NSW · Shellharbour & Kiama
Home builders in Gerringong
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 Gerringong 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 Gerringong. 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 Gerringong
- Gerringong is not a generic block
Mapped here: 2 residential zones, 1 overlay families, 25 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 Gerringong 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 Gerringong actually involves
Gerringong maps twelve acid sulfate soil features — the highest count among the Illawarra and south coast suburbs we have published. On a small coastal town that is the layer most likely to affect the earthworks, and it is the one homeowners most often meet for the first time mid-project.
What acid sulfate mapping actually requires
Acid sulfate soils contain sulfidic material that is harmless while it stays waterlogged and generates acid when exposed to air. The mapping assigns classes by how close that material sits to the surface, and where the class level is reached, works disturbing soil at or below it need consent and a management plan. The requirement is about method rather than design: how excavation is carried out, how spoil is handled and where it goes, and how any water drawn from the excavation is treated before discharge.
Where it bites, and where it does not
For a slab on relatively undisturbed ground it is frequently a light finding. It becomes a real cost where the project involves depth — a pool, a basement, substantial cut, or footings that need to reach well down. Dewatering is the part that surprises people: water pumped out of a disturbed excavation carries the same problem as the soil and has to be managed. If a pool is in the brief on a Gerringong block, the acid sulfate position and the pool are one question, not two.
Low, spacious controls
A floor space ratio of 0.45:1 applies to most mapped parcels — 58 of 87 — and the most common maximum height is 8.5 m, on 61 of 78, with 11 m as the upper figure. On an 800 m² block, 0.45:1 permits about 360 m² of floor area across all levels. Both controls are dominant, so they are a reasonable planning assumption, but the arithmetic belongs against your own land area before a design brief.
Twenty-five heritage features, and two zones
Where a listing reaches a property, consent is needed to demolish and to build, measured against the recorded significance — and conservation areas reach properties carrying no listing at all. R2 Low Density and R3 Medium Density Residential are the zones mapped; there is no large-lot land here, which is consistent with a compact coastal town.
One parcel reserved for infrastructure
A reservation earmarks land for acquisition by a public authority, constraining what can be approved and affecting value. One parcel is a very low probability and an absolute consequence — a minutes-long check that belongs before contracts rather than after.
A south coast exposure
Not a planning matter and it shapes the specification. A site near this coast sits in a marine environment, and what the external materials must be follows from the exposure category that site is given; the wind rating returned for that site decides framing, tie-downs and bracing. Both vary between an elevated block above the town and one further back, so both belong named in a quote.
What to establish first in Gerringong
The acid sulfate class at the address, and — if a pool or any below-ground work is planned — treat that as one question with the excavation method and dewatering. Then the floor space ratio against your land area, and the height control. Then heritage, the reservation check, and the exposure and wind ratings.
What you are dealing with in Gerringong
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 25 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 · 8.5m · 0.45:1 What may be built, and how much. Set parcel by parcel.
What is mapped in Gerringong
Read from NSW ePlanning Spatial Viewer, not a summary of it.
- Council
- Kiama Council
- Planning scheme
- Kiama Local Environmental Plan 2011
- Overlays mapped here
- Heritage — Item - General
- Residential zones mapped
- R2 Low Density Residential
R3 Medium Density Residential - Bushfire-prone land
- Mapped in this suburb
- Mine subsidence district
- Not in one
- Heritage items mapped
- 25
- Typical height limit
- 8.5m
- Floor space ratio
- 0.45:1
- Land reserved for acquisition
- Infrastructure
- 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 (61 of 78 mapped parcels). Other controls that apply to a meaningful number of parcels run up to 11m — generally centres and larger sites, not a house block.
- Floor space ratio
A floor space ratio of 0.45:1 applies to most of the mapped parcels here (58 of 87). On an 800 m² block that is about 360 m² of floor area, every level counted.
- Land reserved for acquisition
Parts of Gerringong are reserved for future public acquisition — infrastructure. 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 Gerringong
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 Gerringong
Against the 2 residential zones mapped here, 1 overlay families, bushfire-prone land, 25 heritage records — and against which builders hold the right licence class for it, have done it before, and actually work under Kiama 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 Gerringong — 2 residential zones, 1 overlay family, 25 heritage records — and against which builders hold the right licence class, have built under these constraints before, and genuinely work under Kiama 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 Gerringong 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 Gerringong 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 Gerringong, 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 Gerringong 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 Gerringong
Questions about building in Gerringong
What are acid sulfate soils?
Soils containing sulfidic material that is harmless while waterlogged and generates acid when exposed to air. The mapping assigns classes by how close that material sits to the surface — twelve features are mapped in Gerringong.
What does the requirement involve?
Method rather than design: how excavation is carried out, how spoil is handled and where it goes, and how water drawn from the excavation is treated before discharge. Once excavation reaches the mapped class level, consent and a management plan are both required.
When does it become expensive?
Where the project involves depth — a pool, a basement, substantial cut, or footings reaching well down. Dewatering surprises people: water pumped from a disturbed excavation carries the same problem as the soil and must be managed.
How much house can I build?
A floor space ratio of 0.45:1 applies to 58 of 87 mapped parcels — about 360 m² of floor area on an 800 m² block, across all levels. The most common height control is 8.5 m on 61 of 78 parcels, with 11 m as the upper figure.
What should a quote name for the coast?
The exposure category assessed for the specific site, which governs external materials, and the wind rating for that site, which decides framing, tie-downs and bracing. Both vary between an elevated block above the town and one further back.
What to ask a builder about a block in Gerringong
Each one is here because of something mapped in Gerringong. Take them to whoever quotes.
- 01
Which of the 2 residential zones mapped in Gerringong covers this address, and what does that one permit that the others do not?
- 02
What bushfire attack level have you built to in Gerringong before, and what did it change in the glazing, decking and screening?
- 03
Have you had an application through Kiama 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 Gerringong, not suburb-wide.
Local landmarks in Gerringong
- Mount Pleasant Lookout
- Boxsell Oval
- Arthur Campbell Reserve
- Gerringong Cemetery
- Noble Reserve
- Michael Cronin Field
- Cooke Park
- Gerringong School 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 Gerringong, we say so. That is a real answer we give, and the empty builder list above is the proof we mean it.
Building in Gerringong?
Licence checked with NSW Fair Trading, insurance sighted, still trading, genuinely working in Gerringong. 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 Gerringong
3 named watercourses are mapped in Gerringong. 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.
- Crooked River
- Ooaree Creek
- Werri Gully
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.