NSW · Sydney — St George & Southern
Home builders in Carlton, Sydney
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 Carlton 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 Carlton. Then one name and the reasoning behind it — or a straight no.
- Costs you nothing, ever
- No obligation to use them
- Details never sold
Why this is harder than it looks in Carlton
- Carlton is not a generic block
Mapped here: 2 residential zones, 1 overlay families, 42 heritage records. A builder who prices the house and discovers the site is a builder whose quote moves — and the variations land on you, not on them. The ones who work Carlton regularly already know which of these reach which streets.
- A current licence tells you nothing about solvency
Every one of the companies behind that figure held a valid licence the day before it failed. The certificate on the wall says they are permitted to build. It does not say they can pay their framer on Friday.
What building in Carlton actually involves
Carlton maps R2 Low Density Residential and R4 High Density Residential — and nothing between them. There is no medium-density zone here at all, and the mapped heights say the same thing twice: 9 m on 48 of 83 parcels, with controls reaching 21 m.
A suburb with no middle
Most suburbs on this site carry three residential zones and read as a gradient: a house, then a townhouse, then an apartment. Carlton skips the middle term. The practical effect is that the two outcomes available on this land are very far apart, and which one applies to a parcel is a binary rather than a position on a scale — a 9 m envelope is a two-storey house and a 21 m envelope is roughly six storeys, with nothing mapped in between to soften the step. For a buyer that makes the zone the single most consequential fact about a parcel, and it makes the boundary between the two zones unusually valuable to locate precisely: a parcel immediately on one side of it is a different asset from a parcel immediately on the other, with no gradual transition to blur the difference.
The low-density half, in numbers
A floor space ratio of 0.55:1 applies to 48 of 89 mapped parcels — on an 800 m² block, about 440 m² of floor area with every level counted. Minimum lot size comes in two bands, 450–474 m² on 48 parcels and 1000–1999 m² on 23. Those figures describe the R2 side and they are consistent with each other: a standard block, a two-storey house, and a subdivision question that turns on which band applies.
Forty-two listings and no conservation area
Forty-two heritage records are mapped across 2.04 km², every one an individual item. No conservation area is mapped at all, which makes the heritage position completely binary: a title search settles it, and an unlisted property carries no area obligation about how new work sits in its street. On land where the zone may permit six storeys, that absence matters — there is no streetscape control standing between a 21 m entitlement and the houses around it.
Three registers with clear results
The bushfire-prone land map holds nothing over Carlton. Two acid sulfate soil features are mapped, relevant only to a basement. No declared mine subsidence district reaches the suburb. Kogarah Bay Creek is the one mapped watercourse.
Find the zone boundary
Which of the two zones covers the parcel, because there is no middle outcome and the difference is about four storeys. Then, on R2 land, the 0.55:1 ratio and which lot band applies. Then the heritage listing from the title — a yes or a no, with no area to consider. Then, if the parcel is near the boundary, what the R4 land opposite could become.
What you are dealing with in Carlton
Six things a builder prices differently. This is the suburb-level picture — which of them reaches your block is an address check.
- Bushfire Not mapped BAL assessment; glazing, decking and screening spec.
- Flood Not checked Held in each council's own Flood Planning Map rather than in a statewide layer
- Heritage 42 records Impact statement; limits demolition, form and materials.
- Slope Not checked Published by individual councils rather than as a statewide layer
- Soil Acid sulfate Below trigger depth: management plan, treatment, disposal.
- Density controls 2 zones · 9m · 0.55:1 What may be built, and how much. Set parcel by parcel.
What is mapped in Carlton
Read from NSW ePlanning Spatial Viewer, not a summary of it.
- Council
- Georges River Council
- Planning scheme
- Georges River Local Environmental Plan 2021also Bayside Local Environmental Plan 2021
- Overlays mapped here
- Heritage — Item - General
- Residential zones mapped
- R2 Low Density Residential
R4 High Density Residential - Bushfire-prone land
- None mapped
- Mine subsidence district
- Not in one
- Heritage items mapped
- 42
- Minimum lot size
- 450-474 m² minimum (most common of 2 minimum-lot-size bands mapped in the suburb)
- Typical height limit
- 9m
- Floor space ratio
- 0.55:1
- 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.
Minimum lot size bands mapped here
Worth knowing before you budget
- Building height
The most common maximum building height mapped here is 9m (48 of 83 mapped parcels). Other controls that apply to a meaningful number of parcels run up to 21m — generally centres and larger sites, not a house block.
- Floor space ratio
A floor space ratio of 0.55:1 applies to most of the mapped parcels here (48 of 89). On an 800 m² block that is about 440 m² of floor area, every level counted.
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 Carlton
Confirmed with the builder against the suburbs they genuinely service — not a radius drawn on a map.
How this works
- 01Tell us about the build
Seven questions, about three minutes.
- 02We match it against Carlton
Against the 2 residential zones mapped here, 1 overlay families, 42 heritage records — and against which builders hold the right licence class for it, have done it before, and actually work under Georges River Council.
- 03One 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
- One builder, not a list
We read your brief against what is actually mapped in Carlton — 2 residential zones, 1 overlay family, 42 heritage records — and against which builders hold the right licence class, have built under these constraints before, and genuinely work under Georges River Council. You get one name and the reasoning in writing.
- Or a straight no
The same business day you get one of two things: our recommendation, with the reasons — or a plain email saying we have not got a builder in Carlton we would put our name to yet, and what we are doing about it. No drip campaign, no being passed around.
- It costs you nothing, ever
The builder pays us, and only if you sign with them. You are never charged, and you are never under any obligation to use the builder we name. How the fee works.
We are not a builder, we do not manage your build, and we do not hold your money.
Fair questions before you send anything
- You have no builders listed in Carlton yet. What use is that?
A fair question, and the honest answer is that a list is not what we do. We do not publish a builder until the licence is checked, the insurance is sighted and we have confirmed they are still trading — so an empty list here means we have not finished that work in Carlton, not that we cannot help. Send the brief and we go and find one for your block. If we cannot, you get told that, the same day, rather than being added to a mailing list.
- Why not just get three quotes myself?
You can, and for a simple job you probably should. The difficulty on a block in Carlton is that quotes are only comparable when they assume the same things — and with 2 residential zones mapped here, two builders can price the same house against different assumptions about the site and both be quoting honestly. Sorting that out is the part we do.
Builders serving Carlton
Questions about building in Carlton
What zones are mapped in Carlton?
R2 Low Density Residential and R4 High Density Residential — and nothing between them. There is no medium-density zone here at all.
Why does the missing middle matter?
Because the two outcomes available are very far apart and which applies is binary rather than a position on a scale. A 9 m envelope is a two-storey house; a 21 m envelope is roughly six storeys, with nothing mapped in between to soften the step.
What follows from that for a buyer?
The zone becomes the single most consequential fact about a parcel, and the boundary between the two zones is worth locating precisely — a parcel immediately on one side is a different asset from one immediately on the other.
What applies on the low-density side?
A floor space ratio of 0.55:1 on 48 of 89 mapped parcels — about 440 m² of floor area on an 800 m² block — and two lot bands, 450–474 m² on 48 parcels and 1000–1999 m² on 23.
Is Carlton heritage-affected?
42 records across 2.04 km², every one an individual item, and no conservation area at all. The position is completely binary: a title search settles it, and an unlisted property carries no area obligation about how new work sits in its street.
Does that absence matter?
On land where the zone may permit six storeys, yes — there is no streetscape control standing between a 21 m entitlement and the houses around it.
What to ask a builder about a block in Carlton
Each one is here because of something mapped in Carlton. Take them to whoever quotes.
- 01
Which of the 2 residential zones mapped in Carlton covers this address, and what does that one permit that the others do not?
- 02
Have you had an application through Georges River Council where a heritage control applied, and how long did the assessment take?
- 03
What height control is mapped at this address? It is set block by block in Carlton, not suburb-wide.
- 04
What floor space ratio applies at the address, and what floor area does that actually allow on this block?
Local landmarks in Carlton
- Tindale Reserve
- G B Holt Reserve
- Jubilee Oval
- Kogarah Park
- Anglo Square
- Stell Reserve
- Augusta Park
- Tiley Reserve
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 Carlton, we say so. That is a real answer we give, and the empty builder list above is the proof we mean it.
Building in Carlton?
Licence checked with NSW Fair Trading, insurance sighted, still trading, genuinely working in Carlton. If we cannot find one worth recommending, we will say so.
Find my builder — free →Free · about 3 minutes · no obligation · your details are never sold
Named watercourses in Carlton
Kogarah Bay Creek is the one named watercourse mapped in Carlton. Where a block sits relative to it is a design input rather than a view: it sets the riparian setback and, in a heavy event, the overland flow path.
- Kogarah Bay Creek
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.