ATED return failure: if you submitted Annual Tax on Enveloped Dwellings (ATED) return on 11 April your return may be lost.
HMRC had a system error and is advising people to check returns saved or submitted that day.
'HMRC has become aware of an issue with our ATED service affecting returns stored in draft on or before 11 April 2018. This issue has now been resolved.
Returns saved online in draft on or before 11 April 2018 but not yet submitted may still be affected. If your return is no longer visible you need to input it again.
HMRC recommend that customers review their draft return online. We apologise for any inconvenience caused.
ATED returns for 2017/18 must be submitted by 30 April 2018, see Subscriber guide: Annual Tax on Enveloped Dwellings (ATED)