What's slowing tradies down — and what AI fixes
The single biggest complaint we hear from electricians, plumbers, builders, and HVAC firms is the time between site visit and sending a quote. A site assessment takes 90 minutes; the quote takes another 4 hours back at the office. By the time it's sent, the customer has accepted a competitor's faster reply.
A custom GPT for a trades business fixes this by drafting the quote on the way home from the job. The tradie speaks the scope into their phone; the GPT pulls in materials pricing from their supplier feeds, applies the firm's standard markup, formats it in the company's quote template, and emails a draft to the office for review and send-out.
Common builds for trades and construction firms
Quote Drafter
Voice-input scope on the way back from a site visit. Output: a fully formatted quote in your template with materials, labour hours, GST, and standard T&Cs. Goes to office admin for review.
Code & Standards Lookup
Foreman asks 'what's the AS/NZS 3000 minimum cable size for a 32A circuit at 30m?' and gets the answer with the standard cited. Saves an hour-per-week of flicking through binders.
Job Management Assistant
Connected to ServiceM8, AroFlo, simPRO, or Tradify. 'Which jobs are over budget and not yet invoiced?' — answer in 2 seconds with job numbers.
Customer FAQ Bot
Plumbers, electricians, and HVAC firms get the same 30 questions over and over. A website assistant answers 'do you do emergency callouts?', 'are you Master Plumber accredited?', 'what's your minimum service fee?' 24/7.
Standards and codes the GPT can read
- National Construction Code (NCC) Volumes 1, 2 & 3 — current 2022 edition with 2026 amendments
- AS/NZS 3000 Wiring Rules — 2018 edition with all amendments
- AS/NZS 3500 Plumbing & Drainage — all parts, current versions
- State Master Builders price guides — for materials and labour benchmarking
- WHS regulations (state-specific) — Code of Practice extracts for high-risk construction work
Where the wins land
A 14-person electrical contractor in Western Sydney shortened average quote turnaround from 4.2 days to 1.1 days. Their conversion rate on quotes lifted from 31% to 47% in the first quarter — not because the quotes were better, but because they arrived before the customer had time to call a competitor. A residential builder in Adelaide using the NCC lookup tool reported their site supervisors making 40% fewer 'I'll have to check the code and get back to you' phone calls per week.
Built for the field, not the office. The voice-input front-end is designed for someone driving back from a job in a ute. No typing required. The GPT works with road noise. The draft hits the office inbox before the tradie gets there.
Frequently asked questions
Can it really draft accurate quotes from a voice memo?
Yes — for the 80% of quotes that follow your firm's standard scope patterns. Custom kitchens, multi-stage commercial fitouts, and unusual jobs still need office input. We tune the GPT against your last 100 quotes so the markup, hourly rates, and T&Cs match exactly.
Does it integrate with ServiceM8 or simPRO?
Yes. Both have public APIs we use for read-only access to job data, customer records, and quote templates. AroFlo, Tradify, and Fergus also have integrations available. We can also work with your custom-built systems.
How does it know current materials pricing?
We connect to your supplier portals — typical examples: Reece, Tradelink, MMEM, Lawrence & Hanson, Middys. The GPT pulls live trade-account pricing so quotes don't go out at last quarter's prices.
Will it work for commercial construction, not just residential trades?
Yes — but the build is more complex. Commercial work typically needs PCG (project control group) reporting, defect register summaries, and progress claim drafting. We've deployed for civil contractors and tier-2 builders; the implementation runs 6–10 weeks instead of 3–4.
Ready to build your custom GPT?
Get a free 30-minute scoping call. We'll map your use case, data sources, and ROI before you commit.
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