The 8% Ceiling: What UK Shoppers Will Pay For Ethics and Sustainability and What the Smartest Brands Are Doing About It

New research exposes the gulf between what UK shoppers value and what they actually buy – and finds that the brands closing that gap are quietly outperforming their rivals… 

• Nearly seven in ten Brits say ethical production matters to them but when it came to their last actual purchase, choosing on price or quality alone was the single most common behaviour across every category tested
• UK shoppers will pay around 8% more for what they consider a more ethical or sustainable product, and and across categories, between 25% and 28% won’t pay a penny extra
• Brands that embed sustainability into how they operate earn 23% more in operating profit than those that don’t

Most British shoppers say they want to buy ethically. New research from supply chain intelligence firm Zero100 suggests most of them don’t, as household budgets remain under pressure.

Nearly seven in ten (68%) say how ethically a product is made matters to them when they shop. But when it came to their last actual purchase – food, toiletries, clothes, household goods – choosing on price or quality alone, with no ethical consideration at all, was the single most common behaviour in every category: 43% for food and drink, 42% for personal hygiene, 42% for household goods, and 40% for clothing. Just 12% for clothing and 14% for food and drink went for the most ethical option regardless of what it cost. In each of those categories – food and drink, personal hygiene, clothing and household goods – between 7% and 10% say they actively considered the ethical option before choosing the cheaper one instead.

The research, based on a survey of 2,000 UK adults, found that the ceiling, when it comes to paying more, is low. UK shoppers will stretch to around 8% – 80p on a £10 purchase – before ethics gives way to price. Across categories, between 25% and 28% won’t pay anything extra at all – a figure that rises to between 37% and 43% across categories among over-65s.

Jenna Fink, VP, Research & Advisory at Zero100, said: “British consumers haven’t tuned out on sustainability, the data shows clearly that it matters to them. But mattering and paying more are two different things. The brands that understand this are shifting how they think about the problem entirely. Sustainability is a cost to engineer out, not a premium to charge for.”

At around 8%, the premium ceiling is tight enough that any significant cost increase – a supply chain disruption, a change in sourcing, a reformulation – can push a product straight out of reach for most shoppers.

The strongest commercial argument for getting this right may lie in Zero100’s own company performance data. An analysis of 469 businesses found that those embedding sustainability into their core operations – meaning sustainability accountability sits within day-to-day business functions rather than in a separate team or initiative – earn roughly 23% more on operating profit and 20% more on net profit than those that don’t. Between 2022 and 2024, this group improved gross margins by nearly three percentage points while the other group saw margins decline by 2.5%.

What does keep British shoppers loyal, even as prices rise, is quality: 63% say product and service excellence would retain their custom even if a brand’s prices went up, pointing to a consistent theme running through the data: what retains customers isn’t ethical positioning, it’s operational performance.

Most UK shoppers are also more forgiving about price rises than brands might assume. Only 27% say price rises directly linked to supply chain pressures are unfair – suggesting that when businesses are honest and specific about why costs are rising, most shoppers are more understanding than brands might expect.

Transparency campaigns may also be delivering less than brands hope. While 36% of UK consumers say knowing more about a brand’s supply chain would make them more likely to trust its ethical claims, nearly half (48%) have never actually checked for that information before buying. Most shoppers are willing to trust but they just aren’t doing the research to verify.

The data also points to a consumer under genuine financial pressure rather than one that simply doesn’t care. Among UK shoppers who said they’d boycott a brand but kept buying from it anyway, 21% said equivalent products were simply too expensive elsewhere, and 34% said no alternatives were available at all – suggesting that for a significant share of British consumers, the gap between ethical intent and ethical action is driven by constrained choice rather than indifference.

Fink adds: “The data tells a more human story than the headline numbers suggest. Many British shoppers are actively choosing between their values and their budgets every time they shop, and the budget is winning, often because the gap between the ethical option and the affordable one is still too wide. The brands that close that gap through smarter operational decisions are the ones that will win lasting loyalty, not just from shoppers who can afford to pay more, but from the much larger group who want to but can’t.”

Top image by JoJo Iles