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Home report
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42 Rednal Street Mona Vale NSW 2103
BASIX certificate and NatHERS rating
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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 78 against 72 for energy and 42 against 40 for water.
Key features
- Windows
- 34 windows and glazed doors
- Wall insulation
- R2.5
- Roof and ceiling insulation
- Ceiling R4, R2, roof Waterproofing Membrane No Insulation, Only an Air Gap, medium colour
- Hot water
- Electric heat pump with a performance of 21 to 25 STCs or better
- Air conditioning and heating
- 1-phase airconditioning, ducted (living area and bedroom)
BASIX certificate
- Energy score
- 78 (target 72)
- Water score
- 42 (target 40)
- Thermal performance
- Pass
- Materials score
- -100
- Heating load
- 20 MJ/m² a year
- Cooling load
- 9 MJ/m² a year
- Bedrooms
- 5
- Conditioned floor area
- 472.3 m²
- Unconditioned floor area
- 13.1 m²
- Site area
- 835 m²
- Roof area
- 229 m²
- Garden area
- 501 m²
- Climate zone
- NatHERS climate zone 56
- 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 4 star, toilets 4 star, kitchen taps 4 star, basin taps 4 star
- LED lighting
- Yes
- Cooktop
- Gas
- Clothes line
- Yes
- Maximum glazing
- aluminium frames 155.2 m², single glazing 70.5 m², double glazing 84.7 m²
Heating
- Living area: 1-phase airconditioning - ducted; Energy rating: EER 3.0 - 3.5
- Bedroom: 1-phase airconditioning - ducted; Energy rating: EER 3.0 - 3.5
Cooling
- Living area: 1-phase airconditioning - ducted; Energy rating: EER 3.0 - 3.5
- Bedroom: 1-phase airconditioning - ducted; 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 (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: brick veneer; frame: timber - H2 treated softwood. all external walls fibreglass batts or roll
- External garage wall: brick veneer; frame: timber - H2 treated softwood (no added insulation)
- Internal wall: plasterboard; frame: timber - H2 treated softwood (no added insulation)
- Internal wall: single skin masonry; frame: no frame (no added insulation)
- Ceiling and roof: flat ceiling / flat roof, concrete - plasterboard internal, no frame (ceiling: fibreglass batts or roll; roof: none.)
Certificate 1808910S, issued 18 August 2025, from the council's DA documents.
NatHERS certificate
- Star rating
- 7.1 stars
- Rated with
- BERS Pro v5.2.4 (3.23)
- Rated on
- 04 Aug 2025
- Wall insulation
- R2.5
- Ceiling insulation
- R4, R2
- Floor insulation
- R2.5, R2
- Living room glazing by direction
- E 18.3 m²
- All glazing by direction
- N 26.4 m², E 75.4 m², S 36.2 m², W 17.2 m²
Roof
- Waterproofing Membrane No Insulation, Only an Air Gap, medium colour
Window schedule
- OFFICE HAAWD-035-045-001 W001: 1,500 × 1,400 mm facing N
- BILLIARD RUMPUS HAAWS-050-045-001 W002: 2,700 × 790 mm facing E
- BILLIARD RUMPUS HASDS-045-056-001 W003: 2,700 × 4,800 mm facing E
- BILLIARD RUMPUS HAFWS-040-045-001 W004: 2,700 × 1,181 mm facing E
- BED 5 HASDS-045-056-001 W005: 2,700 × 2,945 mm facing E
- ENSUITE 5 HAAWS-060-062-001 W006: 900 × 1,698 mm facing S
- GF HALL HAAWD-035-045-001 W007: 1,350 × 1,100 mm facing S
- CLOAK HAAWS-060-062-001 W102: 2,700 × 900 mm facing N
- LAUNDRY HAHDS-060-056-001 W103: 2,700 × 960 mm facing N
- UF WC HAAWS-060-062-001 W104: 2,700 × 550 mm facing N
- KIT DIN LIV HAAWD-035-045-001 W105: 1,700 × 790 mm facing E
- KIT DIN LIV HAFWD-025-056-001 W106: 1,700 × 1,200 mm facing N
- KIT DIN LIV HASDD-030-050-001 W107: 2,700 × 4,970 mm facing E
- KIT DIN LIV HASDD-030-050-001 W108: 2,700 × 4,395 mm facing E
- GARAGE HAAWS-060-062-001 W101: 2,700 × 600 mm facing E
- BED 2 HAAWS-050-045-001 W201: 1,700 × 1,130 mm facing N
- BED 2 HASDD-030-050-001 W217: 2,700 × 3,658 mm facing W
- ENSUITE 2 HAAWS-060-062-001 W202: 1,700 × 1,650 mm facing N
- STUDY HASDD-035-045-001 W203: 1,700 × 1,650 mm facing N
- ENSUITE 1 HAAWS-060-062-001 W204: 2,200 × 1,115 mm facing N
- ENSUITE 1 HAFWS-060-062-001 W205: 2,200 × 627 mm facing E
- WIR 1 HAAWS-050-045-001 W206: 1,700 × 1,000 mm facing N
- BED 1 HAFWS-040-045-001 W207: 2,700 × 1,500 mm facing N
- BED 1 HASDD-030-050-001 W208: 2,700 × 6,390 mm facing E
- BED 1 HASDD-030-050-001 W209: 2,700 × 4,385 mm facing S
- VOID HAFWD-025-056-001 W210: 2,700 × 1,100 mm facing S
- VOID HAFWD-025-056-001 W211: 2,700 × 1,705 mm facing S
- ENSUITE 4 HAAWS-060-062-001 W212: 600 × 367 mm facing E
- BED 4 HAAWS-050-045-001 W213: 2,700 × 2,400 mm facing S
- BED 3 HAAWS-050-045-001 W214: 2,700 × 1,550 mm facing S
- BED 3 HASDS-045-056-001 W215: 2,700 × 2,320 mm facing W
- ENSUITE 3 HAAWS-060-062-001 W216: 600 × 1,765 mm facing W
- Basement Entry HAHDS-045-050-001 Basement Entry: 2,100 × 1,000 mm facing E
- UF ENTRY HALL HAFWD-025-056-001 W109: 2,850 × 1,100 mm facing S
Certificate 0011513173-02, issued 4 August 2025, from the council's DA documents. Verify this certificate
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