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Home report
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112 Wattle Tree Road Holgate NSW 2250
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BASIX certificate and NatHERS rating
This home has a NatHERS rating of 7.2 stars out of 10. Its BASIX certificate commits it to a 3,000 litre rainwater tank. Its NatHERS certificate lists insulation in the external walls, ceiling and floor.
Key features
- Windows
- 25 windows and glazed doors: Timber A SG Clear; Timber B SG Clear; 70mm System Opening Inward Awning DG 007_AGG CLASSIC Clr lam 638_18_4 and 2 more types
- Wall insulation
- R2.5
- Roof and ceiling insulation
- Ceiling R4.0, R7.3, R1.3, R6.0, R2.5, roof Framed:Flat - Flat Framed (Metal Deck) 0.0, medium colour
- Hot water
- Electric heat pump with a performance of 31 to 35 STCs or better
- Air conditioning and heating
- 1-phase airconditioning, ducted (living area and bedroom)
BASIX certificate
- Energy score
- 70 (target 70)
- Water score
- 40 (target 40)
- Thermal performance
- Pass
- Materials score
- -100
- Heating load
- 26 MJ/m² a year
- Cooling load
- 22 MJ/m² a year
- Bedrooms
- 5
- Conditioned floor area
- 380.6 m²
- Unconditioned floor area
- 5.6 m²
- Site area
- 11,420 m²
- Roof area
- 341 m²
- Garden area
- 325 m²
- Climate zone
- NatHERS climate zone 15
- Hot water
- Electric heat pump with a performance of 31 to 35 STCs or better
- Rainwater tank
- 3,000 litres
- Fixtures
- Showerheads 3 star, toilets 4 star, kitchen taps 4 star, basin taps 4 star
- LED lighting
- Yes
- Clothes line
- Yes
- Maximum glazing
- aluminium frames 92.7 m², timber frames 3 m², single glazing 3 m², double glazing 92.7 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, waffle pod slab (no added insulation)
- Floor: suspended floor above open subfloor, particle board; frame: timber - H2 treated softwood (fibreglass batts or roll)
- Floor: above habitable rooms or mezzanine, particle board; frame: timber - H2 treated softwood (fibreglass batts or roll)
- Floor: suspended floor above garage, particle board; frame: timber - H2 treated softwood (fibreglass batts or roll)
- Garage floor: concrete slab on ground, waffle pod slab (no added insulation)
- External wall: brick veneer; frame: timber - H2 treated softwood (fibreglass batts or roll)
- External wall: framed (solid or reconstituted timber weatherboard); frame: timber - H2 treated softwood (fibreglass batts or roll)
- External wall: external insulated façade system (EIFS); frame: timber - H2 treated softwood (fibreglass batts or roll)
- 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)
Certificate 1784872S_02, issued 1 October 2025, from the council's DA documents.
NatHERS certificate
- Star rating
- 7.2 stars
- Rated with
- FirstRate5: 5.5.5a (3.22)
- Rated on
- 12 Dec 2025
- Wall insulation
- R2.5
- Ceiling insulation
- R4.0, R7.3, R1.3, R6.0, R2.5
- Floor insulation
- R2.5, R2.0, R4.0
- Living room glazing by direction
- N 1.8 m², E 26.2 m², S 5.8 m², W 1.1 m²
- All glazing by direction
- N 11.6 m², E 46.9 m², S 10.6 m², W 26.7 m²
Roof
- Framed:Flat - Flat Framed (Metal Deck) 0.0, medium colour
- Cont:Attic-Continuous 1.3, medium colour
Window types
- TIM-001-01 W Timber A SG Clear: U-value 5.4, SHGC 0.56
- TIM-002-01 W Timber B SG Clear: U-value 5.4, SHGC 0.63
- PRO-004-52 W 70mm System Opening Inward Awning DG 007_AGG CLASSIC Clr lam 638_18_4: U-value 2.28, SHGC 0.36
- ROP-004-06 W uPVC Fixed Wind Warm Edge Spacer DG DG DG DG 876ClrLam_16Ar_6mmLowE TPS Spacer: U-value 1.59, SHGC 0.47
- BRD-101-04 A Signature Sliding Door 100TB DG 6mmSn/12Ar/6mmClr: U-value 2.53, SHGC 0.4
Window schedule
- Sitting, window PRO-004-52 W: 2,100 × 2,400 mm facing W
- Laundry, window TIM-001-01 W: 2,400 × 820 mm facing N
- B'Pantry, window ROP-004-06 W: 740 × 2,100 mm facing N
- Kitchen/Dining/-Entry, window TIM-002-01 W: 2,455 × 430 mm facing W
- Kitchen/Dining/-Entry, window BRD-101-04 A: 2,400 × 2,400 mm facing S
- Kitchen/Dining/-Entry, window BRD-101-04 A: 2,400 × 4,300 mm facing E
- Kitchen/Dining/-Entry, window BRD-101-04 A: 2,400 × 3,000 mm facing E
- Kitchen/Dining/-Entry, window ROP-004-06 W: 1,500 × 1,200 mm facing N
- Family, window BRD-101-04 A: 2,400 × 3,600 mm facing E
- WIR 5, window PRO-004-52 W: 2,100 × 600 mm facing S
- Bedroom 5, window PRO-004-52 W: 2,100 × 2,400 mm facing W
- Bedroom 1, window BRD-101-04 A: 2,400 × 2,100 mm facing N
- Bedroom 1, window PRO-004-52 W: 1,800 × 3,010 mm facing E
- Bedroom 2, window PRO-004-52 W: 1,800 × 2,400 mm facing W
- Bedroom 3, window PRO-004-52 W: 1,800 × 2,400 mm facing W
- Bedroom 4, window PRO-004-52 W: 1,800 × 3,010 mm facing E
- Ensuite 4, window PRO-004-52 W: 1,000 × 600 mm facing N
- Ensuite 3, window PRO-004-52 W: 1,000 × 600 mm facing N
- WC 1, window PRO-004-52 W: 1,000 × 600 mm facing S
- Ensuite 2, window PRO-004-52 W: 1,400 × 600 mm facing S
- Ensuite 1, window ROP-004-06 W: 1,457 × 1,450 mm facing S
- Media, window PRO-004-52 W: 1,800 × 2,400 mm facing W
- Upper Floor Passage, window ROP-004-06 W: 2,057 × 2,410 mm facing E
- Upper Floor Passage, window ROP-004-06 W: 2,057 × 2,410 mm facing E
- Upper Floor Passage, window ROP-004-06 W: 1,800 × 1,450 mm facing W
Certificate GEXP2GYG7J-02, issued 12 December 2025, from the council's DA documents. Verify this certificate
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