Do I Need A Contract For Construction Consulting?

Priya runs a small construction consultancy in Auckland. A builder she knows asks her to review programme risks on a townhouse project, join a few site meetings and give advice as needed. It feels straightforward, so they agree to start on a handshake.

Three weeks later, the builder wants extra design coordination, the architect is blaming Priya for delays, and no one agrees whether her weekly emails were formal advice or just general comments. Her first invoice is still unpaid.

If this sounds familiar, you're not alone. Construction consulting often starts with trust and urgency, but the risks can grow quickly once scope, timing, defects, health and safety and payment all overlap.

A written contract doesn't need to be over the top. It just needs to make the deal clear before you start work.

Do I Need A Contract For Construction Consulting?

Yes, you should have a written contract for construction consulting before you start work, especially if your advice may affect project timing, cost, compliance or safety.

A handshake agreement can still be legally binding in New Zealand, but the problem is proof. If you and the client later remember the job differently, you may struggle to show:

• what services you agreed to provide
• what was outside your role
• when your advice was due
• what information the client had to give you
• how your fees were calculated
• when payment was due
• what happens if the project changes or stalls

Construction projects also involve many moving parts. Your advice may sit alongside the work of architects, engineers, builders, quantity surveyors, project managers and subcontractors. If something goes wrong, people often look for someone to blame.

Your contract is your best place to draw sensible boundaries around your role. For example, are you providing project management services, design advice, contract administration, health and safety consulting, programming advice, quality inspections or general strategic guidance? Those are different services with different risks.

A good construction consultancy agreement also helps your client. It tells them what they'll receive, what they need to provide, and when they'll need to pay. That clarity can make the relationship smoother from day one.

What Should A Construction Consultancy Agreement Include In New Zealand?

A construction consultancy agreement in New Zealand should clearly set out your scope, fees, responsibilities, liability limits and payment process.

There isn't one perfect document for every consultant. A structural engineering consultant, a quantity surveyor and a health and safety adviser won't need identical terms. Still, most agreements should cover the same core areas.

A Practical Fill-In Outline

You can use this outline to plan your terms, but don't treat it as a finished legal document. Construction contracts work best when they're tailored to your services, insurance position and the project risk.

1. Parties: write the correct legal names, NZBNs if available, addresses and contact people.
2. Project: identify the project, site address and any relevant stage of the build.
3. Services: describe exactly what you'll do, what you'll deliver and what is excluded.
4. Assumptions: list the information, access, plans, reports and decisions you need from the client.
5. Timing: set milestones, meeting dates, review periods and what happens if others cause delay.
6. Fees: state whether you charge fixed fees, hourly rates, day rates, milestone fees or a retainer.
7. Expenses: explain travel, accommodation, printing, specialist software or third-party costs.
8. Variations: set a process for approving extra work before you do it.
9. Payment: set invoice timing, due dates, late payment consequences and any Construction Contracts Act process if relevant.
10. Health And Safety: spell out your role and what remains the client's or principal contractor's responsibility.
11. Liability: include proportionate limits, exclusions and any insurance-backed cap where appropriate.
12. Intellectual Property: say who owns reports, templates, drawings, data and tools, and what licence the client gets.
13. Confidentiality And Privacy: cover project information, personal information and how records will be handled.
14. Termination: set when either party can end the engagement and what fees are payable for work already done.

If you're working for a residential client, you should also be careful with the Fair Trading Act 1986 and the Consumer Guarantees Act 1993. If you're contracting business-to-business, some consumer guarantees can be contracted out of, but only where the law allows it and the wording is fair and clear.

How Does A Contract Help With Scope Creep And Delays?

A contract helps with scope creep and delays by giving you a clear process for changes, extra fees and revised timelines.

Scope creep is one of the biggest issues for construction consultants. A client may first ask you to review a programme, then ask you to attend weekly site meetings, review contractor claims under the head contract, comment on defects and manage design coordination. Each request might sound small on its own, but together it can turn into a different job.

Your terms of business should say what happens when the client asks for extra work. A simple variation process might include:

• the client must request extra services in writing
• you'll confirm the extra scope, fee and timing before starting
• urgent extra work may be charged at your usual hourly or day rate
• project deadlines move if the client changes scope or delays approvals
• you aren't responsible for delay caused by missing information, other consultants, subcontractors, contractors or site access issues

Let's go back to Priya. Her original quote was $4,800 plus GST for a programme risk review and two meetings. The builder then asked her to attend four extra meetings and review 12 subcontractor delay claims. Her terms said extra meetings were charged at $220 plus GST per hour, with email approval enough for urgent variations.

Because Priya had those terms in writing, she could send an invoice for the agreed $4,800 plus GST, plus 14 extra hours at $220 plus GST. More importantly, the client couldn't easily argue that the extra work was included in the original fee.

That doesn't mean every client will pay happily, but it puts you in a much stronger position and often prevents the argument from starting.

Who Is Responsible For Defects, Compliance And Health And Safety?

It depends on your role, but your contract should make clear that you're only responsible for the services you've agreed to provide.

Construction consulting can sit close to high-risk issues: defects, building compliance, site safety and contractor performance. If your agreement is vague, a client may assume you're taking responsibility for more than you intended.

Under the Health and Safety at Work Act 2015, businesses have duties so far as is reasonably practicable. Depending on your role, you may be a PCBU with your own health and safety duties. But that doesn't automatically make you responsible for the principal contractor's entire site, the builder's work methods or another consultant's design.

Your contract should be honest and specific. For example:

• if you're doing visual quality inspections, say whether you're inspecting all work or only selected items
• if you're giving compliance comments, say whether you're providing formal certification or general observations
• if you're advising on health and safety systems, say whether you're preparing documents, auditing compliance or supervising site safety
• if you're relying on drawings, geotechnical reports or engineer input, say that your advice depends on the accuracy of that information

You should also avoid promising outcomes you can't control. For example, saying you'll "ensure the project is compliant" may create a bigger obligation than you mean. It may be safer to say you'll provide advice within your stated scope, based on the information supplied.

If your work touches the Building Act 2004, building consent conditions, producer statements or professional certification, get tailored advice before you sign. The words you use can affect your liability and insurance position.

Can I Limit My Liability As A Construction Consultant?

Yes, you can often limit your liability in a construction consultancy contract, but the limit needs to be carefully drafted and suitable for the job.

Liability clauses matter because construction losses can be much larger than your fee. A $3,000 review may later be connected to delay costs, rework costs or professional fees many times that amount.

Common ways to manage consultant liability include:

• a liability cap: for example, liability capped at a set amount or at the amount recoverable under your professional indemnity insurance
• excluding indirect losses: such as loss of profit, loss of opportunity or project financing costs, where appropriate
• limiting reliance: making clear that only the client can rely on your report, unless you agree otherwise in writing
• stating assumptions: tying your advice to the information you were given
• excluding responsibility for others: saying you're not liable for contractors, designers, certifiers or consultants you don't control
• proportionate responsibility wording: aiming to make you responsible only for the loss caused by your own breach or negligence

These clauses aren't magic. They need to fit the type of client, the nature of the work and the law that applies. Some liability can't be excluded, and wording that's too aggressive may create commercial pushback or problems under consumer protection laws.

Your insurance also matters. If your contract promises more than your policy covers, you may be taking on uninsured risk. Before agreeing to broad indemnities, unlimited liability or fitness-for-purpose promises, check your professional indemnity and public liability cover.

Be especially careful if a client sends you their standard consultant appointment terms. Large contractors and developers often use terms that shift substantial project risk onto consultants. You don't have to accept every clause just because it's in their template.

What Happens If My Construction Consulting Invoice Isn't Paid?

If your invoice isn't paid, your written contract may help you recover payment and use clearer payment processes, including under the Construction Contracts Act 2002 where it applies.

Start with the basics. Your agreement should say:

• when you can invoice
• what each invoice must include
• how many days the client has to pay
• whether GST is added
• whether you can pause work for non-payment
• whether interest or recovery costs apply
• what happens to your reports or work product if fees remain unpaid

For some construction consulting services, the Construction Contracts Act 2002 may apply. The Act covers construction work and related goods and services. Related services can include things like architectural, design, engineering and quantity surveying services. If it applies, it gives you a structured process for payment claims and payment schedules.

If you want to use that process, your payment claim needs to be prepared properly. A payment claim must be in writing, identify the construction contract, identify the construction work or services and the relevant period, state the claimed amount and due date for payment, indicate how the claimed amount was calculated, state that it's made under the Construction Contracts Act 2002, and be accompanied by the required information explaining the response process and the consequences of not responding or not paying.

If the payer disagrees, they generally need to respond with a payment schedule within the timeframe set by the contract or, if there isn't one, the timeframe under the Act. Because the consequences can be significant, it's worth getting the wording right before you rely on this process.

If payment is late, don't keep working indefinitely without a plan. First, check the contract. Then send a calm written reminder with the invoice, payment due date and any agreed purchase order or approval. Keep records of approvals, timesheets, meeting notes, deliverables and all invoice follow-ups.

If the matter turns into a dispute, those records can make it much easier to show what was agreed, what work was done and when payment became due.

How Much Does It Cost To Get Construction Consultant Terms Of Business?

It depends on the complexity of your services, but the main cost drivers are your risk profile, contract structure and how tailored the document needs to be.

You generally have three options.

Free Template

A free template can help you think through the basics, but it may miss construction-specific issues like payment claims, site safety boundaries, reliance on reports, design responsibility, defects, variations and insurance-backed liability caps.

The risk is that you only discover the gaps when a client refuses to pay or says you were responsible for something you never priced into the job.

Online Fixed-Fee Legal Support

An online fixed-fee option can suit small consulting businesses that want practical terms without open-ended hourly billing. You should expect the service to include a scoping call or questionnaire, tailored drafting, lawyer review by an appropriately qualified team member and a chance to ask questions before you use the document.

A fixed-fee quote can also help you decide whether the work makes sense for your business before going ahead.

Traditional Firm Billing By The Hour

A traditional firm may be a good fit for complex or high-value projects, especially where several construction contracts need to work together. Hourly billing can be useful for deep negotiation work, but it can be harder to predict the final cost if the scope changes.

Whichever option you choose, make sure your terms match how you actually work. If your document says you only provide written reports, but most of your advice is given in meetings and emails, your contract should deal with that reality.

Key Takeaways

• You should put your construction consulting terms in writing before you start, even if the client is someone you trust.
• Your contract should clearly define scope, exclusions, timing, variations, fees, payment and liability.
• Scope creep, delays, defects, health and safety responsibilities and unpaid invoices are the main risks to manage upfront.
• The Construction Contracts Act 2002 may help with payment claims for some construction consultancy services, but the process needs to be followed carefully.
• Liability limits should match your role, your insurance and the type of project you're working on.
• Templates can be useful starting points, but construction consultant terms usually need tailoring before they're safe to use.

If you'd like help with construction consultancy agreements, consultant terms of business, liability clauses or payment terms, you can reach us at 0800 002 184 or team@sprintlaw.co.nz for a free, no-obligations chat.