Can I build a granny flat in Bayside?
Instant SEPP Housing 2021 eligibility check for any Bayside address — lot area, zoning, heritage exclusions (424 items in Bayside), biodiversity values, and acid sulfate soils. Free. Also check solar yield and shadow impact for any Bayside address.
Min. lot area
450 m²
SEPP Housing 2021
Heritage items
424
in Bayside
Flood data
EPI overlay
checked per address
What we check
Lot area
Min. 450 m² under SEPP Housing 2021
Zoning
R1, R2, R3, R4, R5/RU5 under SEPP Housing 2021 cl 49
Heritage exclusion
Heritage items and conservation areas
Flood control lots
Statutory flood overlay check
Biodiversity
Biodiversity values map exclusions
Acid sulfate soils
Class 1 & 2 soil exclusions
Dual occupancy prohibition
LEP prohibition map check
Granny flats in Bayside — common questions
Can I build a granny flat in Bayside?
Many Bayside properties qualify. Suburbs like Bexley, Arncliffe, Rockdale, and Mascot have R2 lots over 450 m² that are good candidates. Heritage exclusions exist in some precincts. Check your address above.
What lot size is needed for a granny flat in Bayside?
The minimum is 450 m² under SEPP Housing 2021. Post-war suburban lots in Bayside are typically 500–700 m². Compact lots near Botany and inner areas may be below the threshold.
Are heritage exclusions common in Bayside?
Bayside has 424 heritage items. Heritage conservation areas exist in parts of Rockdale and Bexley. Most residential streets outside the conservation area precincts are not heritage-affected.
What are the flood and acid sulfate soil risks in Bayside?
Bayside has some acid sulfate soil risk in low-lying areas near Botany Bay. The checker above cross-references both acid sulfate soil maps and statutory flood overlays. Either can be an exclusion under SEPP Housing 2021.
Do I need council approval for a granny flat in Bayside?
If all SEPP checks pass, a CDC through a private certifier is sufficient. Bayside Council is involved only if a check fails.
Check other property risks in Bayside
Also check nearby councils
Checks lot area, zoning, heritage items and conservation areas, flood control lots, biodiversity values, and acid sulfate soils against SEPP Housing 2021. Flood check uses NSW EPI statutory overlay — shown as unknown outside coverage. DCP setback and height controls not included. Not legal advice.