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500 m
Unley Park — 0.85 km². Boundary from the ABS Australian Statistical Geography Standard 2021, simplified. The same boundary every figure on this page was read against.

SA · Adelaide — Established & Coastal (KDR)

Home builders in Unley Park

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 Unley Park job can still pay its framer on Friday. We run the Four-Point Builder Check™: licence with Consumer and Business Services, insurance sighted, still trading, and genuinely working in Unley Park. Then one name and the reasoning behind it — or a straight no.

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  • No obligation to use them
  • Details never sold
City of UnleyPlanning and Design Code Knockdown rebuild
2,361Construction companies entered external administration in 2024–25 — more than any other industry in Australia (ASIC)
7Overlay families mapped in Unley Park, each one something a builder prices differently
35Heritage records intersecting Unley Park. Your own house need not be listed for them to reach your project

Why this is harder than it looks in Unley Park

Have us check instead — free →

Knockdown rebuild — the kind of build this page is about. A drawing, not a photograph of a house in Unley Park.

What building in Unley Park actually involves

Seven overlays over 0.85 square kilometres

Unley Park carries seven overlays and 35 heritage places across 0.85 km² — both flood hazard bands, both area overlays, both kinds of heritage listing, and the tree overlay. That is close to the full set the Planning and Design Code can apply to established residential land.

The useful way to read that is not as a warning but as a sequence. Seven overlays means up to seven separate reasons a proposal needs assessment, and each one is knowable before you commit. Get the property report for the address first; brief a designer second.

Historic Area and Character Area, together

Unley Park carries both. They are different instruments and they are frequently confused:

  • The Character Area Overlay manages built form consistency — setbacks, roof form, materials, the rhythm of the street.
  • The Historic Area Overlay conserves the historic character of a defined area, and within it demolition of a contributory building is generally not supported.

Both are area-based: they apply to every property inside their boundary whether or not that property is separately listed. On a suburb of large intact villas, that is the control most likely to decide whether a project is a renovation or a rebuild.

Four zones, including a corridor

Business Neighbourhood, Established Neighbourhood, General Neighbourhood and Urban Corridor (Living) are mapped. The corridor zone anticipates a different scale from the established residential land beside it, so it is worth checking the zoning of the parcels around you as well as your own.

Flood and trees

Both Hazards (Flooding — High) and Hazards (Flooding — General) reach parts of the suburb. Which band covers a parcel can set a floor level, and in South Australia it is mapped data rather than a figure to request.

The Regulated and Significant Tree overlay protects by trunk circumference. On large established gardens that is a real constraint on siting, and City of Unley can confirm which trees on a property are captured before a design commits to a footprint.

What you are dealing with in Unley Park

Six things a builder prices differently. This is the suburb-level picture — which of them reaches your block is an address check.

What is mapped in Unley Park

Read from Planning and Design Code via SAPPA (PlanSA), not a summary of it.

Council
City of Unley
Planning scheme
Planning and Design Code
Overlays mapped here
Hazards (Flooding — High) · Hazards (Flooding — General) · Character Area Overlay · Historic Area Overlay · Local Heritage Place · State Heritage Place · Regulated and Significant Tree
Residential zones mapped
Business Neighbourhood
Established Neighbourhood
General Neighbourhood
Urban Corridor (Living)
Bushfire-prone land
None mapped
Local Heritage Places
35
Acid sulfate soils
None mapped
Minimum Frontage
15m to 30m
6 different values mapped across the suburb
Minimum Site Area
1,000 sqm to 900 sqm
6 different values mapped across the suburb
Maximum Building Height (Metres)
6m to 18.5m
5 different values mapped across the suburb
Maximum Building Height (Levels)
1 level to 5 levels
5 different values mapped across the suburb
Minimum Primary Street Setback
0m · 3m
Minimum Side Boundary Setback
1m for the first building level; 3m for any second building level or higher to 4m for the first building level; 8m for any second building level or higher
4 different values mapped across the suburb
Site Coverage
40 per cent · 50 per cent

Planning data from Planning and Design Code via SAPPA (PlanSA) (CC BY 4.0), read 2026-09-18. Suburb-level, not a report on your block — check your address on the SA Property and Planning Atlas.

Overlay families mapped here

Flooding — HighFlooding — Gene…Character AreaHistoric AreaLocal Heritage …State Heritage …Regulated and S…
Each is a separate assessment with its own trigger, and most cover part of the suburb rather than all of it. Which of them reaches a particular block is an address question.

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 Consumer and Business Services's own public register — number, class and status, with the date we looked recorded.

  • 02 · Insurance

    Public liability plus whatever warranty or indemnity cover SA 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 Unley Park

    Confirmed with the builder against the suburbs they genuinely service — not a radius drawn on a map.

Have us run the check — free →

How this works

  1. 01
    Tell us about the build

    Six questions, about three minutes.

  2. 02
    We match it against Unley Park

    Against the 4 residential zones mapped here, 7 overlay families, 35 heritage records — and against which builders hold the right licence class for it, have done it before, and actually work under City of Unley.

  3. 03
    One 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

We are not a builder, we do not manage your build, and we do not hold your money.

A completed two-storey contemporary Australian home at dusk, built around a retained eucalypt.
Illustrative. We do not publish project photography until a builder we have checked gives us one of their own — so this is not a build of ours and not a house in Unley Park.

Fair questions before you send anything

Builders serving Unley Park

None verified in Unley Park yet. We will not list one we have not checked — give us the brief and we will go and find one. Tell us what you're building →

Questions about building in Unley Park

How many overlays apply in Unley Park?

Seven across 0.85 km² — both flood hazard bands, both area overlays, both kinds of heritage listing, and the tree overlay. That is close to the full set the Code can apply to established residential land.

Is that a reason to avoid it?

No, it is a sequence. Seven overlays means up to seven separate reasons a proposal needs assessment, and each is knowable before you commit. Get the property report first, brief a designer second.

What is the difference between the two area overlays?

The Character Area Overlay manages built form consistency — setbacks, roof form, materials, street rhythm. The Historic Area Overlay conserves the historic character of a defined area, and within it demolition of a contributory building is generally not supported.

Do they apply if my property isn't listed?

Yes. Both are area-based and apply to every property inside their boundary whether or not it is separately listed. On a suburb of large intact villas that often decides whether a project is a renovation or a rebuild.

What zones are mapped?

Business Neighbourhood, Established Neighbourhood, General Neighbourhood and Urban Corridor (Living). The corridor anticipates a different scale from the established residential land beside it, so check the parcels around you as well as your own.

How does tree protection work?

By trunk circumference rather than species. On large established gardens that is a real constraint on siting, and the council can confirm which trees on a property are captured before a design commits to a footprint.

What to ask a builder about a block in Unley Park

Each one is here because of something mapped in Unley Park. Take them to whoever quotes.

  1. 01

    Which of the 4 residential zones mapped in Unley Park covers this address, and what does that one permit that the others do not?

  2. 02

    Have you had an application through City of Unley where a heritage control applied, and how long did the assessment take?

Local landmarks in Unley 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 Unley Park, we say so. That is a real answer we give, and the empty builder list above is the proof we mean it.

Building in Unley Park?

Licence checked with Consumer and Business Services, insurance sighted, still trading, genuinely working in Unley Park. 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