13 August 2026·8 min read
Received an HMRC letter about rental income? What to check first
Nudge letters give the deadline shown in the letter itself — always check the letter, do not assume a standard period. The 90-day disclosure-and-payment window under the Let Property Campaign is a separate clock that starts when HMRC issues a Disclosure Reference Number acknowledging the taxpayer's notification, not on the notification itself. This piece works through the sequence — check the letter, check the return, choose the right response route.