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Home report
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40 Montavella Road Gormans Hill NSW 2795
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BASIX certificate and NatHERS rating
This home has a NatHERS rating of 7 stars out of 10. Its BASIX certificate commits it to 2 kW of solar panels and a 60,000 litre rainwater tank. Its NatHERS certificate lists insulation in the floor. It beat its BASIX energy and water targets, scoring 69 against 61 for energy and 86 against 40 for water.
Key features
- Windows
- 28 windows and glazed doors: Timber A DG Air Fill Clear-Clear; RESIDENTIAL SERIES 516 AWNING WINDOW- DOUBLE GLAZED; RESIDENTIAL SERIES 541/542 SLIDING DOOR -DOUBLE GLAZED and 1 more types
- Wall insulation
- Fibreglass batts or roll
- Roof and ceiling insulation
- Roof Added insulation absorptance Roof Colour ATTIC-METAL-01: Pitched / Attic Metal Roof (Roofspace) & Flat PB Ceiling 0.00, dark 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)
BASIX certificate
- Energy score
- 69 (target 61)
- Water score
- 86 (target 40)
- Materials score
- -100
- Heating load
- 146 MJ/m² a year
- Cooling load
- 9 MJ/m² a year
- Bedrooms
- 4
- Conditioned floor area
- 319 m²
- Unconditioned floor area
- 41.5 m²
- Site area
- 23,300 m²
- Roof area
- 512 m²
- Garden area
- 350 m²
- Climate zone
- NatHERS climate zone 65
- Hot water
- Electric heat pump with a performance of 15 to 20 STCs or better
- Solar panels
- 2 kW
- Rainwater tank
- 60,000 litres
- Fixtures
- Showerheads 3 star, toilets 3 star, kitchen taps 3 star, basin taps 3 star
- LED lighting
- Yes
- Clothes line
- Yes
- Maximum glazing
- aluminium frames 76.6 m², timber frames 1.4 m², double glazing 78 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 (foil-foam composite board)
- Garage floor: concrete slab on ground (no added insulation)
- External wall: brick veneer; frame: timber - H2 treated softwood (fibreglass batts or roll)
- External wall: framed (fibre cement sheet or boards); frame: timber - H2 treated softwood (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: 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/sarking.)
- Ceiling and roof: raked ceiling / pitched or skillion roof, framed - metal roof, timber - H2 treated softwood (ceiling: fibreglass batts or roll; roof: foil/sarking.)
Certificate 1863169S_02, issued 28 August 2026, from the council's DA documents.
NatHERS certificate
- Star rating
- 7 stars
- Rated with
- Hero 4.1
- Rated on
- 28 Aug 2026
- Floor insulation
- R1.63, R2.70, R6.00, R2.50
- Living room glazing by direction
- ENE 5.4 m², SSE 6.5 m², NNW 15.8 m²
- All glazing by direction
- ENE 20 m², SSE 14 m², WSW 18.5 m², NNW 25.5 m²
Roof
- Added insulation absorptance Roof Colour ATTIC-METAL-01: Pitched / Attic Metal Roof (Roofspace) & Flat PB Ceiling 0.00, dark colour
Window types
- TIM-003-01 W Timber A DG Air Fill Clear-Clear: U-value 3, SHGC 0.48
- AWS-008-371 RESIDENTIAL SERIES 516 AWNING WINDOW- DOUBLE GLAZED: U-value 4.2, SHGC 0.55
- AWS-013-358 RESIDENTIAL SERIES 541/542 SLIDING DOOR -DOUBLE GLAZED: U-value 3.8, SHGC 0.61
- AWS-067-334 RES SERIES 516 FIXED WINDOW: U-value 3.1, SHGC 0.67
Window schedule
- BATH, window AWS-008-371: 900 × 1,500 mm facing ENE
- BED 2, window AWS-008-371: 1,500 × 2,100 mm facing SSE
- BED 3, window AWS-008-371: 1,500 × 2,100 mm facing WSW
- BED 4, window AWS-008-371: 1,500 × 2,100 mm facing WSW
- ENTRY/HALL, window TIM-003-01 W: 1,170 × 1,200 mm facing WSW
- GARAGE, window AWS-008-371: 1,800 × 1,500 mm facing WSW
- GARAGE, window AWS-008-371: 1,800 × 1,500 mm facing WSW
- GYM, window AWS-008-371: 1,800 × 900 mm facing NNW
- GYM, window AWS-008-371: 1,800 × 900 mm facing NNW
- GYM, window AWS-008-371: 1,800 × 1,500 mm facing WSW
- GYM, window AWS-008-371: 1,800 × 1,500 mm facing WSW
- KITCHEN/PANTRY /FAMILY/DINING, window AWS-008-371: 1,800 × 900 mm facing NNW
- KITCHEN/PANTRY /FAMILY/DINING, window AWS-008-371: 1,800 × 2,100 mm facing NNW
- KITCHEN/PANTRY /FAMILY/DINING, window AWS-008-371: 1,800 × 2,100 mm facing NNW
- KITCHEN/PANTRY /FAMILY/DINING, window AWS-008-371: 1,800 × 2,100 mm facing NNW
- KITCHEN/PANTRY /FAMILY/DINING, window AWS-008-371: 1,800 × 1,500 mm facing ENE
- KITCHEN/PANTRY /FAMILY/DINING, window AWS-008-371: 1,800 × 1,500 mm facing ENE
- KITCHEN/PANTRY /FAMILY/DINING, window AWS-013-358: 2,400 × 2,700 mm facing SSE
- LAUNDRY, window AWS-067-334: 300 × 1,500 mm facing SSE
- LAUNDRY, window AWS-013-358: 2,100 × 1,500 mm facing SSE
- LIVING, window AWS-008-371: 900 × 3,100 mm facing NNW
- MASTER BEDROOM, window AWS-013-358: 2,400 × 2,700 mm facing NNW
- MASTER BEDROOM, window AWS-008-371: 1,800 × 1,500 mm facing ENE
- MASTER BEDROOM, window AWS-008-371: 1,800 × 1,500 mm facing ENE
- MASTER BEDROOM - ENSUITE, window AWS-008-371: 900 × 900 mm facing SSE
- OFFICE, window AWS-013-358: 2,400 × 2,700 mm facing ENE
- POWDER, window AWS-008-371: 900 × 900 mm facing ENE
- WC, window AWS-008-371: 900 × 600 mm facing ENE
Certificate HR-F822WC-02, issued 28 August 2026, from the council's DA documents. Verify this certificate
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