This isn't finger-pointing. Every plumbing business we tracked was flat out. The owners were on jobs, the apprentices were learning, and calls just... went to voicemail. That's the industry. The question is: what does that cost?
The Data
We tracked 2,347 inbound calls across 12 plumbing businesses in QLD and NSW over 3 months. Here's what we found:
That's 540 calls nobody answered. Some businesses hit 35% during winter (peak job season).
The rest rang a competitor. Cold hard truth.
When a real person (or reliable AI) picked up in the first 2 rings, booking rate was 67%. After 4 rings, it dropped to 41%.
When Were Calls Missed?
The timing tells you something. Missed calls clustered in 3 windows:
1. Lunch break (11:30am–1:00pm). Obvious. But here's the thing: homeowners with leaking taps don't care when your team eats. If they reach voicemail, they've already dialled your competitor.
2. On-site jobs (2:00pm–5:00pm). Your crews are busy. That's good. But it means your phone line goes dark for hours. A single job call during a 3-hour site visit could be worth $4,480 (we saw this exact scenario with an emergency blockage). One call. One afternoon. Lost to someone who answered.
3. After hours (6:00pm–8:00am next day). 18% of all calls came after business hours. Most were voicemail. But 43% of those after-hours callers said they'd have paid premium rates for immediate help. That's your margin.
The Real Cost: The $4,480 Job
One of the businesses in our data set lost a job. Here's the story:
Wednesday, 2pm. A homeowner in Coogee needed an emergency drain blockage cleared. She called 3 plumbers. First two rang out to voicemail. Third answered. That plumber quoted $4,480, the job took 4 hours, and the work was solid. The customer was happy.
The first plumber who missed the call? He was on another job site. By the time he called back at 3:30pm, the customer had already booked someone else.
One missed call. One afternoon. $4,480 gone.
Multiply that across a year. If you're losing just 2 jobs per month to voicemail, that's $107,520 in annual revenue walking to your competitor. Not potential revenue. Actual revenue you lost.
But People Do Call Back, Right?
Some do. 12%, remember. And they're calling back annoyed. The voicemail made them feel like you don't care. They're already mentally comparing you to the person who picked up. You've got 30 seconds to book them. Most plumbers are good at that. But you're starting in a hole.
When calls go straight to a person (or a reliable system that sounds like one), booking rate jumps to 67%. When they hit voicemail first, it drops to 41%. That's a 26-percentage-point gap.
What Can You Actually Do?
You've got 3 real options:
Option 1: Hire more staff. Full-time receptionist runs $55–65k/year plus super and leave. You need to answer 540 more calls just to break even financially. Most won't justify it.
Option 2: Answer everything yourself. Work-life balance goes out the window. You'll burn out. Your crew will resent you for constant interruptions.
Option 3: Use AI that actually works. A system that answers immediately, books jobs, and rings you when it matters. No wage. No leave. Answers at lunch, on jobs, after hours.
The data is clear: if you're missing 23% of calls and each miss costs you 1% of annual revenue (conservative estimate), you're leaving $50–100k on the table every year.
That's not a typo. That's what the numbers say.
Ready to Stop Leaving Money on the Table?
CallSorted.ai is built for plumbing businesses that can't afford to miss calls. It answers your phone 24/7, books jobs, and gets you details before you even call back. No setup fees. No long contract. Just start answering more calls and watch your booking rate move.