£390m at Risk From Hot Weather and A Hidden £60m at Risk From Workforce Shortages.

UK arable farmers are facing revenue losses of up to £390m this year, according to the Energy and Climate Intelligence Unit, with cereal and oilseed yields down by roughly 2.5 million tonnes against earlier forecasts. Southern England has just recorded its driest month on record, and England as a whole its driest July since rainfall records began in 1836, with just 6.5mm falling across the month according to the Met Office. The government has declared drought across almost three-quarters of England, with a fifth heatwave forecast for the south.

“British farmers are facing down the barrel of a third awful harvest in a row, and UK farming is in danger of entering a climate doom loop,” said Tom Lancaster, land, food and farming analyst at the ECIU.
What follows sets out, with every figure sourced, what those numbers mean beyond the weather itself, and where the one part of it a business can still act on actually sits.

Wheat yield is running at 6.8 tonnes per hectare, well below the ten-year average. The ECIU puts 2026 on course to be among the five worst harvests since national records began in 1984, quite possibly the worst outright. “Harvest this year has been a real kick in the teeth,” said Martin Lines of the Nature Friendly Farming Network, pointing out that this year’s crops had been looking promising after two difficult harvests in a row, before the heat and drought took hold.

The pressure is not confined to the UK. The European Commission’s Joint Research Centre has cut yield forecasts across the continent this year, with French grain maize production expected to fall by around 35% and Austria’s grain harvest down 19%, as growers in Spain and Italy shift harvest work into the night to avoid daytime heat that has reached 45°C in Catalonia.

The government’s own Drought Prospects for Spring 2026 analysis extends this picture further, reporting reduced quality and yields for field vegetables and other crops already this year wherever irrigation was unavailable. Under its drier scenarios, the same analysis warns of a “significant risk” of Section 57 restrictions, the emergency limits placed on spray irrigation when water resources fall critically low, and flags that continued restricted access to water into next spring is likely to make reduced production “far worse.” Whichever part of the sector a business sits in, the underlying pressure is the same: less water, less margin for error, and a smaller crop to work with than usual.

WRAP, the body Defra commissions for this kind of data, found UK primary production surplus and waste running to 3.6 million tonnes a year, worth £1.2bn, in research published in July 2019. Of that, 1.6 million tonnes and roughly £650m is waste proper, rather than surplus redirected to feed or redistribution. Horticultural crops account for the largest single share, at 54%, against 30% for cereals.

WRAP names quality and cosmetic specification as the primary driver of that waste. Labour is recorded only as a contributing factor, one the report never sizes against the total, and no source we have found puts a firm figure on what share of the £1.2bn a workforce or training intervention could realistically move.

The NFU’s mid-season labour survey, run in the first half of 2022 across 199 growers in England and Wales employing more than 22,000 seasonal workers, found £22m of fruit and vegetables already wasted directly among those surveyed. Since that group represented around a third of the UK horticulture sector, the NFU extrapolated a wider sector figure of roughly £60m for the same period. Forty per cent of respondents reported losing crop directly to labour shortages, against an average workforce shortfall of 14%.

“It’s nothing short of a travesty that quality, nutritious food is being wasted at a time when families across the country are already struggling to make ends meet because of soaring living costs,” said Tom Bradshaw, then NFU Deputy President and now NFU President.

Even on the more conservative, directly measured £22m figure, that is a meaningful sum tied specifically to labour, sitting far below the £1.2bn structural waste figure above, which makes it the more honest number to build any workforce argument on.

The Food Standards Agency’s own research on labour shortages in UK food systems goes further than either figure. Most roles in food production depend on “tacit procedural knowledge that is acquired over time,” the FSA found, and across the sector, learning takes place mainly on the job rather than through formal instruction. At one major producer, seasonal-worker return rates collapsed from 75% in 2020 to 46% in 2021, and novice workers with no prior agricultural experience measurably reduce productivity and raise costs compared with returning staff.

“Safety hazards from the unintentional or accidental contamination of food, either chemical or microbial, due to the mismanagement of production and handling operations at critical control points.” That is how the FSA frames the risk, treating this as a food safety question as much as an efficiency one. A government food safety body making that case independently is a stronger foundation for this argument than anything a training provider could claim on its own.

There is a language dimension too. The Seasonal Worker visa carries no English-language requirement, in common with other short-term work routes, and workers frequently arrive with “little or no English,” the Home Office’s own review of the visa acknowledges. The review’s own recommendation is that worker rights be communicated in workers’ own languages, an acknowledgment that current practice often falls short of that already. For any business inducting seasonal staff at pace, that language gap is the actual shape of the onboarding problem most operations are already working around.

Put together, this leaves growers and processors with fewer options this year than usual. More crop is not available, the weather has already settled that question. Hiring more experienced hands is not straightforward either: the 2026 seasonal worker visa allocation is capped at 41,000 places for horticulture and 1,900 for poultry, with the horticulture figure itself down 2,000 on 2025.

“While there has been a small reduction in numbers, we are hopeful it will still be sufficient for the year ahead,” said Tom Bradshaw, now NFU President.
Layer onto that the FSA finding that return rates among experienced seasonal workers can collapse sharply from one year to the next, and the pool of available, experienced labour looks tighter still. That leaves one variable operators can still act on this season: how quickly and how well the people already on site are trained, inducted and supported, including across the language gap the Home Office’s own review has already flagged. Nothing about that requires anyone to have done anything wrong before now, it simply means the ordinary cost of an undertrained shift is higher in a year when there is no surplus volume left to absorb it.

For a business managing a seasonal workforce through the rest of this harvest and into next spring, a few of these figures translate fairly directly into things worth checking now:

•    Whether onboarding materials and safety briefings for seasonal staff exist in the languages your workforce actually speaks, given the Home Office’s own finding that current practice often does not.
•    Whether return-rate data is tracked year on year for seasonal roles, since the FSA’s 75%-to-46% example shows how quickly an experienced team can turn into a novice one without anyone noticing until yields or losses show it.
•    Whether training and competence records for seasonal staff would hold up if a customer, certification body or the FSA itself asked to see the evidence behind a critical control point, given the FSA’s own framing of undertrained handling as a contamination risk rather than only a cost one.
•    Whether the gap between recruitment shortfall and actual output loss, the 14% and 40% figures in the NFU’s own survey, is being measured at all in your own operation, since a figure that is not tracked cannot be improved.

The people running these businesses know the mechanics of a harvest, a packhouse floor or a production line better than any figure above ever could. What the evidence points to is narrower: whether training and onboarding are keeping pace with the season, and reaching every worker regardless of the language they arrived speaking.

Nvolve works with food and agriculture businesses on exactly that, building and holding the record that shows the people doing the growing and processing were properly trained and supported to do it well. If it would help to see how that applies to your own operation this season, we are glad to talk it through.