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.
Shower Floor
- Hobless & Step-free entry
- ≤ 5mm lip height for water retention
≥ 900
≥ 450
≥ 1m
Internal Corridor
≥ 820
Clear Opening
150
150
Nogging Zone
Internal Doors
- 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
Sanitary Compartment
- ≥ 1 WC located on Ground Level
- Clearances required
≥ 1.2m
800
to
810
≥ 450
Unobstructed Area
300
250
Slip Rating
Slip RATING
NCC 2022 V1
All Building Classes
NCC 2022 D1P2
May 2023
600
800
to
810
600
300
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
NCC 2022 HP, 10.4.2
≥ 1.2mNCC 2022 HP, 10.4.2
Shower & Bath Reinforcement
- Reinforced wall for future grabrails
- ≥ 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
- Reinforced wall for future grabrails
- ≥ 12mm thk structural grade plywood, or
- ≥ 25mm thk timber noggings
- NASH Standard light gauge steel framing noggings
WC Wall Reinforcement
- Reinforced wall for future grabrails
- ≥ 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 V1
Class 1a & 2
NCC 2022 G7D2, H8D2
May 2023
- Reinforced wall for future grabrails
- ≥ 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
Door swing Clearance
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