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25 Naevosa Road Caddens NSW 2747

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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 1,000 litre rainwater tank. Its NatHERS certificate lists insulation in the external walls, ceiling and floor. It beat its BASIX water target, scoring 42 against 40.

Key features

Windows
16 windows and glazed doors: Aluminium B SG Clear; Aluminium A SG Clear; 541/542 Al Sliding Door SG 6ETClr and 2 more types
Wall insulation
R2.5
Roof and ceiling insulation
Ceiling R5.0, roof Cont:Attic-Continuous 1.3, medium colour
Hot water
Gas instantaneous with a performance of 6 stars
Air conditioning and heating
1-phase airconditioning, ducted (living area and bedroom)

Built by Inspections Plus.

BASIX certificate

Energy score
70 (target 70)
Water score
42 (target 40)
Thermal performance
Pass
Materials score
-20
Heating load
33 MJ/m² a year
Cooling load
27 MJ/m² a year
Bedrooms
5
Conditioned floor area
166.7 m²
Unconditioned floor area
15.2 m²
Site area
260 m²
Roof area
150 m²
Garden area
70 m²
Climate zone
NatHERS climate zone 28
Hot water
Gas instantaneous with a performance of 6 stars
Rainwater tank
1,000 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 35.6 m², single glazing 35.6 m²

Heating

  • Living area: 1-phase airconditioning - ducted; Energy rating: 2.5 star (average zone)
  • Bedroom: 1-phase airconditioning - ducted; Energy rating: 2.5 star (average zone)

Cooling

  • Living area: 1-phase airconditioning - ducted; Energy rating: 2.5 star (average zone)
  • Bedroom: 1-phase airconditioning - ducted; Energy rating: 2.5 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: laminated veneer lumber (LVL) (no added insulation)
  • Floor: suspended floor above garage, particle board; frame: laminated veneer lumber (LVL) (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: framed (fibre cement sheet or boards); 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 - untreated softwood (no added insulation)
  • Ceiling and roof: flat ceiling / pitched roof, framed - metal roof, timber - H2 treated softwood (ceiling: fibreglass batts or roll; roof: foil backed blanket.)

Certificate 1806733S_02, issued 23 October 2025, from the council's DA documents.

NatHERS certificate

Star rating
7 stars
Rated with
FirstRate5: 5.5.5a (3.22)
Rated on
23 Oct 2025
Wall insulation
R2.5
Ceiling insulation
R5.0
Floor insulation
R2.5, R2.0
Living room glazing by direction
N 9 m², W 1.1 m²
All glazing by direction
N 12.1 m², E 6.2 m², S 11 m², W 2.9 m²

Roof

  • Cont:Attic-Continuous 1.3, medium colour

Window types

  • ALM-002-01 A Aluminium B SG Clear: U-value 6.7, SHGC 0.7
  • ALM-001-01 A Aluminium A SG Clear: U-value 6.7, SHGC 0.57
  • AWS-011-26 A 541/542 Al Sliding Door SG 6ETClr: U-value 4.37, SHGC 0.6
  • AWS-001-11 A 502/504 Al Sliding Window SG 6EVanClr: U-value 4.7, SHGC 0.54
  • AWS-068-08 A RES SERIES 517 FIXED WINDOW SG 5mmEnTech: U-value 4.47, SHGC 0.64

Window schedule

  • Study/Bed, window ALM-002-01 A: 2,400 × 2,410 mm facing S
  • Bed5, window ALM-002-01 A: 1,030 × 1,570 mm facing E
  • Apparently an ENS, window ALM-002-01 A: 600 × 1,210 mm facing E
  • Kitchen/Living/-Dining, window AWS-011-26 A: 2,400 × 2,110 mm facing N
  • Kitchen/Living/-Dining, window AWS-001-11 A: 1,800 × 2,170 mm facing N
  • Kitchen/Living/-Dining, window AWS-068-08 A: 600 × 1,810 mm facing W
  • Bed3, window ALM-002-01 A: 1,030 × 1,500 mm facing N
  • Bed4, window ALM-002-01 A: 1,030 × 1,500 mm facing N
  • Bath, window ALM-002-01 A: 1,200 × 610 mm facing W
  • Media, window ALM-002-01 A: 600 × 1,810 mm facing W
  • ENS MasterBed, window ALM-001-01 A: 1,800 × 850 mm facing S
  • MasterBed, window ALM-001-01 A: 1,800 × 850 mm facing S
  • MasterBed, window ALM-002-01 A: 600 × 1,810 mm facing S
  • MasterBed, window ALM-002-01 A: 600 × 1,810 mm facing S
  • Bed2, window ALM-002-01 A: 1,030 × 1,500 mm facing E
  • Upstairs Hallway, window ALM-002-01 A: 1,460 × 1,570 mm facing E

Certificate K7ESV6T9DL-01, issued 23 October 2025, from the council's DA documents. Verify this certificate

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