Insurance terms, explained in plain farming language
Sum insured, indemnity, index-linking, excess. Every term is defined here the way a neighbour would explain it, with a farming example so it actually sticks. If you want to see reinstatement value worked out for an actual building, try the farm building rebuild cost estimator. And if you're totting up what your tractors, combine and sprayer are worth for the policy schedule, the machinery declared value calculator shows how the average clause can catch out a fleet that's under-declared.
Read our farm machinery insurance guide Read our livestock insurance guideHow to use this glossary
Insurance policy documents are written in a language dropped in from a different trade entirely, and a farmer reading one for the first time can find the tractor, the grain store and the flock all named correctly while the terms that decide whether a claim gets paid stay unexplained. This glossary sets out those terms in plain farming language: what each one means, why it exists, and where it actually bites when something goes wrong on a working farm.
Where these words actually matter
A term like sum insured or reinstatement value rarely comes up until a fire takes out a grain store or a flood ruins a shed full of machinery. At that point the wording in the policy document decides what gets paid. Knowing the terms before that moment gives you something to check now, while there's still time to fix a mismatch between what you think you're covered for and what the document actually says. If you want to see how reinstatement value plays out against what a building would actually cost to put back up today, the Farm Building Rebuild Cost Estimator takes the building type, footprint, construction material and age you enter and works out an illustrative rebuild range, which is a useful way to check whether a sum insured figure set years ago still bears any relation to current building costs.
The same problem shows up with machinery, though it works slightly differently. A policy with an average clause can reduce every payout in proportion to how far your declared value falls short of the true replacement cost, so under-declaring one item doesn't just risk that item, it can affect a claim across the whole fleet. There's also a separate distinction worth knowing before you need it: an agreed value policy fixes what a machine is worth at the point cover starts, while a market value policy pays out whatever the machine is judged to be worth at the time of the claim, which for older kit can be considerably less than you'd expect. If you list your tractor, combine, sprayer and the rest with their purchase year and cost, the Machinery Declared Value Calculator totals up the fleet value, flags any single item that may exceed the typical any-one-item limit on a farm machinery policy, and sets out what the agreed value and market value distinction actually means for your declared figures.
How the entries are put together
Each entry pairs the term with a short example drawn from ordinary farm risk, because a definition on its own tells you what a word means without telling you why anyone bothered to write it into a policy. Where a term belongs to a wider topic, such as livestock mortality or business interruption, the entry points through to the fuller guide so you can read the whole picture rather than a single line.
Using the glossary alongside a broker conversation
Reading a definition here doesn't replace asking a broker how it applies to your holding, because policy wording varies between insurers and between individual policies even when the underlying term is the same. What the glossary does is put you in a position to ask a sharper question: not "what does excess mean" but "what excess applies if the flood and the storm damage happen in the same event". If you're still working out how a specific phrase in your own paperwork applies, the Insurance Jargon Decoder works through a term you enter yourself, though like any tool it can only work from what you put into it and can return a wrong answer if the wording is unusual.
For a route into a regulated adviser rather than a definition, our guide on how to find a regulated farm insurance broker sets out what to ask and how to check who you're dealing with. If a term has already turned into a dispute over a claim, our claims and dispute guidance covers what to do next.
Now that the terms make sense, what about your own policy?
Knowing what a term means is the easy part. Working out whether your own policy reflects it is the harder question, and that's what these tools are for. If reading about reinstatement value or sum insured has you wondering about your own grain store or livestock shed, the farm building rebuild cost estimator gives you an illustrative rebuild cost range to check your figures against before you speak to a broker. The same question comes up with machinery: if you're not certain your tractor, combine and sprayer are declared at figures that would satisfy the average clause, the machinery declared value calculator totals your fleet and flags any single item that may exceed typical any-one-item limits, and explains the difference between agreed value and market value policies. Its output is an estimate, not a quote, so treat it as a starting point for a conversation with your broker rather than a final figure.