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Home report
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28 Diffusa Road Caddens NSW 2747
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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 1,000 litre rainwater tank. Its NatHERS certificate lists insulation in the external walls, ceiling and floor. It beat its BASIX energy and water targets, scoring 71 against 70 for energy and 42 against 40 for water.
Key features
- Windows
- 17 windows and glazed doors: Aluminium A SG Clear; Aluminium B SG Clear; 502/504 Al Sliding Window DG 3/12Ar/3ET and 3 more types
- Wall insulation
- R2.5
- Roof and ceiling insulation
- Ceiling R2.5, R7.0, roof Cont:Attic-Continuous 1.8, medium colour
- Hot water
- Gas instantaneous with a performance of 6 stars
- Air conditioning and heating
- 1-phase airconditioning, non ducted (living area and bedroom)
Built by Inspections Plus.
BASIX certificate
- Energy score
- 71 (target 70)
- Water score
- 42 (target 40)
- Thermal performance
- Pass
- Materials score
- -31
- Heating load
- 28 MJ/m² a year
- Cooling load
- 29 MJ/m² a year
- Bedrooms
- 5
- Conditioned floor area
- 136 m²
- Unconditioned floor area
- 15.5 m²
- Site area
- 323 m²
- Roof area
- 150 m²
- Garden area
- 80 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 40 m², single glazing 20 m², double glazing 20 m²
Heating
- Living area: 1-phase airconditioning - non ducted; Energy rating: 2.5 star (average zone)
- Bedroom: 1-phase airconditioning - non ducted; Energy rating: 2.5 star (average zone)
Cooling
- Living area: 1-phase airconditioning - non ducted; Energy rating: 2.5 star (average zone)
- Bedroom: 1-phase airconditioning - non 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) (fibreglass batts or roll)
- Floor: suspended floor above garage, particle board; frame: laminated veneer lumber (LVL) (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+ 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 - H2 treated softwood (fibreglass batts or roll)
- Internal wall: plasterboard; frame: timber - H2 treated softwood (no added insulation)
- Ceiling and roof: flat ceiling / pitched roof, framed - metal roof, timber - untreated softwood (ceiling: fibreglass batts or roll; roof: foil backed blanket.)
Certificate 1811376S_02, issued 11 November 2025, from the council's DA documents.
NatHERS certificate
- Star rating
- 7.1 stars
- Rated with
- FirstRate5: 5.5.5a (3.22)
- Rated on
- 11 Nov 2025
- Wall insulation
- R2.5
- Ceiling insulation
- R2.5, R7.0
- Floor insulation
- R2.5
- Living room glazing by direction
- N 10.8 m², E 3.9 m²
- All glazing by direction
- N 16.9 m², E 8 m², S 9 m², W 3.5 m²
Roof
- Cont:Attic-Continuous 1.8, medium colour
Window types
- ALM-001-01 A Aluminium A SG Clear: U-value 6.7, SHGC 0.57
- ALM-002-01 A Aluminium B SG Clear: U-value 6.7, SHGC 0.7
- AWS-003-08 A 502/504 Al Sliding Window DG 3/12Ar/3ET: U-value 3.4, SHGC 0.56
- AWS-013-54 A 541/542 Al Sliding Door DG 008_AGG PLUS Clr 4_12_4: U-value 2.97, SHGC 0.5
- AWS-001-11 A 502/504 Al Sliding Window SG 6EVanClr: U-value 4.7, SHGC 0.54
- AWS-069-32 A RES SERIES 517 FIXED WINDOW DG 001_AGG PRIME Clr 4_12_4: U-value 2.75, SHGC 0.51
Window schedule
- Bed5, window ALM-001-01 A: 1,800 × 1,210 mm facing S
- Powder, window ALM-002-01 A: 600 × 1,210 mm facing E
- Laundry, window ALM-002-01 A: 600 × 850 mm facing N
- Kitchen/LIving/-Dining, window AWS-003-08 A: 1,800 × 2,170 mm facing E
- Kitchen/LIving/-Dining, window AWS-013-54 A: 2,400 × 2,860 mm facing N
- Kitchen/LIving/-Dining, window AWS-013-54 A: 1,800 × 2,170 mm facing N
- Bed3, window ALM-002-01 A: 1,030 × 1,810 mm facing N
- Child's Retreat, window AWS-001-11 A: 1,030 × 1,810 mm facing N
- Bed4, window ALM-002-01 A: 1,030 × 1,810 mm facing N
- bath, window ALM-002-01 A: 1,030 × 1,570 mm facing W
- Bed2, window ALM-002-01 A: 1,030 × 1,810 mm facing W
- WIR MasterBed, window ALM-001-01 A: 600 × 1,810 mm facing S
- WIR MasterBed, window ALM-001-01 A: 600 × 1,810 mm facing S
- WIR MasterBed, window ALM-001-01 A: 600 × 1,810 mm facing S
- MasterBed, window ALM-001-01 A: 1,800 × 1,950 mm facing S
- ENS MasterBed, window ALM-002-01 A: 600 × 1,210 mm facing E
- Upstairs Hallway, window AWS-069-32 A: 1,800 × 1,450 mm facing E
Certificate R34Y1OH6NA-02, issued 11 November 2025, from the council's DA documents. Verify this certificate
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