The principal sum claimed — before any interest.
Interest already accrued up to the date you issued the claim (this is the figure from your claim form — usually £0 unless you claimed interest for a period before issue).
The date your claim was issued.
Interest is calculated up to this date.
8% is the statutory rate, unless your claim form specifies a different rate.
The court fee you paid when you issued the claim.
Fixed costs you're entitled to claim, if you used a solicitor.
Amount of claim as admitted (including interest at date of issue)
Interest since date of claim (if any)
Subtotal
By Jack, with thanks to Bea. Not legal advice.