What a Plumbing Lead Actually Costs in 2026 (And How to Pay Less for Better Ones)
Cost per lead is a useful number, but only if you know how to read it. Here is the simple maths South London plumbers should do before spending another pound on enquiries.
Plumbers get pitched leads constantly: lead sites, directories, agencies, ad packages. Each one quotes a price per lead. The trouble is that a lead is not a job, and the price on the invoice is rarely the real cost.
Lead cost versus job cost
Start with the number that actually matters: what you spend to win one paid job. The formula is simple: total marketing spend divided by the number of jobs won. A cheap lead that never converts is expensive. A pricier lead that books half the time can be a bargain.
Work out your own numbers
- How much did you spend on marketing last month, including your own time on it?
- How many enquiries came in?
- How many turned into quotes, and how many quotes turned into paid jobs?
- What is the average profit on a job, not the average invoice?
Once you have those four answers you can see how much you can afford to spend to win a job and still be well ahead. Many plumbers have never worked this out, which is why they either overspend or refuse to spend at all.
Why some leads cost more than others
An emergency call-out, a boiler replacement and a bathroom refit are very different leads. The value of the job, how many competitors are chasing it and how quickly the customer wants it all change what a sensible price looks like. A boiler replacement lead can justify a higher cost than a small repair, because the job is worth more.
Shared leads versus your own
Leads sold to several tradespeople at once put you in a race, often against people who will undercut you. Enquiries from your own Google profile or website usually go to you alone. They take longer to build, but over time they tend to be cheaper and better quality.
How to pay less for better ones
- Fix your Google Business Profile and reviews first. This costs almost nothing.
- Track where every enquiry came from, even with a simple note on a spreadsheet.
- Reply fast, since a slow reply wastes the lead you already paid for.
- Spend only where the numbers show jobs, and stop what does not.
A good lead is one that turns into profitable work. Measure that, and your marketing becomes a decision you can make with confidence.
Want to know what your leads really cost?
We help South London plumbers work out their real cost per job and where to spend to lower it. Book a free 20-minute call and bring your numbers.
