Insights/Planning Standards

NSW Housing SEPP development standards

Numeric requirements from SEPP (Housing) 2021 and the Apartment Design Guide. 45 standards across 8 development types, plus 23 ADG design criteria. All values sourced from legislative instruments with clause references.

SEPP standards

45

Development types

8

ADG criteria

23

ADG sections

13

SEPP (Housing) 2021 — standards by development type

Dual Occupancy (Duplex)

Applicable zones: R1, R2, R3, R4

StandardValue
Max fsr0.65 :1
Max height9.5 m
Min lot size450 m²
Min lot width12 m
Min subdivision lot225 m²
Min subdivision width6 m
Parking per dwelling1 space

Independent Living Units

Applicable zones: R1, R2, R3, R4

StandardValue
Max fsr0.5 :1
Max height9.5 m
Min deep soil percent15%
Min landscaped area percent30%

Multi-Dwelling Housing (Townhouses)

Applicable zones: R1, R2, R3, R4 (LMR reform area required)

StandardValue
Max fsr0.7 :1
Max height9.5 m
Min lot size600 m²
Min lot width12 m
Parking per dwelling1 space

Low-Rise Apartments (R1/R2)

Applicable zones: R1, R2 (LMR reform area required)

StandardValue
Max fsr0.8 :1
Max height9.5 m
Min lot size500 m²
Min lot width12 m
Parking per dwelling0.5 spaces

Mid-Rise Apartments (within 400m of station)

Applicable zones: R3, R4 (LMR reform area required)

StandardValue
Max fsr2.2 :1
Max height22 m
Max storeys6 storeys

Mid-Rise Apartments (400–800m from station)

Applicable zones: R3, R4 (LMR reform area required)

StandardValue
Max fsr1.5 :1
Max height17.5 m
Max storeys4 storeys

Secondary Dwelling (Granny Flat)

Applicable zones: R1, R2, R3, R4

StandardValue
Max floor area60 m²
Max site coverage lot 900 – 150040%
Max site coverage lot > 150030%
Max site coverage lot < 90050%
Max total floor area lot 600 – 900380 m²
Max total floor area lot > 900430 m²
Max total floor area lot < 600330 m²
Min lot size450 m²
Min lot width12 m
Min private open space24 m²
Parking per dwelling0 spaces
Setback height threshold3.8 m

Terrace Housing

Applicable zones: R1, R2, R3, R4 (LMR reform area required)

StandardValue
Max fsr0.7 :1
Max height9.5 m
Min lot size500 m²
Min lot width18 m
Min subdivision lot165 m²
Parking per dwelling0.5 spaces

Apartment Design Guide — design criteria

Numeric design criteria from the NSW Apartment Design Guide (March 2023), which applies to residential flat buildings, shop top housing, and mixed-use development under SEPP (Housing) 2021.

3D — Communal and Public Open Space

CriteriaRequirement
3D-1Communal open space: min 25% of site area
3D-2Communal open space: min 6m dimension

3E — Deep Soil Zones

CriteriaRequirement
3E-1Deep soil: min 7% of site area
3E-2Deep soil: min 6m dimension

3F — Visual Privacy

CriteriaRequirement
3F-1Building separation: 6-12m based on height

4A — Solar and Daylight Access

CriteriaRequirement
4A-170% of apartments: min 2hrs sun midwinter
4A-270% of apartments: min 3hrs sun midwinter (regional)
4A-3Max 15% of apartments with no sun

4B — Natural Ventilation

CriteriaRequirement
4B-160% of apartments cross-ventilated (first 9 storeys)
4B-2Cross-through apartment max depth: 18m

4C — Ceiling Heights

CriteriaRequirement
4C-1Ceiling height: 2.7m habitable, 2.4m non-habitable

4D — Apartment Size and Layout

CriteriaRequirement
4D-1Min areas: Studio 35m², 1BR 50m², 2BR 70m², 3BR 90m²
4D-2Room depth: max 2.5x ceiling height, open plan max 8m
4D-3Bedrooms: master 10m², others 9m², min 3m dimension
4D-4Living room width: Studio/1BR 3.6m, 2BR+ 4m

4E — Private Open Space and Balconies

CriteriaRequirement
4E-1Balconies: Studio 4m², 1BR 8m²@2m, 2BR 10m²@2m, 3BR+ 12m²@2.4m
4E-2Ground floor private open space: min 15m² @ 3m depth

4F — Common Circulation and Spaces

CriteriaRequirement
4F-1Max 8 apartments per circulation core per level
4F-2Max 40 apartments per lift (10+ storeys)

4G — Storage

CriteriaRequirement
4G-1Storage: Studio 4m³, 1BR 6m³, 2BR 8m³, 3BR+ 10m³

4J — Noise and Pollution

CriteriaRequirement
4J-1Mechanical ventilation if noise >60dB(A)

4K — Apartment Mix

CriteriaRequirement
4K-1Provide range of apartment types and sizes

4U — Energy Efficiency

CriteriaRequirement
4U-1Max cooling load: 35MJ/m² single storey, 45MJ/m² multi

Standards sourced from SEPP (Housing) 2021 and the NSW Apartment Design Guide (March 2023). Clause references link to the NSW Legislation website. These are state-level standards — individual councils may have additional DCP controls. Values are extracted from legislative instruments and cross-referenced against the NSW Planning Portal. Last checked: 2026-05-31.

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This content is general information about NSW planning and property matters. It is not planning advice, legal advice, financial advice, or insurance advice, and should not be relied upon as a substitute for professional assessment. Planning controls and regulatory instruments change — verify current provisions at planning.nsw.gov.au and legislation.nsw.gov.au.