The Knowledge Archive

55 Guides.
One Foundation.

Each guide takes two or three minutes. Read what matters to your build, in the order that matters to you.

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All fifty-five guides, listed by topic. Hover any title to see the guide, click to open it.

01

Cooling-Off Rights

The builder has emailed the contract. The price looks right. You are worried that if you do not sign quickly, the construction slot might disappear. So you sign and tell yourself…

02

Deposit Caps and Upfront Payments

You have chosen the builder and are ready to proceed. The next request may be for a deposit or another upfront payment. At that point, enthusiasm can make payment feel like a…

03

Progress Payments

Introduction A progress claim arrives in your inbox. The amount is substantial. The builder says the project has reached the next stage. It can feel as though paying is simply the…

04

Practical Completion

The house looks finished. The floors are down, appliances are installed and the builder says it is time for Practical Completion. You are ready to move in - but you have also…

05

Variations

Introduction You are three months into construction and decide to make several apparently small changes. Then the variation arrives. The additional cost is more than expected and…

06

Extensions of Time

Introduction When you sign a building contract, one of the questions you care about most is simple: when will the house be finished? Then construction begins and the date starts…

07

Damages: The Builder’s Claim Against You

Most homeowners know they might claim against a builder for delay. Fewer realise that a building contract can allow the builder to claim against the owner - for example where the…

08

Statutory Warranties

A few weeks after handover you notice cracking. Later, water appears where it should not. You wonder whether the builder's short defects period has expired and whether you have…

09

Building Indemnity Insurance

You have signed a contract worth hundreds of thousands of dollars. The builder tells you there is Building Indemnity Insurance. That sounds reassuring - and it should. But what…

10

HIA vs MBA Contracts

HIA and MBA are the two main standard-form residential building contracts used in South Australia. They are not the same, and the differences can affect your rights. Two different…

11

Dispute Resolution

When a building disagreement hardens into a dispute, many homeowners assume Consumer and Business Services (CBS) is the answer. In practice, the CBS process has both strengths and…

12

Defects Liability Period vs Statutory Warranty

The contractual defects liability period and the statutory warranty are related protections, but they are not the same. Mixing them up can mean chasing the wrong remedy at the…

13

Rise-and-Fall Clauses

The words 'fixed price' are reassuring. But the title on the contract does not tell you every circumstance in which the price can move. In periods of changing labour and material…

14

Owner-Builder Risks

Owner-building can save money on paper, but the risk profile is very different in practice. As an owner-builder, protections that come with a licensed builder may not apply. South…

15

Builder Insolvency

If your builder becomes insolvent mid-build, the consequences can be significant. A separate guide explains Building Indemnity Insurance in detail, including policy limits and how…

16

Retentions and Final Payments

The final payment is often the only real practical leverage a homeowner feels they have. Many homeowners assume they can simply hold back part of it until defects are fixed. In…

17

The Form 1 Notice

In South Australia, the cooling-off period runs from when you receive a valid Form 1 notice - not from when you sign. If you do not know the timer has started, five business days…

18

Cost-Plus Contracts

The builder tells you the renovation is too difficult to price accurately as a fixed lump sum. There may be hidden conditions behind walls and under floors, and the design will…

19

Prime Cost Items and Provisional Sums

Introduction Prime Cost Items and Provisional Sums are common contractual allowances. Understanding how they operate is essential before signing. Prime Cost Items Usually…

20

The Builder’s Right to Claim Variations

Some building contracts allow the builder to claim additional costs where something turns out to be more complicated than quoted. The question is whether your contract defines…

21

Notice Periods

Many building contracts require you to give written notice within a set number of days if you want to dispute something - a defect, a delay or a variation you did not agree to.…

22

Defects After Handover

You move in and discover problems - water ingress, cracking, doors that do not close. Getting the builder back requires knowing what the contract says, what the defects liability…

23

Contract Provisions on Delays

The slab is down. The frame goes up. Then, for several days, nobody appears on site. A week later the builder tells you a trade has been rescheduled. Rain follows. A window…

24

Independent Legal Advice

A building contract is one of the largest financial commitments most people make. Getting independent advice before signing is far cheaper than resolving a dispute afterwards. The…

25

Quote vs Contract

A quote tells you what the builder thinks the job will cost. A contract is what binds you both. The two numbers are not always the same, and once you sign, the contract governs. A…

26

The Builder’s Right to Suspend Work

Most homeowners think about their own rights if the builder underperforms. Fewer realise the builder usually has contractual rights of its own - including the right to suspend…

27

Termination Rights

Nobody signs a building contract expecting the relationship to end in default or termination. Yet the clauses dealing with dispute, suspension and termination can become some of…

28

Insurance During the Build

The builder’s insurance covers the builder’s liability. It does not necessarily cover your interests as the owner. Some cover during construction may be yours to arrange. The…

29

Unexpected Site Conditions

The excavation begins and something unexpected is found: rock, uncontrolled fill, groundwater, old footings or unsuitable soil. Suddenly a fixed-price build can face a substantial…

30

Subcontractors and Responsibility

If a subcontractor does defective work, your contract is with the builder, not the subcontractor. The builder is responsible for the work of everyone they engage. Your contract is…

31

Contract Price vs Final Price

Introduction The contract price is the figure you agree to when you sign. The final price is what you actually pay by the time the home is finished. On many builds the two are not…

32

Rise-and-Fall and Materials Costs

A companion guide explains what a rise-and-fall clause is. This guide focuses on how material cost movements in particular can flow through to the amount you pay. Material…

33

Sunset Clauses

A sunset clause sets a date by which the contract must be completed or can be terminated. In some contracts, if that date passes - even where the delay was the builder’s fault -…

34

Changes to Plans After Signing

Introduction Your plans and specifications are not merely design documents - they form part of the legal agreement between you and your builder. Why Detail Matters Unclear…

35

Who Owns the Plans

If the builder drew the plans, they may own the copyright. Without an assignment of that intellectual property, you may not be able to use the plans for future renovations,…

36

Progress Payments and Paying Ahead

A builder may ask you to pay quickly to keep trades moving or secure materials. Most homeowners want to cooperate. The danger is allowing cooperation to turn into payment…

37

Latent Conditions

A separate guide deals with unexpected site conditions generally. This guide focuses on latent conditions - physical conditions that could not reasonably have been discovered…

38

Practical Completion and Handover

Practical Completion does not mean the home is finished, but it is the milestone that ordinarily triggers the handover process and the commencement of the defects liability…

39

When the Builder Abandons the Site

A quiet site is not always an abandoned one, but sometimes a builder genuinely stops performing without formally terminating. What you can do depends on the contract and the law.…

40

Reading the Contract Yourself vs Having a Lawyer Read It

Reading it yourself is not the same as understanding it. A separate guide explains why independent legal advice matters. This guide explains what a contract review actually…

41

Understanding Residential Building Contracts in South Australia

Introduction Signing a residential building contract is one of the most significant legal commitments most homeowners will ever make. The contract you sign will determine how your…

42

Choosing the Right Builder

Introduction Choosing the right builder is about far more than selecting the lowest price. The builder, the contract and the supporting documents work together to determine how…

43

Engineering Reports and Soil Tests

Introduction Engineering reports and soil tests are not just technical documents. They influence footing design, construction methods, cost and risk allocation. Why They Matter…

44

Special Conditions: The Contract Behind the Contract

Introduction You have worked through the plans. You have compared the price. You may even have read the standard printed conditions. Then, near the back of the contract, you find…

45

Demolition, Asbestos and Boundary Risks

Renovations, extensions and knock-down rebuilds begin with an existing site, not a blank sheet. Demolition, hazardous materials, neighbouring property and uncertain boundaries can…

46

Independent Inspections During Construction

Most homeowners cannot look at reinforcement, framing, waterproofing or flashing and confidently decide whether it complies. Independent inspections can provide another set of…

47

Compliance Certificates and Handover Documents

At the end of the build, attention naturally turns to keys and moving in. But a completed home should also come with a documentary history: approvals, certificates, warranties,…

48

Finance Approval, Construction Loans and Funding the Build

A building contract and a construction loan operate alongside each other, but they are not the same agreement. Your builder is governed by the building contract; your lender is…

49

Defects During Construction: Finding Something Wrong Does Not Automatically Mean Stopping the Build

You visit the site and see something that does not look right. A wall seems out of line. Waterproofing looks incomplete. A window is in the wrong position. Your instinct may be to…

50

Communication and Record Keeping: How to Stay Practical, Cooperative and Protected Throughout Your Build

Most building disputes do not begin with a solicitor's letter. They begin with a conversation. A homeowner asks a supervisor to move a power point. A site manager says a product…

51

Site Access and Your Own Trades

This guide covers how site access and your own trades are managed during construction. You may want your own electrician to install a feature, a family member to landscape, or a…

52

Inclusions, Exclusions and Owner-Supplied Items

Two quotations can show the same headline price while describing very different homes. The difference is often buried in what is included, excluded, allowed for or left to the…

53

Approvals, Pre-Construction Conditions and the Start Date

Signing the contract does not necessarily mean construction starts next week. Between signature and excavation there may be finance, approvals, engineering, selections, insurance…

54

The Contract Documents and Order of Precedence

Plans, specifications, schedules and Special Conditions only work if you know which documents form the deal You remember agreeing to one thing. The plan appears to show another.…

55

Variations: Changes to Scope, Price and Time

A small change to the house can become a much larger change to the contract You are standing on site and realise the kitchen would work better with another power point. The…

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