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Oatley — 4.37 km². Boundary from the ABS Australian Statistical Geography Standard 2021, simplified. The same boundary every figure on this page was read against.

NSW · Sydney — St George & Southern

Home builders in Oatley

A builder’s licence is permission to trade. It is not a solvency test. 2,361 construction companies entered external administration last financial year, more than any other industry in the country — and no regulator checks whether the one quoting your Oatley job can still pay its framer on Friday. We run the Four-Point Builder Check™: licence with NSW Fair Trading, insurance sighted, still trading, and genuinely working in Oatley. Then one name and the reasoning behind it — or a straight no.

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Georges River CouncilGeorges River Local Environmental Plan 2021 Knockdown rebuild
2,361Construction companies entered external administration in 2024–25 — more than any other industry in Australia (ASIC)
1Overlay families mapped in Oatley, each one something a builder prices differently
33Heritage records intersecting Oatley. Your own house need not be listed for them to reach your project

Why this is harder than it looks in Oatley

Have us check instead — free →

Knockdown rebuild — the kind of build this page is about. A drawing, not a photograph of a house in Oatley.

What building in Oatley actually involves

Oatley maps 33 heritage records and three minimum-lot bands across 4.37 km², with a 0.55:1 floor space ratio holding on 110 of 131 mapped parcels. The numeric controls are dependable here; the variable that actually moves between blocks is the land.

Three lot bands, and two of them are common

The bands are 700–749 m² on 63 parcels, 450–474 m² on 49 and 1,000–1,999 m² on 7. The first two are both well represented, which is unusual — most suburbs have one standard and a handful of outliers. Here the suburb genuinely contains two subdivision patterns, roughly half and half.

That matters most if a dual occupancy or a split is part of the plan, because the band decides whether it is possible at all. It also tells you something about the streets: a 450 m² minimum and a 700 m² minimum produce different frontages and different setback relationships, so the character shifts depending which part of Oatley you are in. The band comes from the title.

The numbers you can design against

A floor space ratio of 0.55:1 covers 110 of 131 mapped parcels and a height of 9 m covers 114 of 124, with the range topping out at 12 m. Both are strong majorities, so unlike many suburbs on this site the figures can be used rather than merely tested.

On a 1,000 m² block the ratio permits about 550 m² of floor area, every level counted. The 12 m controls sit with the denser land rather than on house blocks.

Thirty-three heritage records

A substantial listing count for a suburb this size. For a knockdown rebuild the question is simply whether one attaches to the title, and the answer is categorical and quick — but it decides whether the project survives in the form imagined, so it belongs before an offer.

Bushland on three sides of the question

Twelve bush fire prone features are mapped as buffer, vegetation category 1 and vegetation category 2, following Dairy Creek, Myles Dunphy Creek and Renown Creek. The suburb's recorded features include Oatley Park and Oatley Point Reserve — substantial bushland on a peninsula rather than a strip of roadside vegetation.

Category 1 is present, which is the classification that lifts a Bushfire Attack Level furthest. On a block backing the park or a creek line the rating governs glazing, cladding, decking and screening, and the slope beneath the block feeds it as much as the vegetation does. Get the assessment before the design is settled.

Seven acid sulfate features on the low ground

Seven acid sulfate soil features are mapped where the land falls to the river and the creeks. The mapping carries a class and a trigger depth: stay above it and nothing follows, go below and the spoil must be tested, treated and managed rather than carted. On a sloping peninsula block with a lower level cut into the fall, that threshold is crossed more often than on flat ground.

Three zones, and one reserved parcel

R2 Low Density, R3 Medium Density and R4 High Density Residential are all mapped, so what may eventually be built beside a block varies — worth checking on the adjoining parcels as well as your own. One parcel is reserved for regional open space, a low-probability address check with a categorical answer.

What to establish on an Oatley block

The lot band from the title, because the suburb holds two subdivision patterns in near-equal measure. Then the heritage position, before an offer. Then the bushfire rating if the block is near the park or a creek. Then the acid sulfate class against your intended depth. The ratio and height will usually hold, so test the brief against 0.55:1 early. Flood sits with Georges River Council.

What you are dealing with in Oatley

Six things a builder prices differently. This is the suburb-level picture — which of them reaches your block is an address check.

What is mapped in Oatley

Read from NSW ePlanning Spatial Viewer, not a summary of it.

Council
Georges River Council
Planning scheme
Georges River Local Environmental Plan 2021
Overlays mapped here
Heritage — Item - General
Residential zones mapped
R2 Low Density Residential
R3 Medium Density Residential
R4 High Density Residential
Bushfire-prone land
Mapped in this suburb
Mine subsidence district
Not in one
Heritage items mapped
33
Minimum lot size
700-749 m² minimum (most common of 3 minimum-lot-size bands mapped in the suburb)
Typical height limit
9m
Floor space ratio
0.55:1
Land reserved for acquisition
Regional Open Space
Acid sulfate soils
Mapped in this suburb

Planning data from NSW ePlanning Spatial Viewer (CC BY 4.0), read 2026-09-20. Suburb-level, not a report on your block — check your address on the NSW Planning Portal.

Bushfire categories mapped here

Vegetation BufferVegetation Category 1Vegetation Category 2
The category recorded for the suburb is not the rating for a lot. Where mapping reaches a block, a Bushfire Attack Level is assessed on that site and drives the construction standard.

Worth knowing before you budget

The mechanism

The Four-Point Builder Check™

Every one of them is something you could do yourself. What we sell is that it has been done, dated and published — and repeated on a schedule, because a check that happened once is worth nothing.

  • 01 · Licence

    Looked up on NSW Fair Trading's own public register — number, class and status, with the date we looked recorded.

  • 02 · Insurance

    Public liability plus whatever warranty or indemnity cover NSW requires. Sighted by us, not self-declared on a form.

  • 03 · Still trading

    Solvency re-checked on a schedule. A licence stays current right up until the day a company fails.

  • 04 · Works in Oatley

    Confirmed with the builder against the suburbs they genuinely service — not a radius drawn on a map.

Have us run the check — free →

How this works

  1. 01
    Tell us about the build

    Seven questions, about three minutes.

  2. 02
    We match it against Oatley

    Against the 3 residential zones mapped here, 1 overlay families, bushfire-prone land, 33 heritage records — and against which builders hold the right licence class for it, have done it before, and actually work under Georges River Council.

  3. 03
    One recommendation, with the reasoning

    Not six quotes to sift. We negotiate on your behalf; you deal with the builder directly. Builders pay us, only once you sign.

What you get, and what it costs you

We are not a builder, we do not manage your build, and we do not hold your money.

A completed two-storey contemporary Australian home at dusk, built around a retained eucalypt.
Illustrative. We do not publish project photography until a builder we have checked gives us one of their own — so this is not a build of ours and not a house in Oatley.

Fair questions before you send anything

Builders serving Oatley

None verified in Oatley yet. We will not list one we have not checked — give us the brief and we will go and find one. Tell us what you're building →

Questions about building in Oatley

How much house can I build in Oatley?

Multiply the block area by 0.55. The ratio covers 110 of 131 mapped parcels, so it is dependable rather than indicative — on a 1,000 m² block that is about 550 m² of floor area with every level counted.

Why are there two common lot sizes?

The bands are 700–749 m² on 63 parcels and 450–474 m² on 49, roughly half and half, with a 1,000–1,999 m² band on seven more. Most suburbs have one standard and a few outliers; Oatley genuinely contains two subdivision patterns, which changes frontages and setback relationships depending where you are.

What height applies?

9 m covers 114 of 124 mapped parcels, with the range topping out at 12 m. The taller controls sit with the denser land rather than on house blocks, so the 9 m figure is a fair starting point for a house.

How does Oatley Park affect the bushfire rating?

It is substantial bushland on a peninsula rather than a strip of roadside vegetation, and vegetation category 1 is among the twelve features mapped. On a block backing the park or a creek line the rating governs glazing, cladding, decking and screening, and the slope beneath feeds it as much as the vegetation.

Do acid sulfate soils matter here?

Seven features are mapped where the land falls to the river and creeks. Stay above the trigger depth and nothing follows; below it the spoil must be tested, treated and managed. On a sloping block with a lower level cut into the fall, that threshold is crossed more often than on flat ground.

Is heritage likely to affect my block?

Thirty-three records are mapped, a substantial count for the suburb's size. The question is whether one attaches to your title — categorical and quick to answer, but decisive for a knockdown rebuild, so ask before an offer.

What to ask a builder about a block in Oatley

Each one is here because of something mapped in Oatley. Take them to whoever quotes.

  1. 01

    Which of the 3 residential zones mapped in Oatley covers this address, and what does that one permit that the others do not?

  2. 02

    What bushfire attack level have you built to in Oatley before, and what did it change in the glazing, decking and screening?

  3. 03

    Have you had an application through Georges River Council where a heritage control applied, and how long did the assessment take?

  4. 04

    What height control is mapped at this address? It is set block by block in Oatley, not suburb-wide.

Local landmarks in Oatley

No catch

What you are agreeing to

  • Nothing. There is no contract with us, no account to create, no card, and nothing to cancel.
  • No obligation to use whoever we recommend. Take the name and the reasoning and do what you like with it, including nothing.
  • No phone number needed to start. Give us one if you want to be called; otherwise we write.
  • One builder contacts you, not six. And only after you have seen the brief and said yes.
  • Your details go to that builder and nobody else. Never sold, never auctioned, never shared with a panel.
  • If we have nobody in Oatley, we say so. That is a real answer we give, and the empty builder list above is the proof we mean it.

Building in Oatley?

Licence checked with NSW Fair Trading, insurance sighted, still trading, genuinely working in Oatley. If we cannot find one worth recommending, we will say so.

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Named watercourses in Oatley

3 named watercourses are mapped in Oatley. On any individual block the question is which of them is nearest, because that is what the setback is offset from and what the flow path follows.

Read from the NSW Water Theme, which maps gazetted watercourses only. A constructed channel or a stormwater drain is not in this list and can still carry water across a block.