Glossary · UK
What is P11D?
Form reporting Benefits in Kind (company car, medical insurance) to HMRC each year.
Full Definition
A P11D is the form employers submit to HMRC by 6 July each year reporting Benefits in Kind (BIK) given to employees and directors — company cars (taxed via CO2-based BIK %), private medical insurance, gym memberships, employer loans over £10,000, school fees. Employees receive a copy and the cash-equivalent value is added to their taxable income (usually via tax code adjustment). Employers pay Class 1A NI at 15% on the BIK value. Cycle-to-work, mobile phones, workplace parking, and trivial benefits under £50 are exempt from P11D reporting. Some employers «payroll» benefits instead — taxed monthly via PAYE, no P11D required.
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Disclaimer: Definitions are for guidance only. For decisions about your tax, savings, property or pension situation, always consult a qualified professional or refer to gov.uk.