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Home report
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136 Seaspray Street Narrawallee NSW 2539
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 1.5 kW of solar panels and a 3,000 litre rainwater tank. It beat its BASIX water target, scoring 41 against 40.
Key features
- Windows
- 21 windows and glazed doors
- Wall insulation
- Fibreglass batts or roll; No added insulation
- Roof and ceiling insulation
- Roof Added insulation absorptance Roof Colour ATTIC-METAL-01: Pitched / Attic Metal Roof (Roofspace) & Flat PB Ceiling 1.80, dark colour
- Hot water
- Electric instantaneous
- Air conditioning and heating
- 3-phase airconditioning (living area and bedroom); Wood heater (living area and bedroom)
BASIX certificate
- Energy score
- 69 (target 69)
- Water score
- 41 (target 40)
- Thermal performance
- Pass
- Materials score
- -54
- Heating load
- 35 MJ/m² a year
- Cooling load
- 26 MJ/m² a year
- Bedrooms
- 4
- Conditioned floor area
- 299 m²
- Unconditioned floor area
- 13.8 m²
- Site area
- 735 m²
- Roof area
- 362 m²
- Garden area
- 200 m²
- Climate zone
- NatHERS climate zone 18
- Hot water
- Electric instantaneous
- Solar panels
- 1.5 kW
- Rainwater tank
- 3,000 litres
- Fixtures
- Showerheads 4 star, toilets 4 star, kitchen taps 4 star, basin taps 4 star
- LED lighting
- Yes
- Clothes line
- Yes
- Maximum glazing
- aluminium frames 70.5 m², double glazing 70.5 m²
Heating
- Living area: wood heater; Energy rating: n/a
- Bedroom: wood heater; Energy rating: n/a
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 (polystyrene)
- Floor: above habitable rooms or mezzanine, particle board; frame: timber - H2 treated softwood (fibreglass batts or roll)
- Garage floor: concrete slab on ground (polystyrene)
- External wall: brick veneer; frame: timber - H2 treated softwood (fibreglass batts or roll)
- External wall: concrete block/plasterboard; frame: no frame (no added insulation)
- External wall: framed (metal clad); frame: timber - H2 treated softwood (fibreglass batts or roll)
- External wall: concrete block/plasterboard; frame: timber - H2 treated softwood (fibreglass batts or roll)
- External garage wall: concrete block/plasterboard; frame: no frame (no added insulation)
- External garage wall: cavity brick; frame: no frame (no added insulation)
- Internal wall: plasterboard; frame: timber - H2 treated softwood (no added insulation)
- Internal wall: plasterboard; frame: timber - H2 treated softwood (fibreglass batts or roll)
- Ceiling and roof: flat ceiling / pitched roof, framed - metal roof, timber - H2 treated softwood (ceiling: fibreglass batts or roll; roof: foil backed blanket.)
- Ceiling and roof: raked ceiling / pitched or skillion roof, framed - metal roof, timber - H2 treated softwood (ceiling: fibreglass batts or roll; roof: foil backed blanket.)
Certificate 1806906S, issued 4 August 2025, from the council's DA documents.
NatHERS certificate
- Star rating
- 7 stars
- Rated with
- Hero 4.1
- Rated on
- 04 Aug 2025
- Living room glazing by direction
- N 26 m², E 5.4 m², S 13.4 m², W 2.4 m²
- All glazing by direction
- N 33.1 m², E 8.6 m², S 19.9 m², W 8.9 m²
Roof
- Added insulation absorptance Roof Colour ATTIC-METAL-01: Pitched / Attic Metal Roof (Roofspace) & Flat PB Ceiling 1.80, dark colour
- (Monument) FLAT-01: Flat Framed / Skillion Metal Roof & Flat PB Ceiling 1.80, dark colour
- (Monument) FLAT-02: Flat Framed / Skillion Metal Roof & Cathedral PB Ceiling (11°-33°) 1.80, dark colour
- (Monument) SLAB-150-CEIL-01: Concrete Slab (150mm) with Suspended PB Ceiling 0.00, dark colour
Window schedule
- Bathroom_FF HALWS-050-050 W10: 1,800 × 900 mm facing W
- Bedroom 3 HASWD-040-062 W09: 1,200 × 2,700 mm facing S
- Bedroom 2 HASWD-035-022 W11: 900 × 2,410 mm facing W
- Bedroom 4 HASWD-040-062 W08: 1,200 × 2,700 mm facing S
- Garage HASWD-030-050 W02: 900 × 2,700 mm facing E
- Kitchen/Living HASDD-030-062 D05: 2,100 × 4,800 mm facing S
- Kitchen/Living HAFWD-025-033 W03: 1,650 × 2,400 mm facing N
- Kitchen/Living HASDD-025-024 D04: 2,100 × 4,800 mm facing N
- Kitchen/Living HASWD-030-050 W05: 900 × 3,000 mm facing E
- Kitchen/Living HASWD-030-050 W06: 900 × 3,000 mm facing E
- Kitchen/Living HAFWD-025-062 W04: 700 × 4,800 mm facing N
- Kitchen/Living HASDD-025-056 W07: 700 × 4,800 mm facing S
- Laundry HALWS-050-050 D06 A: 1,100 × 680 mm facing E
- Master Bedroom HAFWD-025-033 W14 B: 1,200 × 1,800 mm facing N
- Master Bedroom HALWS-050-050 W14 C: 1,200 × 900 mm facing N
- Master Bedroom HALWS-050-050 W14 A: 1,200 × 900 mm facing N
- Master ENS HALWS-050-050 W12: 1,800 × 900 mm facing W
- Master WIR HAAWD-030-050 W13: 1,200 × 900 mm facing W
- Rumpus HASWD-035-022 W01: 900 × 2,700 mm facing W
- Rumpus HASDD-025-056 D03: 2,400 × 3,600 mm facing N
- Stairs_GF HAFWD-025-062 D01 A: 2,400 × 1,150 mm facing N
Certificate HR-2A8B7U-01, issued 4 August 2025, from the council's DA documents. Verify this certificate
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