By Greg Allan, tradesman and creator of Data First Coaching
Why doesn't a full service calendar always mean more profit for a gasfitter?
A busy diary full of safety checks, compliance certificates and appliance servicing feels like growth, but it only is if the margin on those visits is holding up. Most gasfitters set a callout fee once, early on, and never look at it again while fuel, parts and compliance paperwork all get more time consuming. More recurring work booked at that old rate is not growth, it is just more hours worked for the same thin return.
The trap is that the P&L can still look fine. Revenue is up because the calendar is fuller. What it hides is that every extra safety check or pressure test is adding turnover without adding much actual profit, because the pricing underneath it never moved.
What does a markup on a regulator or bayonet fitting actually deliver?
A fifty per cent markup on a regulator or bayonet fitting feels like a fifty per cent margin, but it is closer to a third once it is worked through properly. A gasfitter pricing recurring servicing jobs off markup alone, rather than margin, is quietly underpricing every repeat visit without knowing it.
This matters more as servicing volume grows, not less. A single appliance install with a healthy markup on parts can absorb a pricing mistake. A regular run of safety checks and compliance certificates, each one slightly underpriced the same way, compounds that mistake across every repeat customer on the books.
Where does the real cost of a service visit go missing on the books?
The labour time spent on a pressure test, a flue check, leak detection or writing up a compliance certificate often gets buried under general overhead instead of being booked as a direct cost of that job. That makes gross profit on each service visit look healthier on paper than it actually is, and it is the same mis-booking fault that quietly inflates reported margin across trades.
For a gasfitter, this shows up specifically around carbon monoxide checks on heaters, hot water units and cooktops, where the safety work and the paperwork can take as long as the fitting itself but rarely gets costed that way.
What number tells a gasfitter the truth about a service visit?
The number that matters is gross profit margin on each type of service job, checked at the point of quoting, not once a quarter in the books. It has to include the regulator or bayonet part, the travel, the pressure test or leak detection time, and the time spent on the compliance certificate, because leaving any of those out makes a thin job look fine.
This is a data first way of pricing, because last month's numbers on parts costs and job mix will not tell you the truth about this month's service run. Parts prices move, travel patterns change as the run grows, and a job that was profitable in winter on heaters and hot water units may not be once the calendar fills with cooktop and natural gas appliance servicing through a different season.
How can pricing itself build repeat work, rather than just marketing it?
Picture a gasfitter whose service calendar fills every spring with safety checks and compliance certificates ahead of winter, when heater and hot water servicing picks up again. The volume looks like good news, but the margin on it does not move with demand, because every visit is still priced as if it were a quiet week in the middle of the year.
So the business sets a separate price for service and safety check jobs through its peak months, from October through to April, and explains the difference to customers on the phone as a reason to book outside the rush. It also stops taking low margin supply only work, fitting and warrantying only the appliances and parts it supplies itself. The calendar does not get any less full. What changes is that every repeat visit on it is actually worth having.
How do AI agents change the office work behind recurring servicing?
An AI agent is software that does a piece of office work the way you would do it yourself, using your prices, your wording and your rules. For a gasfitter chasing recurring servicing work, that can mean a check run against every service quote before it goes out, comparing it to true margin rather than last year's callout fee, and flagging a job that is priced on an old parts cost before it leaves the office.
AI agents can also handle the booking side of repeat work, following up safety check and compliance certificate renewals on the schedule you set, in your wording, without someone trawling the diary every month to see who is due. That frees the licensed hands on the job, not an office person, to spend their time on the gas line, the meter, the install and the customer, rather than chasing paperwork.
Can off-the-shelf service and booking apps handle this for you?
Some off-the-shelf booking and job management tools suit a gasfitter well, particularly for scheduling and reminders, and the owner's own data is what shows which ones earn their place. What most of them cannot do is price a service visit on your own true margin, because they were built for every trade at once, not shaped around a gasfitter's compliance certificate, pressure test and callout structure.
The choice many gasfitters eventually face is between renting a tool built for everyone, or having something built around how their own jobs and customers actually work. Neither is automatically right, the data from the business is what settles it.
How does Data First Coaching approach this?
Data First Coaching starts from the gasfitting business's own numbers, through the Trade Business Intelligence, rather than from a general rule about recurring work. It looks at margin by job type, not just revenue, to find out whether growing service volume is actually building profit or just building hours, and where the real gap sits between parts, labour and paperwork. As Greg puts it, “Pricing isn't just about covering your costs, it's about building in profit.” The how, the pricing structure, the agents, the build, is worked through inside the Academy, with members, because the Trade Business Intelligence is powered by every member who is open minded, innovative and willing to share what they learn.
