Boiler servicing and pre-season checks: a trade where the law books the work
Homeowners and landlords only call once the heating dies. A check booked well ahead gives them a slot, a record and no scramble.

The model rests on the fact that much of the work around a boiler and its wet system is required by law and repeats on a fixed cycle, so you are serving demand rather than creating it. The money comes from a regular customer base you book ahead and spread across the year, not from one-off emergency call-outs at the peak. The hard part is not finding customers but earning the right to do the work: gas work is closed to anyone outside the register, and getting there means time on the tools and assessed competence.
At the first cold snap everyone rings at once. A homeowner works down the search results and hears the same line from every firm — the next free slot is weeks away. When the boiler finally gives up in the middle of winter, all that is left is an emergency call-out that costs a fortune and patches the symptom. A landlord has it worse: without a valid safety record they cannot legally hand the keys to a new tenant.
💡 Why it works
🧾Demand comes from the law, not from the weather
Landlords must have the gas appliances and flues they provide checked by a registered engineer on a fixed cycle, hand the record to the tenant and keep it on file; appliances the tenant owns and may take with them fall outside that duty. They are not buying a service, they are buying compliance and the paperwork that proves it — demand you never have to manufacture.
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