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23 Fountains Road Narara NSW 2250

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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 a 3,000 litre rainwater tank. It beat its BASIX energy and water targets, scoring 71 against 70 for energy and 41 against 40 for water.

Key features

Windows
27 windows and glazed doors: Timber A SG Clear; HORIZON Entry Frame/Door - Single Glazed; Horizon Awning Window and 3 more types
Wall insulation
All external walls none
Roof and ceiling insulation
Roof Added insulation absorptance Roof Colour Roof type Added insulation absorptance Roof Colour ATTIC-CONCTILE-01: Pitched / Attic Conc Tiled Roof (Roofspace) & Flat PB Ceiling 0.00, medium colour
Hot water
Gas instantaneous with a performance of 6 stars
Air conditioning and heating
1-phase airconditioning, ducted (living area and bedroom)

BASIX certificate

Energy score
71 (target 70)
Water score
41 (target 40)
Thermal performance
Pass
Materials score
-38
Heating load
26 MJ/m² a year
Cooling load
25 MJ/m² a year
Bedrooms
5
Conditioned floor area
271.3 m²
Unconditioned floor area
17.9 m²
Site area
613 m²
Roof area
267 m²
Garden area
327 m²
Climate zone
NatHERS climate zone 15
Hot water
Gas instantaneous with a performance of 6 stars
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 62.8 m², single glazing 56 m², double glazing 6.8 m²

Heating

  • Living area: 1-phase airconditioning - ducted; Energy rating: 3.5 star (average zone)
  • Bedroom: 1-phase airconditioning - ducted; Energy rating: 3.5 star (average zone)

Cooling

  • Living area: 1-phase airconditioning - ducted; Energy rating: 3 star (average zone)
  • Bedroom: 1-phase airconditioning - ducted; Energy rating: 3 star (average zone)

Construction and insulation

  • Floor: concrete slab on ground, waffle pod slab (no added insulation)
  • Floor: above habitable rooms or mezzanine, particle board; frame: light steel frame (fibreglass batts or roll)
  • Floor: suspended floor above garage, particle board; frame: light steel frame (fibreglass batts or roll)
  • Garage floor: concrete slab on ground, waffle pod slab (no added insulation)
  • External wall: cavity brick; frame: no frame. all external walls none
  • External garage wall: brick veneer; frame: light steel frame (fibreglass batts or roll)
  • External garage wall: brick veneer; frame: light steel frame (no added insulation)
  • Internal wall: plasterboard; frame: light steel frame (fibreglass batts or roll)
  • Ceiling and roof: flat ceiling / pitched roof, framed - concrete tiles , timber - H2 treated softwood (ceiling: fibreglass batts or roll; roof: foil/sarking.)

Certificate 1841769S, issued 13 April 2026, from the council's DA documents.

NatHERS certificate

Star rating
7 stars
Rated with
Hero 4.1
Rated on
13 Apr 2026
Living room glazing by direction
N 1.9 m², S 10.9 m², W 14.5 m²
All glazing by direction
N 11.6 m², E 13.8 m², S 22.2 m², W 15.3 m²

Roof

  • Added insulation absorptance Roof Colour Roof type Added insulation absorptance Roof Colour ATTIC-CONCTILE-01: Pitched / Attic Conc Tiled Roof (Roofspace) & Flat PB Ceiling 0.00, medium colour

Window types

  • TIM-001-01 W Timber A SG Clear: U-value 5.4, SHGC 0.56
  • WID-004-013 HORIZON Entry Frame/Door - Single Glazed: U-value 4.6, SHGC 0.5
  • WID-101-019 Horizon Awning Window: U-value 4.9, SHGC 0.55
  • WID-101-031 Horizon Awning Window: U-value 6.2, SHGC 0.54
  • WID-102-005 Horizon Sliding Window: U-value 4.5, SHGC 0.63
  • WID-102-017 Horizon Sliding Window: U-value 6.2, SHGC 0.61
  • WID-102-021 Horizon Sliding Window: U-value 3.3, SHGC 0.51
  • WID-105-006 Horizon Stacking Door: U-value 4.4, SHGC 0.59
  • WID-106-003 Horizon Fixed Window: U-value 3.9, SHGC 0.66

Window schedule

  • Bath, window WID-102-017: 1,200 × 1,800 mm facing S
  • Bed 1, window WID-004-013: 2,100 × 820 mm facing E
  • Bed 1, window WID-101-019: 1,300 × 2,600 mm facing E
  • Bed 2, window WID-102-005: 1,200 × 1,800 mm facing S
  • Bed 3, window WID-102-005: 1,200 × 1,800 mm facing N
  • Bed 4, window WID-102-005: 1,200 × 1,800 mm facing N
  • Ensuite (Bed 1), window WID-102-017: 1,200 × 600 mm facing N
  • Ensuite (Bed 1), window WID-102-017: 1,200 × 800 mm facing N
  • Ensuite (Bed 2+3), window WID-102-017: 1,000 × 800 mm facing W
  • Guest Room, window WID-101-019: 2,000 × 800 mm facing E
  • Guest Room, window WID-101-019: 2,000 × 800 mm facing E
  • Home Theatre, window WID-102-005: 1,200 × 2,600 mm facing S
  • Kitchen/Family/Dining /Rumpus, window WID-102-021: 2,000 × 800 mm facing W
  • /Rumpus, window WID-105-006: 2,400 × 3,200 mm facing W
  • /Rumpus, window WID-105-006: 2,400 × 3,200 mm facing S
  • Kitchen/Family/Dining /Rumpus, window WID-102-021: 2,000 × 2,600 mm facing W
  • Kitchen/Family/Dining /Rumpus, window WID-106-003: 715 × 2,650 mm facing N
  • Kitchen/Family/Dining /Rumpus, window WID-102-005: 2,000 × 800 mm facing S
  • Kitchen/Family/Dining /Rumpus, window WID-102-005: 2,000 × 800 mm facing S
  • L'dry, window TIM-001-01 W: 2,400 × 820 mm facing N
  • Leisure/IT/Hall, window WID-102-005: 600 × 2,600 mm facing S
  • Leisure/IT/Hall, window WID-101-019: 2,100 × 890 mm facing E
  • Leisure/IT/Hall, window WID-101-019: 2,100 × 890 mm facing E
  • Leisure/IT/Hall, window WID-004-013: 2,100 × 820 mm facing E
  • P'dr, window WID-102-017: 2,000 × 800 mm facing S
  • WC, window WID-101-031: 1,000 × 700 mm facing S
  • WIP/B'Pty, window WID-106-003: 715 × 2,410 mm facing N

Certificate HR-S72EMT-03, issued 13 April 2026, from the council's DA documents. Verify this certificate

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