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7 Traminer Grove Orchard Hills NSW 2748

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BASIX certificate and NatHERS rating

This home has a NatHERS rating of 7.1 stars out of 10. Its BASIX certificate commits it to a 20,000 litre rainwater tank. Its NatHERS certificate lists insulation in the external walls, ceiling and floor.

Key features

Windows
55 windows and glazed doors
Wall insulation
R2.5
Roof and ceiling insulation
Ceiling R6, R4, roof Roof Tiles Timber Frame Foil, No Gap, Reflective Side Down, Anti-glare Up, medium colour
Hot water
Electric heat pump with a performance of 41 to 45 STCs or better
Air conditioning and heating
3-phase airconditioning (living area and bedroom); Wood heater (living area)

Built by G & D Jol Building Services.

BASIX certificate

Energy score
70 (target 70)
Water score
40 (target 40)
Thermal performance
Pass
Materials score
-100
Heating load
40 MJ/m² a year
Cooling load
18 MJ/m² a year
Bedrooms
6
Conditioned floor area
588.8 m²
Unconditioned floor area
26.6 m²
Site area
4,931 m²
Roof area
514 m²
Garden area
1,899 m²
Climate zone
NatHERS climate zone 28
Hot water
Electric heat pump with a performance of 41 to 45 STCs or better
Rainwater tank
20,000 litres
Fixtures
Showerheads 4 star, toilets 4 star, kitchen taps 5 star, basin taps 5 star
LED lighting
Yes
Cooktop
Induction
Clothes line
Yes
Maximum glazing
aluminium frames 76.6 m², timber frames 54.2 m², double glazing 130.8 m²

Heating

  • Living area: wood heater; Energy rating: n/a
  • Bedroom: 3-phase airconditioning; Energy rating: EER 3.5 - 4.0

Cooling

  • Living area: 3-phase airconditioning; Energy rating: EER 3.5 - 4.0
  • Bedroom: 3-phase airconditioning; Energy rating: EER 3.5 - 4.0

Construction and insulation

  • Floor: concrete slab on ground, waffle pod slab (no added insulation)
  • Floor: suspended floor above open subfloor, hard wood; frame: timber - H2 treated softwood (fibreglass batts or roll)
  • Floor: above habitable rooms or mezzanine, AAC panel (75 mm); frame: timber - H2 treated softwood (no added insulation)
  • 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+ foil/sarking)
  • External wall: AAC veneer; frame: timber - H2 treated softwood (fibreglass batts or roll+ foil/sarking)
  • External garage wall: brick veneer; frame: timber - H2 treated softwood (fibreglass batts or roll+ foil/sarking)
  • 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 - terracotta tiles , timber - H2 treated softwood (ceiling: fibreglass batts or roll; roof: foil/sarking.)

Certificate 1815421S_02, issued 13 October 2025, from the council's DA documents.

NatHERS certificate

Star rating
7.1 stars
Rated with
BERS Pro v5.2.6 (3.23)
Rated on
01 Oct 2025
Wall insulation
R2.5
Ceiling insulation
R6, R4
Floor insulation
R2.5
LED downlights
88
Living room glazing by direction
SE 15.3 m², NW 16.8 m²
All glazing by direction
NE 29.5 m², SE 41 m², SW 20.6 m², NW 39.8 m²

Roof

  • Roof Tiles Timber Frame Foil, No Gap, Reflective Side Down, Anti-glare Up, medium colour

Window schedule

  • Kitch/Meal/Fam HTCWD-020-037-001 D06: 2,570 × 1,500 mm facing NE
  • Kitch/Meal/Fam HTCWD-020-037-001 D07: 2,570 × 1,500 mm facing NE
  • Kitch/Meal/Fam HTCWD-020-037-001 D08: 2,570 × 1,500 mm facing NE
  • Kitch/Meal/Fam HTCWD-020-037-001 D09: 2,570 × 1,500 mm facing NE
  • Kitch/Meal/Fam HTCWD-020-037-001 D10: 2,570 × 1,500 mm facing NE
  • Kitch/Meal/Fam HTCWD-020-037-001 D11: 2,570 × 1,500 mm facing SE
  • Kitch/Meal/Fam HTCWD-020-037-001 D12: 2,570 × 1,500 mm facing SE
  • Kitch/Meal/Fam HTCWD-020-037-001 D15: 2,570 × 1,500 mm facing SW
  • Kitch/Meal/Fam HTCWD-020-037-001 D16: 2,570 × 1,500 mm facing SW
  • Kitch/Meal/Fam HTCWD-020-037-001 D17: 2,570 × 1,500 mm facing SW
  • Butlers HBCWD-025-033-001 W21: 1,360 × 3,600 mm facing SW
  • Mud Hall HACWD-035-045-001 D18: 2,450 × 870 mm facing SE
  • Study HACWD-035-045-001 W05: 1,950 × 970 mm facing NW
  • Study HACWD-035-045-001 W06: 1,950 × 970 mm facing NW
  • Laundry HACWD-035-045-001 W03: 1,950 × 970 mm facing NW
  • Laundry HACWD-035-045-001 W04: 1,950 × 970 mm facing NW
  • Garage 1 HACWD-035-045-001 W01: 1,950 × 970 mm facing NW
  • Garage 1 HACWD-035-045-001 W02: 1,950 × 970 mm facing NW
  • Garage 2 HAAWD-030-050-001 W22: 600 × 600 mm facing SE
  • Garage 2 HAAWD-030-050-001 W23: 600 × 600 mm facing SE
  • Garage 2 HAAWD-030-050-001 W32: 600 × 600 mm facing SE
  • Lounge HACWD-035-045-001 W07: 1,950 × 970 mm facing NW
  • Lounge HACWD-035-045-001 W08: 1,950 × 970 mm facing NW
  • Dining HACWD-035-045-001 W09: 1,950 × 970 mm facing NW
  • Dining HACWD-035-045-001 W10: 1,950 × 970 mm facing NW
  • Coffee Hall HACWD-035-045-001 W15: 1,950 × 970 mm facing SE
  • Dining Hall HACWD-035-045-001 D05: 2,570 × 1,600 mm facing SE
  • Dining Hall HADWD-035-045-001 D05sla: 2,570 × 800 mm facing SE
  • Dining Hall HADWD-035-045-001 D05slb: 2,570 × 800 mm facing SE
  • Guest Retreat HACWD-035-045-001 W14: 1,970 × 600 mm facing NE
  • Guest Retreat HACWD-035-045-001 W14a: 1,970 × 600 mm facing NE
  • Guest Retreat HTCWD-020-037-001 D03: 2,570 × 1,500 mm facing SE
  • Guest Retreat HTCWD-020-037-001 D04: 2,570 × 1,500 mm facing SE
  • Guest Bed HACWD-035-045-001 W11: 1,950 × 970 mm facing NW
  • Guest Bed HACWD-035-045-001 W12: 1,950 × 970 mm facing NW
  • Guest Bed HACWD-035-045-001 W13: 1,970 × 600 mm facing NE
  • Guest Bed HACWD-035-045-001 W13a: 1,970 × 600 mm facing NE
  • Rumpus Hall HACWD-035-045-001 D14: 2,570 × 870 mm facing NW
  • Rumpus HBAWD-025-045-001 W17: 1,950 × 1,800 mm facing SE
  • Rumpus HBAWD-025-045-001 W18: 1,950 × 1,800 mm facing SE
  • Rumpus HBAWD-025-045-001 W19: 1,950 × 1,800 mm facing NW
  • Rumpus HBAWD-025-045-001 W20: 1,950 × 1,800 mm facing NW
  • WC HAHDD-035-045-001 D13: 2,570 × 870 mm facing NE
  • WC HAAWD-030-050-001 W16: 1,500 × 720 mm facing SE
  • Void Entry HTCWD-030-050-001 W27: 1,630 × 970 mm facing NW
  • Bedroom 1 HACWD-035-045-001 W31: 1,360 × 2,400 mm facing NE
  • Bed 1 Foyer HAAWD-030-050-001 W34: 1,360 × 600 mm facing SW
  • Bed 1 WIR HAAWD-030-050-001 W35: 1,360 × 600 mm facing SW
  • Bed 1 Ens HAAWD-030-050-001 W32: 1,360 × 600 mm facing SE
  • Bed 1 Ens HAAWD-030-050-001 W33: 1,360 × 1,800 mm facing SW
  • Bedroom 2 HTCWD-030-050-001 W25: 1,630 × 970 mm facing NW
  • Bedroom 2 HTCWD-030-050-001 W26: 1,630 × 970 mm facing NW
  • Bedroom 3 HTCWD-030-050-001 W28: 1,630 × 970 mm facing NW
  • Bedroom 3 HTCWD-030-050-001 W29: 1,630 × 970 mm facing NW
  • Bedroom 4 HACWD-035-045-001 W30: 1,360 × 2,400 mm facing SE

Certificate 0012259602, issued 1 October 2025, from the council's DA documents.

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