SDLTM80070 - Compliance: Introduction: Interest and penalties
Interest
Interest runs from the date the tax should have been paid. See SDLTM85930.
Penalties
There are fixed, tax geared and daily penalties for failure to notify and sending in land transaction returns late. There are also penalties for incorrect returns. See /hmrc-internal-manuals/compliance-handbook/ch80000 (external users can find the guidance at ).