NSW · Upper North Shore
Home builders in North Turramurra
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 North Turramurra 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 North Turramurra. 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 North Turramurra
- North Turramurra is not a generic block
Mapped here: 2 residential zones, 1 overlay families, 6 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 North Turramurra 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 North Turramurra actually involves
North Turramurra's principal mapped zone is R5 Large Lot Residential, its floor space ratio is 0.2:1, and it carries 18 acid sulfate soil features across 11.61 km². An acreage zone with the most restrictive ratio in this council and the heaviest soil mapping on the upper north shore — an unusual combination.
An acreage zone on the ridge
R5 Large Lot Residential contemplates housing on large allotments in a bushland setting, and it behaves differently from an R2 block in ways that reach the budget: driveway length, service connections, on-site wastewater where sewer does not reach, and bushfire asset protection are all site-specific rather than standard.
R2 Low Density is also mapped, so the first question is which applies to the title. Confirm it on the NSW Planning Portal spatial viewer — an R5 parcel and an R2 parcel here are different projects with different cost structures, and the difference is not apparent from the street.
Large land, and the smallest ratio in the council
A floor space ratio of 0.2:1 covers 30 of 38 mapped parcels, with a dominant lot band of 1,000–1,999 m² on 28. Multiply the land by 0.2 and that is the permitted floor area with every level counted — roughly 200 m² on a 1,000 m² block.
That is the arithmetic to do before anything else, because it inverts the expectation that acreage buys scale. A large North Turramurra parcel buys setting, privacy and separation; it does not buy a correspondingly large house. The height control is settled at 9.5 m on all 34 parcels the layer returns, so the ratio is the only numeric constraint that needs attention.
Eighteen acid sulfate features
Eighteen is a high count anywhere, and a surprising one on elevated ground. They follow the low land along Cockle Creek, Cowan Creek, Frasers Brook and Lovers Jump Creek, where the ridge falls away toward the waterway system.
The class carries a trigger depth, and only below it does anything follow — testing, treatment and managed disposal of the spoil rather than ordinary cartage. On a large sloping parcel the relevant question is not the house footprint but the driveway, the cut for a garage, and the wastewater system, any of which can reach depth on falling ground. Settle the intended excavation and run the class against it.
Eight bushfire features, on a bushland ridge
The mapping covers buffer and vegetation category 1. Category 1 is the serious classification, and on an R5 parcel the assessment reaches past the materials schedule: access for firefighting appliances, water supply for firefighting and the asset protection zone around the dwelling all form part of it, and each can affect where a house is permitted to sit.
On a large block those are siting decisions, so they belong at the start of a design rather than the end.
Six heritage records, two reservations
Six records are mapped — light for a suburb this size, so a listing is unlikely to reach any particular title. Two parcels are reserved for regional open space; low odds, categorical answer, and it bears on the consent and the valuation where it lands.
What to establish on a North Turramurra block
The zone on the title, because R5 and R2 are different projects. Then the 0.2:1 arithmetic against the brief — it is the control that decides whether the house you want fits the land you are buying. Then the bushfire assessment, including access, water and asset protection, since those decide siting on a large parcel. Then the acid sulfate class against the driveway and wastewater excavation, not just the house. Flood sits with Ku-ring-gai Council.
What you are dealing with in North Turramurra
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 6 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 · 9.5m · 0.2:1 What may be built, and how much. Set parcel by parcel.
What is mapped in North Turramurra
Read from NSW ePlanning Spatial Viewer, not a summary of it.
- Council
- Ku-ring-gai Council
- Planning scheme
- Ku-ring-gai Local Environmental Plan 2015
- Overlays mapped here
- Heritage — Item - General
- Residential zones mapped
- R2 Low Density Residential
R5 Large Lot Residential - Bushfire-prone land
- Mapped in this suburb
- Mine subsidence district
- Not in one
- Heritage items mapped
- 6
- Minimum lot size
- 1000-1999 m² minimum (most common of 2 minimum-lot-size bands mapped in the suburb)
- Typical height limit
- 9.5m
- Floor space ratio
- 0.2:1
- 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
Worth knowing before you budget
- Building height
The most common maximum building height mapped here is 9.5m (34 of 34 mapped parcels). No other height control covers a meaningful share of the suburb.
- Floor space ratio
A floor space ratio of 0.2:1 applies to most of the mapped parcels here (30 of 38). On an 800 m² block that is about 160 m² of floor area, every level counted.
- Land reserved for acquisition
Parts of North Turramurra are reserved for future public acquisition — regional open space. 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 North Turramurra
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 North Turramurra
Against the 2 residential zones mapped here, 1 overlay families, bushfire-prone land — 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 North Turramurra — 2 residential zones, 1 overlay family, 6 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 North Turramurra 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 North Turramurra 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 North Turramurra, 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 North Turramurra 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 North Turramurra
Questions about building in North Turramurra
What does the R5 zone mean for my build?
R5 Large Lot Residential contemplates housing on large allotments in a bushland setting, and it reaches the budget — driveway length, service connections, on-site wastewater where sewer does not reach, and bushfire asset protection are all site-specific rather than standard. R2 is also mapped, so confirm which applies to the title.
Does a large parcel here buy a large house?
No, and this inverts the usual expectation. The ratio is 0.2:1 on 30 of 38 mapped parcels, so a 1,000 m² block permits roughly 200 m² of floor area with every level counted. A large North Turramurra parcel buys setting, privacy and separation — not scale.
Why are there 18 acid sulfate features up here?
They follow the low land along Cockle Creek, Cowan Creek, Frasers Brook and Lovers Jump Creek, where the ridge falls away toward the waterway system. Eighteen is a high count anywhere and a surprising one on elevated ground.
What excavation should I check for acid sulfate?
Not just the house footprint. On a large sloping parcel the driveway, the cut for a garage and the wastewater system can each reach the trigger depth on falling ground — so settle the intended excavation and run the class against all of it.
How does bushfire assessment work on an R5 parcel?
It reaches past the materials schedule. Access for firefighting appliances, water supply for firefighting and the asset protection zone around the dwelling all form part of it, and each can affect where a house is permitted to sit — siting decisions that belong at the start of a design.
What height can I build to?
9.5 m, on all 34 parcels the layer returns, with no variation. The ratio is the only numeric constraint that needs attention here.
What to ask a builder about a block in North Turramurra
Each one is here because of something mapped in North Turramurra. Take them to whoever quotes.
- 01
Which of the 2 residential zones mapped in North Turramurra covers this address, and what does that one permit that the others do not?
- 02
What bushfire attack level have you built to in North Turramurra 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 North Turramurra, not suburb-wide.
Local landmarks in North Turramurra
- North Turramurra Golf Course
- Orange Green
- Sphinx War Memorial
- Glengarry State Training Centre
- Samuel King Park
- Sandakan Park
- Guiders Park
- Guides of Nsw Glengarry Camp
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 North Turramurra, we say so. That is a real answer we give, and the empty builder list above is the proof we mean it.
Building in North Turramurra?
Licence checked with NSW Fair Trading, insurance sighted, still trading, genuinely working in North Turramurra. 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 North Turramurra
4 named watercourses are mapped across North Turramurra. 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.
- Cockle Creek
- Cowan Creek
- Frasers Brook
- Lovers Jump 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.