NSW · Upper North Shore
Home builders in Roseville
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 Roseville 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 Roseville. 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 Roseville
- Roseville is not a generic block
Mapped here: 4 residential zones, 2 overlay families, 107 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 Roseville 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 Roseville actually involves
Roseville has a 9.5 m height limit over most of its mapped parcels and a floor space ratio of 0.3:1 over most of them too. Both are genuinely dominant here — and of the two, the floor space ratio is the one that will stop your house.
Which number actually binds
A 9.5 m height comfortably allows two storeys, so a buyer reading the height control alone concludes a substantial house is available. The floor space ratio says otherwise: at 0.3:1 an 800 m² block yields about 240 m² of floor area, every level counted. Two storeys of 120 m² each, and that is the lot. Garaging, any upper-floor circulation and anything enclosed all draw on the same allowance. The practical lesson is general and worth carrying to any NSW parcel: height and floor space ratio are independent controls, and whichever is more restrictive is the one that designs your house. Here it is unambiguously the ratio.
The numbers hold, which is itself useful
The height applies to 70 of 98 mapped parcels and the ratio to 81 of 121 — both recorded as dominant. That makes Roseville one of the suburbs where a suburb-level figure is a reasonable starting assumption rather than a plurality dressed up as a fact. Confirm at the address, but expect to be close.
Large lots, and a second band
The common minimum lot size is 750–799 m² on 84 parcels, with 1000–1999 m² on a further 20. Large lots and a 0.3:1 ratio together describe the suburb's form precisely: generous ground, modest buildings on it.
A hundred and seven heritage records
One hundred and seven heritage records are mapped, with a general conservation area among them. At that density the heritage question is not a long shot — and a conservation area reaches land carrying no listing of its own, so establish the boundary rather than reasoning from your own title.
Bushfire on a leafy upper North Shore suburb
Fourteen bushfire-prone features are mapped, in Vegetation Category 1, Category 2 and Vegetation Buffer. This surprises people on a suburb of this character, and the interaction is awkward: the attack level improves with separation from vegetation, and the vegetation is part of what makes the lots worth their price.
Eight reserved parcels, and a clear subsidence result
Eight parcels are reserved for future public acquisition — five for infrastructure, two for local open space, one for a local road. Two acid sulfate features are mapped. Roseville is in no declared mine subsidence district.
What to establish on a Roseville block
The floor space ratio first, because it is the binding control rather than the height. Then the lot band. Then whether the conservation area reaches the parcel. Then the bushfire category, and how separation can be achieved without removing what you bought.
What you are dealing with in Roseville
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 107 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 4 zones · 9.5m · 0.3:1 What may be built, and how much. Set parcel by parcel.
What is mapped in Roseville
Read from NSW ePlanning Spatial Viewer, not a summary of it.
- Council
- Ku-ring-gai Council
- Planning scheme
- Ku-ring-gai Local Environmental Plan 2015also Willoughby Local Environmental Plan 2012
- Overlays mapped here
- Heritage — Item - General · Heritage — Conservation Area - General
- Residential zones mapped
- R1 General Residential
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
- 107
- Minimum lot size
- 750-799 m² minimum (most common of 2 minimum-lot-size bands mapped in the suburb)
- Typical height limit
- 9.5m
- Floor space ratio
- 0.3:1
- Land reserved for acquisition
- Infrastructure · Local Open Space · Local Road
- 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 9.5m (70 of 98 mapped parcels). Other controls that apply to a meaningful number of parcels run up to 29m — generally centres and larger sites, not a house block.
- Floor space ratio
A floor space ratio of 0.3:1 applies to most of the mapped parcels here (81 of 121). On an 800 m² block that is about 240 m² of floor area, every level counted.
- Land reserved for acquisition
Parts of Roseville are reserved for future public acquisition — infrastructure, local open space, local road. 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 Roseville
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 Roseville
Against the 4 residential zones mapped here, 2 overlay families, bushfire-prone land, 107 heritage records — and against which builders hold the right licence class for it, have done it before, and actually work under Ku-ring-gai 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 Roseville — 4 residential zones, 2 overlay families, 107 heritage records — and against which builders hold the right licence class, have built under these constraints before, and genuinely work under Ku-ring-gai 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 Roseville 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 Roseville 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 Roseville, 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 Roseville is that quotes are only comparable when they assume the same things — and with 4 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 Roseville
Questions about building in Roseville
What can I build in Roseville?
The binding control is the floor space ratio, not the height. At 0.3:1 an 800 m² block yields about 240 m² of floor area, every level counted — two storeys of 120 m² each, with garaging and upper-floor circulation drawing on the same allowance.
But the height limit allows two storeys?
It does — 9.5 m comfortably. Height and floor space ratio are independent controls and whichever is more restrictive designs your house. Here it is unambiguously the ratio.
Can I trust those figures at suburb level?
More than usual. The height applies to 70 of 98 mapped parcels and the ratio to 81 of 121, both recorded as dominant. Confirm at the address, but expect to be close.
What are the lot sizes?
750–799 m² on 84 parcels, with 1000–1999 m² on a further 20. Large lots and a 0.3:1 ratio describe the form precisely: generous ground, modest buildings on it.
Is Roseville heritage-affected?
107 records are mapped, with a general conservation area among them. At that density the heritage question is not a long shot, and a conservation area reaches land carrying no listing of its own.
Is Roseville bushfire-prone?
14 features are mapped, in Vegetation Category 1, Category 2 and Vegetation Buffer. The interaction is awkward: the attack level improves with separation from vegetation, and the vegetation is part of what makes the lots worth their price.
What to ask a builder about a block in Roseville
Each one is here because of something mapped in Roseville. Take them to whoever quotes.
- 01
Which of the 4 residential zones mapped in Roseville covers this address, and what does that one permit that the others do not?
- 02
What bushfire attack level have you built to in Roseville before, and what did it change in the glazing, decking and screening?
- 03
Have you had an application through Ku-ring-gai 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 Roseville, not suburb-wide.
Local landmarks in Roseville
- Roseville Golf Course
- Roseville Park
- Little Digger Park
- Loyal Henry Park
- Bancroft Park
- Wright Reserve
- Barcoo Reserve
- Roseville Memorial 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 Roseville, we say so. That is a real answer we give, and the empty builder list above is the proof we mean it.
Building in Roseville?
Licence checked with NSW Fair Trading, insurance sighted, still trading, genuinely working in Roseville. 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 Roseville
4 named watercourses are mapped across Roseville. 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
- Moores Creek
- Scotts Creek
- Sugarbag 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.