Letting a property to your company: beware of tax reclassification

Many business owners make a private property available to their company: an office, practice, warehouse or commercial premises. Whilst this practice can offer tax advantages, it also involves a key consideration: the risk of the rent being partially reclassified as business income.

In practice, excessive rent can prove more costly from a tax perspective than anticipated.

The principle: tax-efficient private rent

When a director lets a property to their company, the rent received is, in principle, taxed as property income rather than business income.

This tax advantage explains the popularity of this type of arrangement: the tax treatment is generally more favourable than that of standard remuneration.

However, this rule has a significant limitation when the rent is considered excessive in relation to the property’s tax value.

The “5/3 of the revalued cadastral income” rule

The tax authorities apply a specific anti-abuse mechanism.

Where the annual rent (and any rental benefits) exceeds 5/3 of the revalued cadastral income, the excess amount may be reclassified as remuneration for a company director.

In practice:

• part of the rent remains taxed as property income;
• the excess is taxed as business income.

This reclassification generally results in a higher tax burden, as the amount in question is then subject to the progressive rates of personal income tax.

An often underestimated risk

This mechanism is frequently overlooked, particularly when:

• the rent was set several years ago;
• significant renovation work has been carried out;
• the property’s actual rental value has increased;
• the director wishes to limit their business income.

In some cases, a rent that appears economically reasonable may nevertheless exceed the permitted tax threshold.

It may therefore be useful to review the rent level periodically.

Be cautious with mixed-use properties

Particular caution is advised when the property is used for mixed purposes, for example a residential property that includes a business office or a practice integrated into the home.

In this type of situation, several issues need to be analysed:

• Which part of the building is actually used for business purposes?
• What breakdown of the rent is justifiable?
• Should certain costs or works be apportioned between private and business use?

Consistent documentation (plans, floor areas, tenancy agreement, justification of the rent) can prove invaluable in the event of an audit.

Should priority be given to rent or remuneration?

There is no one-size-fits-all answer.

The trade-off between:

• the director’s remuneration;
• dividends;
• property rent;

must be analysed holistically, taking into account in particular:

• personal taxation;
• corporate taxation;
• cash flow requirements;
• wealth management objectives.

A tax structure that looks optimal on paper is not always the most appropriate in the long term.