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Facebook Ads Cost Per Purchase Benchmarks for Public Administration in United Kingdom

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Cost Per Purchase for Public Administration in United Kingdom

October 2024 - October 2025

Insights

Detailed observation of presented data

Key takeaways

  • Scope: This analysis looks at cost per purchase trends for industry Public Administration and target country Great Britain compared to the global trend; the analysis is based on $3B worth of advertising data from our dataset, which provides strong directional benchmarks.
  • Data availability: No monthly observations are available for Public Administration in Great Britain during the period provided, so direct in-market statistics and a like-for-like comparison to the global baseline are not possible.
  • Global pattern: The global baseline shows a clear year-end rise into December, elevated costs through January–February, and a sharp drop by September.
  • Volatility: Average month-to-month absolute movement in the global series is 3.25, with the largest single-month change a -13.40 drop from August to September.

Scope and context

  • Metric: cost per purchase (median, monthly).
  • Segment: Public Administration in Great Britain (selected) versus the global baseline (all industries, all countries).
  • Period covered by the baseline: October 2024 to September 2025.

Public Administration in Great Britain (selected segment)

  • No data points were returned for the selected industry and country over the analyzed period. As a result, averages, highs, lows, and volatility for the selected segment cannot be computed, and relative positioning versus the market cannot be determined from this dataset window.

Global baseline benchmarks (directional context)

  • Average across the period: 47.82.
  • High: 53.89 in February 2025.
  • Low: 32.29 in September 2025.
  • Range (high–low): 21.60 across the period.
  • First-to-last change: down 30.8% from October 2024 (46.67) to September 2025 (32.29).
  • Volatility:
  • Average absolute month-to-month change: 3.25.
  • Largest increase: +8.34 from November to December 2024.
  • Largest decline: -13.40 from August to September 2025.
  • Seasonal pattern:
  • Clear Q4 uplift: costs accelerated into December (51.53), consistent with holiday-period pressure.
  • Early-year strength: January (52.31) and February (53.89) remained elevated before gradually easing into mid-year.
  • Late-year softness: steady declines from June onward culminated in the lowest point in September.

Comparison to the global trend

  • Relative positioning: Not assessable for Public Administration in Great Britain due to the absence of selected-segment data. The global series provides the only directional benchmark and indicates above-average costs in late Q4 and early Q1 and a notable pullback by late Q3.

Understanding cost per purchase benchmarks on Facebook Ads in industry Public Administration and Great Britain helps advertisers make more efficient budget and creative choices.

Understanding the Data

Insights & analysis of Facebook advertising costs

Facebook advertising costs vary based on many factors including industry, target audience, ad placement, and campaign objectives. In the Public Administration industry, Facebook ad costs can be influenced by seasonal trends and market competition. For campaigns targeting United Kingdom, advertisers experience moderate to high costs with strong performance in urban areas. Different campaign objectives lead to varying costs based on how Facebook optimizes for your specific goals. The data shown represents median values across multiple campaigns, and individual results may vary based on ad quality, audience targeting, and campaign optimization.

Why we use median instead of average

We use the median CTR because the underlying distribution of click-through rates is highly skewed, with a small share of campaigns achieving extremely high CTRs. These outliers can inflate a simple average, making it less representative of what most advertisers actually experience. By using the median—which sits at the midpoint of all campaigns—we provide a more rigorous and realistic benchmark that reflects the true underlying data model and helps you set attainable performance expectations.

Key Factors Affecting Facebook Ad Costs

  • Competition within your selected industry and audience demographics
  • Ad quality and relevance score – higher quality ads can lower costs
  • Campaign objective and bid strategy
  • Timing and seasonality – costs often increase during holiday periods
  • Ad placement (News Feed, Instagram, Audience Network, etc.)

Note: This data represents industry median values and benchmarks. Your actual costs may vary based on specific targeting, ad creative quality, and campaign optimization.

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The data behind the benchmarks

All data is sourced from over $3B in Facebook ad spend, collected across thousands of ad accounts that use Superads daily to analyze and improve their campaigns. Every data point is fully anonymized and aggregated—no individual advertiser is ever exposed.

This dataset updates frequently as new ad data flows in. It will only get bigger and better.

United Kingdom Advertising Landscape

National Holidays

Jan 1New Year's Day
Jan 22nd January (Scotland)
Apr 18Good Friday
Apr 21Easter Monday
May 5Early May Bank Holiday
May 26Spring Bank Holiday
Aug 25Summer Bank Holiday
Dec 25Christmas Day
Dec 26Boxing Day

Key Shopping Season

Late November (Black Friday/Cyber Monday surge), Late December (Christmas & Boxing Day promotions), Early May holiday weekend promotions

Potential Advertising Impact

CPM and CPC might increase around early May and late August bank holidays as people engage in leisure travel or retail browsing. During Black Friday/Cyber Monday, retail CPMs could spike sharply in fashion, electronics, and online shopping. Late December typically sees peak CPMs, with e‑commerce budgets needing early ramp-up.

What's a healthy cost per purchase for ecommerce brands?

It depends on your product price and margins. Most brands aim for $10 to $50. For higher-ticket products, a higher CPA may be acceptable as long as you're maintaining a strong return on ad spend.

How does product price impact CPA benchmarks?

Higher-priced products typically have a higher CPA because people take longer to convert. That's not necessarily a problem if your margin can support it. You should measure CPA in context with AOV and LTV.

Why are my purchase costs going up despite stable ROAS?

Your AOV may be increasing, which helps maintain ROAS even if CPA rises. You could also be facing higher CPMs, lower conversion rates, or creative fatigue.

Should I use manual bidding to control CPA more effectively?

Manual bidding can help if you're struggling to stay within target CPA. It's best used by experienced advertisers who can monitor performance and adjust regularly. It gives more control, but also requires more effort.

How do I scale spend without letting CPA skyrocket?

Increase budget gradually, rotate creative often, and avoid overlapping audiences. Scaling too quickly can lead to audience saturation and rising CPAs.

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