NSW · Sydney — Lower North Shore
Home builders in Chatswood
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 Chatswood 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 Chatswood. 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 Chatswood
- Chatswood is not a generic block
Mapped here: 3 residential zones, 4 overlay families, 98 heritage records, bushfire-prone land. 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 Chatswood 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 Chatswood actually involves
Chatswood maps four minimum-lot-size bands — and a single dominant height and a single dominant floor space ratio. The lot size varies four ways; the building envelope does not vary at all.
Lot size and envelope are answered by different maps
The bands are 550–574 m² on 87 parcels, 650–674 m² on 76, 1000–1999 m² on 10 and 2000–2999 m² on 5. Over the top of all of them sit a maximum height of 8.5 m, on 120 of 330 mapped parcels, and a floor space ratio of 0.4:1, on 136 of 283 — both recorded as dominant. The practical effect is that a bigger block here does not buy a bigger building in proportion: the ratio scales with land, so 0.4:1 on a 650 m² lot is about 260 m² of floor area and on a 2,000 m² lot about 800 m², but the 8.5 m height caps it at two storeys either way. What a larger lot buys is ground, setbacks and the option to subdivide if the band allows — not height.
What 0.4:1 means on a normal block
On an 800 m² block it is about 320 m² of floor area, every level counted, with garaging and upper-floor circulation drawing on the same allowance. Against a 9 m-ish height limit that is a comfortable two-storey house rather than a constrained one — the two controls here are broadly consistent, which is not always the case and is worth confirming at the address rather than assumed.
Twenty reserved parcels, in five purposes
Twenty parcels are reserved for future public acquisition, across five different purposes: infrastructure on fourteen, environmental conservation on two, mixed use on two, a local centre on one and medium density residential on one. That spread is the interesting part. A reservation list of roads and drains describes a council maintaining a suburb; a list that includes a local centre, mixed use and medium density residential describes one assembling land to deliver a plan. Which purpose attaches to a parcel changes what the acquisition would be for and what the surrounding land is expected to become.
Ninety-eight heritage records
Ninety-eight heritage records are mapped across 5.01 km². At that density a listing is a realistic possibility on an older property and should be established before a rebuild is costed.
Bushfire on a commercial centre's suburb
Twelve bushfire-prone features are mapped, in Vegetation Category 1, Category 2 and Vegetation Buffer — which surprises people on a suburb known for its town centre, and means the question has to be asked rather than dismissed. Three acid sulfate soil features are mapped. Chatswood is in no declared mine subsidence district.
What to establish on a Chatswood block
The lot band, because four are mapped and they bear on subdivision as well as scale. Then confirm the height and ratio at the address — both are dominant, so a suburb-level answer is a fair starting point. Then whether the parcel or a neighbour carries one of the twenty reservations, and for which purpose. Then any heritage listing.
What you are dealing with in Chatswood
Six things a builder prices differently. This is the suburb-level picture — which of them reaches your block is an address check.
- Bushfire 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 98 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 3 zones · 8.5m · 0.4:1 What may be built, and how much. Set parcel by parcel.
What is mapped in Chatswood
Read from NSW ePlanning Spatial Viewer, not a summary of it.
- Council
- Willoughby Council
- Planning scheme
- Willoughby Local Environmental Plan 2012
- Overlays mapped here
- Heritage — Item - General · Heritage — Conservation Area - General · Heritage — Item - Archaeological · Heritage — Item - Landscape
- 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
- 98
- Minimum lot size
- 550-574 m² minimum (most common of 4 minimum-lot-size bands mapped in the suburb)
- Typical height limit
- 8.5m
- Floor space ratio
- 0.4:1
- Land reserved for acquisition
- Infrastructure · Environmental Conservation · Mixed Use
- 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
Worth knowing before you budget
- Building height
The most common maximum building height mapped here is 8.5m (120 of 330 mapped parcels). Other controls that apply to a meaningful number of parcels run up to 12m — generally centres and larger sites, not a house block.
- Floor space ratio
A floor space ratio of 0.4:1 applies to most of the mapped parcels here (136 of 283). On an 800 m² block that is about 320 m² of floor area, every level counted.
- Land reserved for acquisition
Parts of Chatswood are reserved for future public acquisition — infrastructure, environmental conservation, mixed use and others. A reservation is mapped to specific land, so whether it touches your block has to be checked at the address.
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 Chatswood
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
Six questions, about three minutes.
- 02We match it against Chatswood
Against the 3 residential zones mapped here, 4 overlay families, bushfire-prone land, 98 heritage records — and against which builders hold the right licence class for it, have done it before, and actually work under Willoughby 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 Chatswood — 3 residential zones, 4 overlay families, 98 heritage records — and against which builders hold the right licence class, have built under these constraints before, and genuinely work under Willoughby 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 Chatswood 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 Chatswood 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 Chatswood, 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 Chatswood is that quotes are only comparable when they assume the same things — and with 3 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 Chatswood
Questions about building in Chatswood
Does a bigger block in Chatswood mean a bigger house?
Not in proportion. Four lot bands are mapped but a single dominant height of 8.5 m and a single dominant floor space ratio of 0.4:1 sit over all of them. The ratio scales with land, but the height caps the result at two storeys either way — what a larger lot buys is ground, setbacks and possibly subdivision, not height.
What are the four lot bands?
550–574 m² on 87 parcels, 650–674 m² on 76, 1000–1999 m² on 10 and 2000–2999 m² on 5.
What does 0.4:1 allow?
On an 800 m² block, about 320 m² of floor area with every level counted, and garaging and upper-floor circulation drawing on the same allowance. Against the height limit that is a comfortable two-storey house rather than a constrained one.
Is any land reserved for acquisition?
Twenty parcels across five purposes: infrastructure on fourteen, environmental conservation on two, mixed use on two, a local centre on one and medium density residential on one.
Why is that spread interesting?
Because a reservation list of roads and drains describes a council maintaining a suburb, while one including a local centre, mixed use and medium density residential describes one assembling land to deliver a plan. The purpose attached to a parcel changes what the surrounding land is expected to become.
Is Chatswood bushfire-prone?
Twelve features are mapped, in Vegetation Category 1, Category 2 and Vegetation Buffer — which surprises people on a suburb known for its town centre, and means the question has to be asked rather than dismissed.
What to ask a builder about a block in Chatswood
Each one is here because of something mapped in Chatswood. Take them to whoever quotes.
- 01
Which of the 3 residential zones mapped in Chatswood covers this address, and what does that one permit that the others do not?
- 02
What bushfire attack level have you built to in Chatswood before, and what did it change in the glazing, decking and screening?
- 03
Have you had an application through Willoughby Council where a heritage control applied, and how long did the assessment take?
- 04
What height control is mapped at this address? It is set block by block in Chatswood, not suburb-wide.
Local landmarks in Chatswood
- Garden of Remembrance
- Chatswood Golf Course
- Beauchamp Park Rose Garden
- Oh Reid Oval
- Blue Gum Park
- Beauchamp Park
- Muston Park
- Bales Park
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 Chatswood, we say so. That is a real answer we give, and the empty builder list above is the proof we mean it.
Building in Chatswood?
Licence checked with NSW Fair Trading, insurance sighted, still trading, genuinely working in Chatswood. 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 Chatswood
4 named watercourses are mapped across Chatswood. At that density the buildable ground is largely what sits between them, and the gullies they run in set the fall — which decides earthworks long before the floor plan does.
- Blue Gum Creek
- Lane Cove River
- Scotts Creek
- Swaines 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.