AI automation for plumbers: how UK plumbing businesses are converting more quotes and chasing fewer invoices
The two biggest admin drains for UK plumbers are quotes that go cold and invoices paid late. There are tens of thousands of registered plumbers in the UK, making it the largest single trade, and most lose jobs not on price or quality but because a competitor followed up and they did not. AI automation handles both problems: a quote follow-up sequence triggers automatically when a quote is sent, and an invoice reminder sequence runs from the due date without the plumber making an awkward call.
How does quote follow-up automation work for a plumbing business?
A typical plumbing quote for a bathroom installation or boiler replacement sits between £150 and £500 for smaller jobs and several thousand for larger projects. When that quote goes out and hears nothing back, the job has often gone to whoever followed up first. An automated sequence sends a message 24 hours after the quote, another at day 3, and a final at day 7. It stops as soon as the customer responds. Tool: Make.com connected to Gmail and Xero. Cost: from £9 per month for Make.com.
How to handle emergency enquiries automatically when you are on a job
A burst pipe call at 2pm on a Thursday is a job worth £300 minimum. If nobody picks up, the homeowner calls the next number. An automated SMS reply sent within 60 seconds of a missed call acknowledges the enquiry, asks for a brief description of the problem, and gives an estimated callback time. The homeowner knows they have been heard. The plumber gets the job details before calling back. The competitor who did not pick up gets nothing.
How to automate invoice chasing without damaging customer relationships
Chasing an invoice manually feels personal and uncomfortable. Chasing it automatically does not. A sequence triggered from Xero or QuickBooks sends a polite reminder 3 days before the due date, a prompt on the day, and a firmer message at 7 days overdue. The tone is set once; the system handles the timing. Plumbers using automated invoice chasing typically see payment times improve noticeably, which adds up quickly when multiple jobs are outstanding at once.
What does it cost and how quickly does it pay for itself?
Make.com starts at £9 per month. If you use Tradify or Commusoft for job management, both connect to Make.com. A three-workflow package set up by a specialist takes roughly 30 days to go live. If the first recovered quote is worth £300 and the first invoice paid on time instead of 3 weeks late represents £500, the system pays for itself in the first month. Setup fees for done-for-you implementation run from £395.
Frequently asked questions
I mostly get work through word of mouth. Do I still need this?
Word of mouth gets the enquiry. Automation converts it. A referral who calls and gets no response quickly calls someone else. Automated follow-up gives referred leads the same prompt response as a paid lead.
What if I use a job management app like Tradify or Commusoft?
Both integrate with Make.com. Tradify connects via its API; Commusoft connects via email triggers or webhook. A specialist can map the integration during setup.
Can it send WhatsApp messages?
Yes. Make.com connects to WhatsApp Business via the Meta Cloud API. Setup requires a verified WhatsApp Business account, which takes a few days to approve.
Is setup complicated?
Make.com is a visual, no-code tool. Basic sequences can be built in a few hours. A done-for-you service handles everything from connecting your tools to testing the flows before they go live.
Cortel runs a fixed-fee Business Efficiency Audit for UK plumbing businesses that identifies the three workflows worth automating first, with specific tool recommendations, delivered within 3 working days. Book a free 20-minute call.
Chasing overdue invoices? Get our free invoice-chasing checklist for UK trades: 12 steps, 3 ready-to-send message tones and an escalation ladder. Get the free checklist.