Some costs can remain allowable during a genuine gap between tenants where the rental business continues. Private use, a property withdrawn from letting and first-ever letting costs can change the answer. Keep the dates, intention to let and purpose of each cost clear.
Establish whether the letting business continues
Keep evidence that the property remains available for letting, such as agent correspondence, advertising and plans to obtain another tenant. A temporary vacancy differs from moving into the property yourself or withdrawing it permanently from rental use.
If the property is being sold or converted to personal use, tell your accountant when the decision was made and how the property was used. There is no universal rule that every cost remains deductible until the eventual sale date.
Review costs individually
Insurance, utilities, council tax, advertising and repairs can need considering during a continuing letting business. Each cost must still satisfy the normal rules. Capital improvements and private expenditure do not become deductible simply because no rent was received that month.
For example, replacing a broken component between tenants can differ from extending the property or carrying out substantial improvements. Supply invoices describing the work rather than a single bank entry labelled refurbishment.
First letting and later vacancies differ
Costs before the rental business starts have their own rules. A newly purchased property undergoing work before its first tenant should not automatically be treated in the same way as an established rental property briefly awaiting a replacement tenant.
If you own several rental properties, explain which remain let and which are empty. The overall UK property business and the facts of the individual expense both need considering.
Keep the chronology with the documents
Record the last tenant's leaving date, marketing dates, personal occupation if any and the next tenancy start date. Link each expense to that timeline and retain proof of payment.
TaxSimba can use those facts to review the rental calculation within your agreed service. If a long void creates a loss or the business may have ceased, raise that separately so the accountant can check the correct treatment rather than carry the same assumptions into another tax year.
Check the home nation used for your tax calculation
Tell the accountant whether you live in England, Scotland, Wales or Northern Ireland, and about any moves during the tax year. Scottish rates differ for wages, pensions and most other taxable income; savings and dividends use UK rules. Welsh rates are set separately. Use the rules for the relevant year and your actual taxpayer status.
See Scottish Income Tax and Welsh Income Tax. These differences do not make a London address or an England-only earnings example appropriate for everyone.
Build a dated record of the letting gap
Illustrative preparation example.
Keep the previous tenancy end, marketing evidence, repair dates, private use and next tenancy start together. This explains whether costs arose during a continuing letting business or a different period. A blank rental bank statement does not establish the answer.
Check: What was happening to the property when each cost arose?
| Check | Practical action |
|---|---|
| Is the letting business continuing? | Keep marketing and agent evidence of an intention to relet. |
| Did the use or intention change? | Record personal occupation, withdrawal or sale plans with dates. |
| What did each expense achieve? | Distinguish normal running costs, repairs, capital work and private spending. |
Are first-tenant setup costs the same as a later vacancy?
Not necessarily. Pre-commencement costs have their own rules. Provide purchase and first-letting history.
Can I deduct every cost until a sale completes?
No universal rule says that. The continuing-business position, purpose and nature of each cost need checking.
Download a checklist for this guide
- Record the last tenancy end date.
- Retain re-letting instructions and advertisements.
- Document any personal use or changed plans.
- Link expenses to the vacancy timeline.
- Record the next tenancy or permanent cessation details.