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Reduce cost per lead

Paying too much for each lead? How to reduce your cost per lead

To reduce cost per lead, find why it’s high first: the wrong traffic, a landing page that loses people, or counting the wrong things. Two sit outside the ad account.

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Search terms review

Example
  • emergency plumber near meKeep
  • plumber jobsExclude
  • how to fix a leaking tapExclude
  • boiler repair same dayWatch

Searches that will never buy get excluded, so the budget goes on the ones that do.

Example review with invented searches. It shows the weekly check that keeps ad spend on buyers.

Start here

Cost per lead is spend divided by leads. You can cut the spend or get more leads from it. Most accounts spend a year on the wrong half.

Most cost per lead work happens inside the ad account. But how many leads you get depends on the landing page, the offer, the form and what you count, which all sit outside it. Find the cause before you tweak anything.

Set the right target

Work out the most you can afford per lead

No benchmark works across industries. This one figure tells you whether your cost per lead is a problem at all.

The most you can afford per lead, shown as a formula multiplying three numbers.
Average deal value
What one won customer is worth, from your closed deals, not your price list.
Gross margin
What’s left after you do the job. A big deal at a thin margin pays for fewer leads than it seems.
Lead to customer close rate
The share of enquiries that become paid work. Halve it and the most you can pay per lead halves too.

Why it happens

Three reasons your cost per lead is high

You’re paying for the wrong traffic.
The search terms report nearly always holds a surprise: job hunters, students, suppliers, people after free versions. With broad match and automated campaigns, this traffic often never shows as a keyword you chose, so the account looks tidy while budget goes on people who won’t buy.
Your landing page loses people.
The traffic is right and the page loses it: slow on mobile, a headline that doesn’t match the ad, a form asking too much, an unclear offer, no phone number for people who’d rather call. Halve the loss and cost per lead halves at the same spend.
You’re counting the wrong things.
Newsletter sign-ups, PDF downloads and three-second phone clicks all count as leads. Or a form stopped tracking after a site update, so enquiries arrive uncounted. Both skew cost per lead and make automated bidding chase the wrong thing.

Before you touch a bid

Checks to run before you change the account

This takes a day or two, and it shapes everything after it.

  • Read the full search terms report and sort where the money went
  • List every conversion being counted and decide which are sales enquiries
  • Check each one still fires on mobile and desktop after any site change
  • Check whether phone calls are tracked, and whether short calls count as leads
  • Test how fast the landing page loads on an ordinary phone on mobile data
  • Count the form fields and ask which a stranger would fill in
  • Compare the ad’s promise with the page headline, word for word
  • Split cost per lead by campaign, device and match type
  • Work out deal value, margin and close rate, so you know the most you can pay
  • Check how quickly leads are contacted before you blame the traffic

Match the cause to the fix

Where to fix each cause of a high cost per lead

The last column matters most. It shows what happens when you fix the wrong thing. Two more causes sit at the bottom: an expensive market and a weak close rate.

Causes of a high cost per lead, where each is fixed, and the cost of getting it wrong
DimensionHow you spot itWhere the fix livesIf you get it wrong
Wrong trafficSearch terms report full of irrelevant searchesCampaign structure, match types, negative keywords, audience signalsYou cut budget and lose good traffic with the bad
Page loses peopleGood traffic, low conversion rate, slow on mobileLanding page, offer, form design, page speedYou raise bids to buy back what the page loses
Wrong things countedPlatform conversions don’t match the enquiries your team gotAnalytics and conversion tracking setupAutomated bidding chases a false signal for months
Expensive marketEverything is set up well and the number is still highChannel mix, positioning, niche, keeping customers longerA year tuning an account already near its lowest cost
Close rateReasonable cost per lead, poor cost per customerSales response time, follow-up, qualificationYou blame marketing and cut spend that was working

An example

What a search terms report usually shows

Sample searches for a commercial heating and cooling contractor, grouped by what the searcher wants. The words change by business. The pattern holds in most lead generation accounts.

Pricey per click, cheapest per customer

High cost per click, strong buying intent, and often the cheapest won customers. Often the first terms paused to protect a cost per lead target.

  • emergency ac repair near me
  • commercial hvac contractor
  • ac repair open now
  • rooftop unit replacement quote

Cheap per click, pricey per customer

Cheap clicks and the odd cheap form fill. They flatter the number and rarely lead to a job. Good for SEO content, rarely worth paying for.

  • how does a heat pump work
  • ac not cooling troubleshooting
  • best hvac brands
  • furnace filter size chart

Spend you didn’t choose

Job hunters, trade buyers and students. With broad match and automated campaigns, this arrives without showing in a keyword report. It’s often a big share of budget.

  • hvac technician salary
  • hvac jobs hiring
  • hvac parts wholesale
  • hvac apprenticeship

These are example searches from keyword research and public search data. Before we suggest anything, we check how often people search for them in your area.

How we fix it

How we lower your cost per lead

Making the number look better is easy. Making your business better off is harder.

What we do

  • Work out the most you can pay per lead from your margins before setting any target
  • Report cost per won customer next to cost per lead where the data allows
  • Tell you when the account is near its lowest cost and you need other channels
  • Separate traffic, page and tracking problems before proposing any work
  • Check sales follow-up before deciding the leads are poor

What we don’t do

  • Count newsletter sign-ups and PDF downloads as leads to flatter the number
  • Pause your strongest buying searches because they cost most per click
  • Promise a set cost per lead or a percentage cut
  • Move budget to a channel with cheaper leads and fewer customers
  • Run tests on a page with too little traffic to give a result

Questions

Common questions about reducing cost per lead

What is a good cost per lead?

There’s no useful benchmark across industries; a £200 lead and a £40,000 lead can’t be compared. What matters is what it costs to win a customer, against what that customer is worth.

Work it out in this order: average deal value, gross margin, how many leads become customers, then the most you can pay per lead and still make money. Often the cost per lead is fine and the close rate is the problem.

Is cost per lead even the right metric?

It’s useful day to day and weak for big decisions. It shows whether an account is drifting, but ignores what the leads are worth.

If you can feed sales results back into the ad platform, aim for won customers or revenue. If not, split cost per lead by campaign and enquiry type to see which cheap leads are cheap for a reason.

Why did our cost per lead go up when we did nothing differently?

Usually one of four reasons: a new competitor started bidding hard, seasonal demand shifted, someone changed the landing page, or tracking stopped counting something it used to count.

Check tracking first. It’s the quickest to rule out, and if a conversion broke in a site update, cost per lead jumps overnight.

Should we just pause the expensive keywords?

Usually not. In most lead generation accounts, the priciest clicks show the strongest buying intent and often bring the cheapest won customers. Pausing them makes cost per lead look better and each customer cost more.

Judge by cost per customer. If you can’t measure that yet, fix it first.

How much can conversion rate work realistically change this?

Cost per lead is spend divided by leads. Double the page’s conversion rate and you halve cost per lead at the same spend. That’s maths, not a promise, and it’s why the page is often a better place to start than the ad account.

How much room you have depends on where you start. A page that already converts well has little; one with a nine-field form, no clear offer and a four-second mobile load usually has lots.

Find the cause before another round of tweaks

Bring your ad account, your landing page and three months of enquiries. We’ll tell you the cause, and whether your target is realistic in your market.

Your BOOSTD score improves within 90 days, or your next month is free. After 6 months, more traffic or leads, or we keep working free (up to 6 free months in any 12 months). Read our guarantee

References

Sources for reduce cost per lead

The official documents and research this page is based on. Platform rules change, so check the source before you act on a detail.

  1. Google Ads Help: about Quality Score

Last updated · Published by Zubair Afzal, responsible editor