Boiler Lead Generation UK | Installation & Replacement Leads

Boiler lead generation for installers and heating firms

Boiler lead generation is the highest-value corner of the plumbing market and the one most agencies handle worst. A boiler replacement is a £2,000–£4,500 decision made over one to three weeks, usually with finance involved, often triggered by a breakdown in the first cold snap. The lead is only useful if it arrives with the property type, current fuel and system, the trigger, and whether the homeowner needs finance — otherwise your engineer spends an hour on a survey that was never going to close.

By Deepak Shukla · Last reviewed 2026-09-10

Qualifying boiler installation and heating leads

Heating enquiries differ from emergency leaks or general domestic plumbing. Before taking on spend, agree whether the campaign targets repairs, replacements, servicing or commercial heating work and how it is passed to the qualified engineer.

Check the type of heating work

Capture replacement versus repair, fuel type, property type and approximate timing. Ask about the existing system and whether an initial survey is required to provide a meaningful quotation.

Confirm registration and coverage

For gas work, only an appropriately Gas Safe registered business and engineer should undertake the relevant work. Do not claim a registration, accreditation or competency the actual contractor cannot document.

Separate enquiry value from booked revenue

Count accepted enquiries, surveys attended, quotations and installations separately. Qualified lead pricing and campaign scope should reflect postcode competition and the economics of the target job.

For gas work, check the contractor directly against the Gas Safe Register.

What a boiler lead must tell you before the survey

Qualification is the whole game here. We capture and verify the detail that decides whether a survey is worth an engineer's afternoon, and pass it through with the enquiry.

Property type, age and number of bathrooms
Current boiler make, age and fault, and whether it is combi, system or back boiler
Fuel type — mains gas, LPG, oil, or an electric or heat pump conversion
Trigger: breakdown, planned upgrade, house move, or landlord compliance
Whether finance is needed, and whether the homeowner owns the property
Timescale — this week, this month, or planning for autumn

Seasonality decides the budget, not the other way round

Boiler demand is brutally seasonal. Searches for replacement and breakdown climb from late September, peak with the first sustained cold week, and fall away by March. Firms that build their visibility in July and August own the autumn; firms that start advertising in November pay double for the same click and land behind the national installers. We plan campaigns against that curve rather than a flat monthly spend.

Competing with the national installers

British Gas, Octopus and the boiler-in-a-box brands outspend every independent installer on paid search and dominate the finance-led comparison journey. Independents win on three things instead: a named local engineer with a verifiable Gas Safe number, a same-week survey when the nationals quote three weeks, and a transparent fixed price on the page rather than a form-gated estimate. Every campaign we run leans on those three, because they are the ones the nationals structurally cannot match.

Grants, heat pumps and where the market is moving

The Boiler Upgrade Scheme has pushed a growing slice of enquiries toward heat pumps and hybrid systems, and that traffic behaves differently — longer research, more grant questions, higher install value. If you are MCS certified we treat it as a separate campaign with its own qualification, because mixing heat pump and gas replacement enquiries in one funnel wastes both.

Who we generate boiler leads for

Boiler campaigns work when the survey-to-install process is tight. We check that:

Gas Safe registered, with the registration number displayed and verifiable
Surveys booked within five working days of the enquiry, sooner in peak season
Fixed written quotes issued within 48 hours of the survey
Finance available, or a clear position on why not
Capacity for at least eight to ten installations a month through the winter

If you only do repairs and services rather than replacements, the economics do not work — repair leads are cheap to generate but the job value will not carry a lead-generation budget. Pay-per-call is the better fit.

Frequently asked questions

How much does a boiler installation lead cost?

Typically £80–£180 for an exclusive, qualified boiler replacement enquiry. At a £3,000 average install value and a 30–40% close rate on properly qualified leads, that is a cost of sale most installers are comfortable with.

Are boiler leads shared with other installers?

Not ours. Every enquiry is exclusive. The comparison sites that dominate boiler search work the opposite way — they sell one homeowner's details to three or four installers.

When should I start a boiler campaign?

July or August. Search and Google Business Profile visibility take six to ten weeks to build, and you want that in place before the first cold week rather than bidding against the nationals in November.

Do you generate heat pump leads as well?

Yes, for MCS-certified installers, and we run it as a separate campaign. Heat pump buyers research longer, ask about the Boiler Upgrade Scheme grant, and need different qualification from a like-for-like gas replacement.

Can you generate boiler service plan customers?

Yes. Service plans are usually sold to your existing install base through email rather than bought as cold leads, which makes them the cheapest recurring revenue available to most heating firms.