The awards were based upon the savings declared when the claims were made. IF you had owned up to the lie after the first claim, yir savings would have decreased.
Firstly, however, YOU DID NOT OWN UP. Secondly, the balance would have decreased to �7480 only if the overpayment had been repaid in a lump sum and not as is usually the case, in instalments, so the balance would still have been too high.
The truth of the matter is you have obtained �1825 of taxpayers� money by making not one but TWO false declarations and you are dragging it out in an attempt to delay the inevitable.