BIM100220 | Miscellaneous income: particular sources: hire of equipment

From HM Revenue & Customs · Business Income Manual

S-S Income Tax (Trading and Other Income) Act 2005, S-S Corporation Tax Act 2009

The profits from the hire of movable objects, whether or not of a casual or occasional nature, are taxable under the miscellaneous income sweep-up provisions where they are not otherwise taxable, for example because the activity does not amount to a trade.

See the guidance in the Capital Allowances Manual at onwards in the case of profits from the letting of machinery and plant.