Company cars: Taxed based on CO2 emissions and list price, with lower rates for electric vehicles to encourage eco-friendly choices.

Private medical insurance: Premiums paid by the employer are a taxable benefit for the employee, added to their income.

Interest-free or low-interest loans: Loans over £10,000 are taxable, calculated on the interest saved compared to HMRC's official rate.

Accommodation: Provided living accommodation is taxable unless it's necessary for the job, like for a caretaker or security guard.

Entertainment and gifts: Gifts over £50 per year or entertainment provided are taxable benefits, with exceptions for trivial benefits.

Childcare: Employer-provided childcare up to £55 per week is tax-free; any amount above that is taxable as a benefit.

Mobile phones: One mobile phone provided primarily for business use is tax-free; personal use beyond that may be taxable.

Home broadband: If provided for business but used personally, the personal portion is taxable and must be valued fairly.

Staff parties and events: Costs up to £150 per head per year are tax-free; above that, the excess is taxable for each attendee.

Season ticket loans: Interest-free loans for travel season tickets are taxable if the loan exceeds £10,000, based on the interest benefit.