brick; frame: light steel frame (rockwool batts, roll or pump-in)
- External wall: framed (metal clad); frame: timber - untreated softwood (rockwool batts, roll or pump-in+ foil/sarking)
- External garage wall: cavity brick; frame: light steel frame (rockwool batts, roll or pump-in)
- Internal wall: plasterboard; frame: light steel frame (no added insulation)
- Ceiling and roof: flat ceiling / flat roof, framed - metal roof, timber - untreated softwood (ceiling: rockwool batts, roll or pump-in; roof: foil/sarking.)
Certificate 1846826S_03, issued 30 June 2026, from the council's DA documents.
NatHERS certificate
- Star rating
- 7.1 stars
- Rated with
- BERS Pro v5.2.4 (3.23)
- Rated on
- 25 Jun 2026
- Wall insulation
- R1.8, R2.5
- Ceiling insulation
- R4.5
- Floor insulation
- R1.8, R2.5, R4.5, R2
- LED downlights
- 98
- Living room glazing by direction
- N 28.7 m², E 12.1 m², S 2.4 m², W 22.4 m²
- All glazing by direction
- N 47.9 m², E 30.9 m², S 22.5 m², W 27.4 m²
Roof
- Construction Insulation Reflective wrap* Waterproofing Membrane No Added Insulation, No air Gap, medium colour
- Corrugated Iron Timber Frame Bulk, Reflective Side Down, Anti-glare Up R1.8, dark colour
Window schedule
- Rumpus ATB-004-01 B W4: 900 × 3,200 mm facing N
- Rumpus ATB-004-01 B W21: 2,500 × 2,260 mm facing E
- Pdr 1 ATB-004-01 B W3: 900 × 900 mm facing N
- Garage ALM-004-01 A W2: 1,200 × 1,500 mm facing S
- Garage ATB-004-01 B W78: 500 × 3,000 mm facing S
- PLANT ALM-004-01 A W1: 900 × 1,500 mm facing N
- Living ATB-004-01 B W51: 2,500 × 6,760 mm facing W
- Living ATB-004-01 B W52: 2,500 × 4,320 mm facing N
- Living ATB-004-01 B W30: 750 × 3,200 mm facing S
- Living ATB-004-01 B S10: 750 × 6,760 mm facing N
- Living ATB-004-01 B S11: 750 × 4,320 mm facing N
- Kitchen/Living ATB-004-01 B W7: 900 × 3,200 mm facing N
- Kitchen/Living ATB-004-01 B W8: 900 × 2,400 mm facing N
- Kitchen/Living ATB-004-01 B W9: 700 × 2,400 mm facing N
- Kitchen/Living ATB-004-01 B W25: 2,500 × 2,260 mm facing E
- Kitchen/Living ATB-004-01 B W79: 2,500 × 300 mm facing E
- Kitchen/Living ATB-004-01 B W85: 2,500 × 2,180 mm facing W
- Laundry ATB-004-01 B W77: 1,500 × 2,400 mm facing S
- Bedroom 1 ALM-004-01 A W22: 1,600 × 750 mm facing E
- Bedroom 1 ALM-004-01 A W23: 1,600 × 750 mm facing E
- Bedroom 1 ATB-004-01 B W24: 1,600 × 3,300 mm facing E
- Bedroom 1 ATB-004-01 B W38: 850 × 2,400 mm facing S
- Study/Sitting ALM-004-01 A W27: 1,750 × 750 mm facing E
- Study/Sitting ATB-004-01 B W28: 1,750 × 3,210 mm facing E
- Study/Sitting ALM-004-01 A W84: 1,750 × 750 mm facing N
- Study/Sitting ATB-004-01 B: 1,750 × 3,210 mm facing N
- Study/Sitting ALM-004-01 A W83: 1,750 × 750 mm facing N
- Study/Sitting ATB-004-01 B: 1,600 × 1,650 mm facing N
- Study/Sitting ALM-004-01 A W82: 1,750 × 750 mm facing N
- Study/Sitting ATB-004-01 B: 1,750 × 1,650 mm facing N
- Bedroom 2 ALM-004-01 A W26: 1,750 × 750 mm facing E
- Bedroom 2 ATB-004-01 B W29: 1,750 × 1,650 mm facing E
- Bedroom 2 ATB-004-01 B W48: 800 × 2,400 mm facing S
- Ens 2 ATB-004-01 B: 1,500 × 1,650 mm facing S
- Bedroom 3 ATB-004-01 B W40: 800 × 2,400 mm facing S
- Bedroom 3 ATB-004-01 B W54: 1,200 × 2,100 mm facing W
- Bedroom 4 ATB-004-01 B W19: 800 × 2,400 mm facing N
- Bedroom 4 ATB-004-01 B W53: 1,200 × 2,100 mm facing W
- Ens 1 ATB-004-01 B: 850 × 2,800 mm facing S
- Bath ATB-004-01 B: 1,500 × 1,650 mm facing S
Certificate 0012991758-01, issued 25 June 2026, from the council's DA documents. Verify this certificate
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