Google Display Network averages $0.90 CPC and $4.20 CPM. Programmatic Display averages $0.66 CPC and $3.30 CPM. Analysis for United Kingdom in 2026.
The UK is Europe's largest digital ad market and one of the most mature globally, with roughly three-quarters of total media spend now flowing through digital channels. Google and Meta together capture more than 60% of that, but the UK has unusually strong adoption of programmatic display, connected TV (ITVX, Channel 4, Sky), and Amazon Ads relative to mainland Europe. CPMs trend 15-25% above the US in several premium categories — partly auction density, partly currency. The UK GDPR (post-Brexit) plus the ICO's increasingly assertive guidance on cookies and consent make first-party data strategy a real competitive advantage here, not an afterthought.
Display advertising across Google's network of partner sites
Automated display ad buying across multiple exchanges
The auction, the creative, the budget floor — the three things you actually need to know before picking a platform.
GDN buys impressions across 2M+ publisher sites via a real-time auction. You can bid CPC or CPM depending on the campaign goal. CPCs are 4–7x lower than search, but conversion rates are also lower — it's a top-of-funnel channel, not a decision-point channel.
Responsive Display Ads: 15 images (1200×628 landscape, 1200×1200 square, 1200×1500 portrait), 5 logos, 5 short headlines (30ch), 5 long headlines (90ch), 5 descriptions (90ch). Google auto-assembles.
$30–75/day gets a display campaign to statistical signal, though retargeting audiences reach signal faster and are the recommended entry point for smaller budgets.
Programmatic display buys the same display inventory as GDN plus long-tail supply-side sources (AppNexus, Xandr, Magnite) through a demand-side platform. Every impression is a real-time auction. CPMs are the lowest of any channel ($2–5) but so is attention.
All standard IAB banner sizes: 300×250, 728×90, 160×600, 320×50 mobile, plus HTML5 rich media for higher-tier placements. Video pre-roll in the same DSP: 15s/30s at 1080p.
$3K–5K/month is the practical DSP minimum. Retargeting on programmatic is where small budgets get outsized ROI.