Who this guide is for
- Homeowners hiring one trade for a focused job
- People who have had scope creep or disputes before
- Anyone wanting comparable quotes from several tradespeople
- Owners coordinating a trade alongside other work
Define the scope precisely
The single biggest cause of trade disputes is a fuzzy line between what is and is not included. Spell out the exact tasks, the area involved and where the work starts and stops.
List what is explicitly excluded too, so nobody assumes extra work is part of the price.
- State exactly which tasks are included
- Define the area and where work stops
- List what is explicitly excluded
- Note who supplies materials
Sort access, timing and conditions
A trade needs to know how they reach the work, where they can set up, and what is happening around them. Tell them about parking, power and water, occupied rooms and any constraints.
Flag if other trades will be working at the same time so sequencing can be agreed.
Agree finishes and standards
Be clear about the finish you expect — the level of preparation, how edges and junctions are handled, and how the area is left. Showing a reference of the standard you want avoids mismatched expectations.
Confirm who handles making good and clean-up.
- Describe the finish standard you expect
- Show a reference image where possible
- Confirm who makes good and cleans up
- Agree how junctions and edges are handled
Identify the decisions only you can make
Trades stall when they hit a choice they cannot make for you — a colour, a layout call, a material. List those decision points up front and make them early so the job does not pause.
Agree how you will be reached if an unexpected decision comes up mid-job.
Put it in writing
A short written brief — scope, exclusions, access, finishes and decisions — gives both sides something to refer back to. It also makes quotes comparable when you ask several tradespeople.
Keep it simple but specific, and confirm it matches what you discussed on site.
- Write scope, exclusions and finishes down
- Share the same brief with each quote
- Confirm it matches the site discussion
- Keep a copy to refer back to
Hiring checklist
- 1Define the exact tasks included and excluded
- 2State the area and where work starts and stops
- 3Confirm who supplies materials
- 4Sort access, parking, power and water
- 5Flag other trades working at the same time
- 6Describe the finish standard you expect
- 7Confirm who makes good and cleans up
- 8List the decisions only you can make
- 9Put the brief in writing
- 10Share the same brief with each tradesperson
Common mistakes to avoid
- Leaving scope vague so extra work becomes a dispute
- Forgetting to state what is excluded
- Not sorting access, power and water before the trade arrives
- Assuming the trade will choose finishes for you
- Failing to make key decisions before work starts
- Briefing each tradesperson differently so quotes do not compare
When to involve a professional
- Route structural, electrical, plumbing, gas and waterproofing parts to qualified professionals
- Confirm a trade has relevant experience for the specific job
- Ask to see relevant licensing and insurance where applicable
- Agree who is responsible if work touches a regulated trade
- Remember trade requirements vary by location and project
Frequently asked questions
Questions readers ask about this topic
What makes a good trade brief?
A good brief defines the exact scope, what is excluded, access and conditions, the finish standard you expect and the decisions only you can make. Putting it in writing and sharing the same version with each tradesperson keeps quotes comparable.
How do I avoid scope creep?
Spell out precisely what is and is not included, including exclusions, before work starts. The clearer the line between in-scope and out-of-scope tasks, the less room there is for disputes mid-job.
Who supplies the materials?
That should be agreed in the brief — sometimes the trade supplies, sometimes you do. State it clearly so there is no gap on the day, and confirm who is responsible for material quality and quantity.
What if the work touches plumbing or electrics?
Those parts should be planned with qualified professionals rather than left to a general trade. Agree responsibility up front, and remember requirements for regulated trades vary by location and project.
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