Bathroom & Sanitary Compartment (Livable Housing Design) Building Codes & Rules
- Optimise Bathroom & Sanitary Design for Livable Housing with Tools™. Clear rules, accessible spaces, and NCC guidance for efficiency.
Internal Corridor
Clear Opening
ABCB Livable Housing Design 2022 , 3.1
Internal DoorsABCB Livable Housing Design 2022 , 3.1
- Doorways connecting to
- Ground Floor Habitable Room
- Ground Floor Sanitary Compartment
- Room with shower
- Class 10a garage
- ≥ 820mm clear opening
- 870mm door leaf will achieve compliance
ABCB Livable Housing Design 2022 , 4.1
Sanitary CompartmentABCB Livable Housing Design 2022 , 4.1
- ≥ 1 WC located on Ground Level
- Clearances required
ABCB Livable Housing Design 2022 , 6.2c
Nogging Zone
ABCB Livable Housing Design 2022 , 6.2c
NCC 2022 HP, 10.4.2
≥ 1.2mNCC 2022 HP, 10.4.2
Door swing clearance
Unobstructed Area
ABCB Livable Housing Design 2022 , 6.2c
ABCB Livable Housing Design 2022 , 4.2
NCC 2022 HP, 10.4.2
Door Clearance to a WCNCC 2022 HP, 10.4.2
- Required access in case of an unconscious occupant
- ≥ 1.2m clearance required unless Door
- swings outwards, or
- is Sliding, or
- has lift-off Hinges
ABCB Livable Housing Design 2022 , 4.2
ABCB Livable Housing Design 2022 , 4.2
ABCB Livable Housing Design 2022 , 4.2
ABCB Livable Housing Design 2022 , 6.2c
Circulation Space
Slip Rating
Slip RATING
NCC 2022 V1
All Building Classes
NCC 2022 D1P2
May 2023
ABCB Livable Housing Design 2022 , 6.2c
ABCB Livable Housing Design 2022 , 6.2c
ABCB Livable Housing Design 2022 , 6.2c
ABCB Livable Housing Design 2022 , 6.2c
ABCB Livable Housing Design 2022 , 6.2c
ABCB Livable Housing Design 2022 , 2.1
ABCB Livable Housing Design 2022 , 3.3
ABCB Livable Housing Design 2022 , 5.2
Shower FloorABCB Livable Housing Design 2022 , 5.2
- Hobless & Step-free entry
- ≤ 5mm lip height for water retention
Designer & Construction Set Out
WC Wall Reinforcement
- Reinforced wall for future grabrails[1]
- ≥ 12mm thk structural grade plywood, or
- ≥ 25mm thk timber noggings, or
- NASH Standard steel noggings or plate
- Not required for Masonry or other wall type capable of supporting a Grabrail
Toilet Pan REINFORCEMENT
NCC 2022 V2
Class 1a & 2
NCC 2022 G7D2, H8D2
May 2023
ABCB Livable Housing Design 2022 , 6.2 (1) (c)
- Side Wall Sheet Reinforcement required if WallABCB Livable Housing Design 2022 , 6.2 (1) (c)
- ≤ 460mm from Pan centerline, &
- Sheeting space available (no door or other openings)
- Rear Wall Reinforcement only required if the above cannot be achieved
ABCB Livable Housing Design 2022 (4.2)
- Reinforced wall for future grabrailsABCB Livable Housing Design 2022 (4.2)
- ≥ 12mm thk structural grade plywood, or
- ≥ 25mm thk timber noggings, or
- NASH Standard steel noggings or plate
- Not required for Masonry or other wall type capable of supporting a Grabrail
Shower & Bath Reinforcement
- Reinforced wall for future grabrails[1]
- ≥ 12mm thk structural grade plywood, or
- ≥ 25mm thk timber noggings
- NASH Standard light gauge steel framing noggings
Bath Wall REINFORCEMENT
NCC 2022 V1
Class 1a & 2
NCC 2022 G7D2, H8D2
May 2023
Shower Wall Sheet REINFORCEMENT
NCC 2022 V1
Class 1a & 2
NCC 2022 G7D2, H8D2
May 2023
ABCB Livable Housing Design 2022 , 6.2
- Reinforced wall for future grabrailsABCB Livable Housing Design 2022 , 6.2
- ≥ 12mm thk structural grade plywood, or
- ≥ 25mm thk timber noggings
- NASH Standard light gauge steel framing noggings
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