Primary Production Small Lots dominant. Median sale $2.15M over the last 24 months. 75% of decided DAs approved.
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Zoning
Galston is dominated by RU4 — Primary Production Small Lots. Land use rules, height, FSR, and permitted developments are set per zone in the Local Environmental Plan and refined by the Development Control Plan.
Limit varies by lot — check your address for the exact figure.
Floor Space Ratio — total floor area as a multiple of lot area.
Location
Galston 2159 covers an undefined area within The Council of the Shire of Hornsby.
Drill into any lot in Galston
Open the interactive map — click any address to see its zone, height, FSR, overlays, and approval likelihood.
Development potential
We score every lot for development signal — under-built relative to the controls, eligible for a granny flat, or sized for subdivision.
lots with remaining GFA capacity
under SEPP (Housing) 2021
lots that may support subdivision
adjoining lots with combined upside
show at least one development signal
average uplift signal across the suburb
Theoretical capacity if every lot built to its limit: 113 dwellings, with 884 m² of unused GFA across the suburb.
Own a property in Galston?
Check your lot's exact development potential — height, FSR, granny flat, subdivision, dual-occ.
Constraints & risks
61% of lots are bushfire-prone — a bushfire assessment is likely required; also: 3% of lots carry heritage controls; 21.2% of lots intersect a Threatened Ecological Community.
Suburb-wide percentages — your specific lot may have all, some, or none of these.
Mapped flood-prone land
RFS bushfire-prone land mapping
Heritage item or Conservation Area
Within 100 m of EPA-listed site
Mapped TEC vegetation
Coastal hazard mapping
ANEF / aircraft noise
Insurance broker · serves Galston, NSW
30 Calderwood Rd, Galston NSW 2159
Market
Sales, rent, and yield data drawn from NSW Property Sales Information and rental bond data over the past 24 months.
DA activity
55 development applications for Galston addresses were decided by The Council of the Shire of Hornsby over the past 24 months. 41 approved — a 75% approval rate.
Demographics & lifestyle
ABS Census 2021 population data combined with lot-level amenity, healthcare, lifestyle, and crime indices.
Walkable amenity within 1 km
GP / hospital / pharmacy proximity
Cafés, parks, schools, transport
ZoneDSS Marketplace
9 businesses serving Galston and nearby.
Insurance broker
30 Calderwood Rd, Galston NSW 2159
Gym
412 Galston Rd, Galston NSW 2159
Electrician
8 Fishburns Rd, Galston NSW 2159
Wholesale plant nursery
15 Carrs Rd, Galston NSW 2159
Woodworker
17 Carrs Rd, Galston NSW 2159
Property management company
38A Crosslands, Galston NSW 2159
Run a local business? Get found by property owners researching Galston.
List your business — freeFAQs
Galston is dominated by the RU4 (Primary Production Small Lots) zone, which covers 489 of 1,080 lots (47%). The full mix is: RU4 Primary Production Small Lots (47%), R2 Low Density Residential (38%), C3 Commercial Core (9%), RE1 Public Recreation (4%), RU2 Rural Landscape (3%).
Across Galston, the average maximum building height is 9.2 m and the average maximum Floor Space Ratio (FSR) is 0.50:1. Individual lots can vary materially — height and FSR are set per zone in the Local Environmental Plan (LEP) and can be modified by overlays. For an exact figure on a specific address, generate a planning report.
Yes — 393 lots in Galston appear eligible for a granny flat under SEPP (Housing) 2021, based on lot size, zoning, and frontage. Eligibility is lot-specific: get a planning report on your address to confirm.
The median sale price in Galston over the past 24 months is $2,150,000, across 61 sales. Median unimproved land value is $1,630,000.
Median weekly rent for a house in Galston is $820. Gross rental yield works out to 1.6%.
The Council of the Shire of Hornsby decided 55 development applications for Galston addresses over the past 24 months, with 41 approved (75% approval rate). Processing time depends heavily on application complexity, council backlog, and whether the application requires referral to other agencies.
Across Galston, 3% with heritage controls, 61.0% bushfire-prone. These are suburb-wide percentages — every lot has its own combination. A planning report on a specific address shows exactly which controls apply.
8 of 1,080 lots in Galston show identifiable development potential — under-developed for the planning controls, eligible for a granny flat, or capable of subdivision. Average rezoning signal score: 7.4 / 100.
Continue exploring
Compare zoning, development potential, and DA activity across other suburbs in The Council of the Shire of Hornsby and nearby postcodes.
Gym · serves Galston, NSW
412 Galston Rd, Galston NSW 2159
Suburb-wide stats are useful for context. For a buy-or-walk decision on a specific lot, you need every control, every constraint, and every clause cited to source.
Run a report — from A$2914-section report · LEP + SEPP + DCP cross-referenced · cited to source
Verify with official sources
Don't take our word for it. Every figure on this page is computed from authoritative New South Wales Government data — and you can verify any of it directly with the source.
Official zoning, height, FSR, and overlay maps for any NSW address. The primary source for everything on this page.
planningportal.nsw.gov.au
Cadastral lot boundaries, aerial imagery, easements, and environmental overlays from NSW Spatial Services.
maps.six.nsw.gov.au
State-listed heritage items and Heritage Conservation Areas. Search by suburb to see what's listed in Galston.
hms.heritage.nsw.gov.au
Sites notified to the EPA under the Contaminated Land Management Act. Critical for due diligence on any address.
apps.epa.nsw.gov.au
Rural Fire Service map of bushfire-prone land categories. Triggers BAL assessment requirements for new builds.
rfs.nsw.gov.au
Australian Bureau of Statistics QuickStats for postcode 2159 — population, age, household composition, income, tenure.
abs.gov.au
Zoning, height, FSR, and overlays parsed from the The Council of the Shire of Hornsby Local Environmental Plan, applicable State Environmental Planning Policies, and the Development Control Plan. Property sales drawn from NSW Property Sales Information. DA history aggregated from the NSW Planning Portal. Heritage, flood, bushfire, contaminated land, TEC, sea-level rise, and aircraft noise overlays from the NSW Spatial Services and EPA registers. Population, age, income, and tenure from ABS Census 2021. Aggregated by ZoneDSS · last updated 2026-04-27.
Suburb-wide statistics — your specific lot may vary. Always run a planning report on the actual address before making a decision. How ZoneDSS works →