Lower acquisition costs for Lomax + Wood
Lomax + Wood needed paid search to reach customers considering premium timber windows and doors. Removing irrelevant targeting and refining the campaigns helped cut Google Ads cost per acquisition from £269.29 to £68.61.

lower cost per acquisition
CPA fell from £269.29 to £68.61 across the two agency-management periods shown in the case study.
Lomax + Wood: Google Ads performance comparison
Google Ads performance under previous management and Purplex, with the dates for each reporting period shown below.
Swipe or scroll across to compare both periods.
| Measure | Previous management 1 Oct 2023 to 30 Sep 2024 | Purplex management 1 Nov 2024 to 11 Nov 2025 |
|---|---|---|
| Cost per acquisition | £269.29 | £68.61 |
| Reported conversions | 187 | 622 |
| Advertising spend | £50,358.51 | £42,720.20 |
Conversions are the actions recorded in the Google Ads account. The headline CPA reduction is rounded.
Campaign structure and search targeting.
The account review compared the searches being paid for with Lomax + Wood's products and target customers. Campaigns were reorganised around buying intent, so more of the budget supported relevant demand.
That meant removing irrelevant targeting, tightening keyword and match-type choices, strengthening negative keyword lists and pausing unfocused Performance Max activity. The purpose was to put more of the investment behind searches with a useful commercial fit.
Ongoing account review and optimisation.
After the rebuild, reviews of spend and recorded conversions informed further targeting changes. Keyword choices, match types and negative lists remained part of that work.
The comparison above sets out acquisition cost, advertising spend and recorded conversions for both management periods. The dates matter: these are the published periods, not a controlled test. Read together, the figures show how much was spent and the response recorded in the account.
Stop paying for searches that won’t become work.
Free Google Ads review
Find the searches and settings that are spending your budget on the wrong work.
- Search terms you’re paying for that won’t become work
- Whether your tracked conversions are real enquiries
- Locations, match types and campaign structure
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What should change for your business?
If paid search isn’t bringing the enquiries you need at a sensible cost, we can review the account and discuss what to improve.
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