A rear-end claim settles at a headline figure, and a smaller sum arrives. Here is what each deduction is, what the 25 percent cap applies to, and what to check before signing.
Personal injury compensation claims in England and Wales: valuing an injury, instructing a solicitor or acting alone, funding arrangements and time limits
The success fee in a personal injury conditional fee agreement cannot exceed 25 percent. That figure is a maximum, and firms are free to charge less on a case expected to settle quickly.

A driver stopped at a red light was hit from behind by a van, treated for a neck and shoulder injury over about nine months, and settled fourteen months after the collision at a headline figure of 9,600 dollars. The sum that reached the bank account was several thousand dollars lower. Nothing had gone wrong, and no deduction was a surprise to anyone who had read the funding agreement signed in the first week. The distance between the number quoted on the phone and the number paid out is made up of three things, each of which behaves differently.
The success fee is the uplift the attorney charges for carrying the risk of being paid nothing if the claim fails, and in a personal injury conditional fee agreement it is capped at 25 percent. The cap is not applied to the settlement as a whole. It bites on damages for pain, suffering and loss of amenity, and on past financial losses calculated up to the date of settlement, and it excludes damages awarded for future losses such as ongoing care or earnings the claimant will not recover for years. In the rear-end claim, that distinction mattered little. In a claim built mostly on future loss, it changes the arithmetic entirely.
Twenty-five percent is a ceiling, not a standard rate, and the percentage is stated inclusive of tax where tax is charged on the fee. Some firms quote 25 percent on every case; some quote less on a straightforward, fast-settling injury. The figure is a term of a contract, and terms of a contract are negotiable before signature and not afterward. A careful reader asks what the percentage would be if the case settled through the pre-action stages without an expert engineer or a court issue fee.
After the event insurance covers the exposure that makes losing expensive: the other side's costs in the circumstances where they are recoverable, and the disbursements already spent on the claimant's own file. Most policies are written so the premium is deferred and self-insuring, which means nothing is payable if the claim fails and the premium comes out of the damages if it succeeds. That premium sits outside the 25 percent cap. It is a separate line, and on a modest injury claim it is not a trivial one relative to the award, so the amount and the trigger date both belong in the first conversation rather than the last.
Disbursements are the cash costs of proving the case: the medical report, the fee for obtaining medical records, the court issue fee, the accident report, and in a disputed liability case an engineer or an accident reconstruction expert. On a claim that succeeds, the paying insurer covers fixed recoverable costs and most disbursements, but recovery is capped by rule rather than by what was actually spent, and any shortfall is charged to the claimant only if the agreement permits it. Ask directly which disbursements can be deducted from damages on a winning case, and whether the firm caps that exposure.
Before releasing funds, the file should produce an itemized settlement statement, and it is worth insisting on one rather than accepting a single net figure. It should show gross damages, any interim payment already made, the success fee with the base it was calculated on, the insurance premium, unrecovered disbursements listed individually, and any sum repayable to a health insurer or benefits program that already paid for treatment. Vehicle damage, the rental car and the deductible are usually handled by the auto insurers on a separate track, so check they have not been quietly folded into the injury figure.
Four checks cover most of the ground. First, what percentage is the success fee and which heads of damage form its base. Second, what the insurance premium is, when it becomes payable, and whether it is fixed or scales with the claim. Third, what happens if the claimant rejects advice on a formal settlement offer and the case later does worse at trial, since that shifts costs. Fourth, what is owed if the retainer ends early, whether the claimant walks away or the firm does. Every answer should exist in writing in the agreement.
The most useful thing to request at the outset is a worked example: a plausible settlement figure for this injury, with the deductions applied, showing what would actually land. A firm that has priced the case properly can produce that in a paragraph.
Online Accommodation After the event policies are usually written so that the premium falls due only if the claim succeeds. It is then taken from the damages rather than paid up front.