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Home report
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21 Renown Avenue Shoalhaven Heads NSW 2535
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 6.54 kW of solar panels and a 3,750 litre rainwater tank. Its NatHERS certificate lists insulation in the external walls, ceiling and floor. It beat its BASIX energy target, scoring 100 against 69.
Key features
- Windows
- 20 windows and glazed doors: Aluminium A SG Clear; Aluminium B SG Clear; Aluminium B DG Air Fill Clear-Clear
- Wall insulation
- R2.5
- Roof and ceiling insulation
- Ceiling R5, roof Corrugated Iron Timber Frame Bulk, Reflective Side Down, No Air Gap Above R1.3, medium colour
- Hot water
- Electric heat pump with a performance of 15 to 20 STCs or better
- Air conditioning and heating
- 1-phase airconditioning, ducted (living area and bedroom)
Built by White Sands.
BASIX certificate
- Energy score
- 100 (target 69)
- Water score
- 40 (target 40)
- Thermal performance
- Pass
- Materials score
- -34
- Heating load
- 53 MJ/m² a year
- Cooling load
- 8 MJ/m² a year
- Bedrooms
- 4
- Conditioned floor area
- 181.5 m²
- Unconditioned floor area
- 23.5 m²
- Site area
- 1,018 m²
- Roof area
- 351 m²
- Garden area
- 597 m²
- Climate zone
- NatHERS climate zone 18
- Hot water
- Electric heat pump with a performance of 15 to 20 STCs or better
- Solar panels
- 6.54 kW
- Rainwater tank
- 3,750 litres
- Fixtures
- Showerheads 4 star, toilets 4 star, kitchen taps 5 star, basin taps 4 star
- LED lighting
- Yes
- Cooktop
- Induction
- Clothes line
- Yes
- Maximum glazing
- aluminium frames 39 m², single glazing 27.9 m², double glazing 11.1 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 (no added insulation)
- Garage floor: concrete slab on ground (no added insulation)
- External wall: brick veneer; frame: timber - H2 treated softwood (fibreglass batts or roll+ foil/sarking)
- External wall: framed (fibre cement sheet or boards); frame: timber - H2 treated softwood (fibreglass batts or roll+ foil/sarking)
- External garage wall: brick veneer; frame: timber - H2 treated softwood (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.)
Certificate 1838343S, issued 19 March 2026, from the council's DA documents.
NatHERS certificate
- Star rating
- 7 stars
- Rated with
- BERS Pro v5.2.6 (3.23)
- Rated on
- 19 Mar 2026
- Wall insulation
- R2.5
- Ceiling insulation
- R5
- Floor insulation
- R2.5, R2, R0.9
- LED downlights
- 42
- Living room glazing by direction
- NE 5.6 m², SW 2.7 m², NW 10.1 m²
- All glazing by direction
- NE 11.7 m², SE 8.4 m², SW 5.4 m², NW 13.5 m²
Roof
- Corrugated Iron Timber Frame Bulk, Reflective Side Down, No Air Gap Above R1.3, medium colour
Window types
- ALM-001-01 A Aluminium A SG Clear: U-value 6.7, SHGC 0.57
- ALM-002-01 A Aluminium B SG Clear: U-value 6.7, SHGC 0.7
- ALM-004-01 A Aluminium B DG Air Fill Clear-Clear: U-value 4.8, SHGC 0.59
Window schedule
- Entry, window ALM-001-01 A: 2,100 × 1,280 mm facing SW
- Lounge, window ALM-001-01 A: 1,460 × 610 mm facing SW
- Lounge, window ALM-001-01 A: 1,460 × 610 mm facing SW
- Lounge, window ALM-001-01 A: 1,460 × 610 mm facing SW
- Lounge, window ALM-001-01 A: 600 × 2,410 mm facing NW
- Ens 2, window ALM-002-01 A: 860 × 1,450 mm facing NW
- Bed 4, window ALM-002-01 A: 1,200 × 1,810 mm facing NW
- Kitchen/Living1, window ALM-001-01 A: 1,800 × 850 mm facing NW
- Kitchen/Living1, window ALM-001-01 A: 1,800 × 850 mm facing NW
- Kitchen/Living1, window ALM-004-01 A: 2,100 × 2,650 mm facing NE
- Kitchen/Living1, window ALM-004-01 A: 2,100 × 2,650 mm facing NW
- Bed 1, window ALM-002-01 A: 1,460 × 2,410 mm facing NE
- Wir, window ALM-001-01 A: 1,800 × 610 mm facing NE
- Ens, window ALM-001-01 A: 1,800 × 850 mm facing NE
- Ens, window ALM-002-01 A: 860 × 850 mm facing SE
- Bed 3, window ALM-002-01 A: 1,200 × 1,810 mm facing SE
- Bath, window ALM-002-01 A: 860 × 850 mm facing SE
- Wc, window ALM-002-01 A: 860 × 850 mm facing SE
- Bed 2, window ALM-002-01 A: 1,200 × 1,810 mm facing SE
- Laundry, window ALM-001-01 A: 2,100 × 900 mm facing SE
Certificate 0012856696, issued 19 March 2026, from the council's DA documents. Verify this certificate
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