Landlords across the UK are preparing for one of the most significant changes to personal tax administration in years. From 6th April 2026, Making Tax Digital (MTD) for Income Tax Self-Assessment will transform how rental income is recorded and reported.

Under the new legislation, annual self‑assessment tax returns will be replaced by mandatory digital record‑keeping and quarterly updates sent directly to HMRC. This transition is designed to create an accurate, automated digital audit trail from each transaction through to the final tax submission.

For many landlords, MTD is an opportunity to modernise their accounting processes and gain better oversight of their property finances. However, it also introduces new compliance duties - making early preparation essential.

Why MTD was introduced and what it means for landlords

MTD aims to eliminate many of the reporting mistakes associated with manual or paper-based systems by introducing digital record-keeping and automated submission pathways.

The introduction of quarterly reporting may present as an additional administration burden; however, this digitalisation brings forth many benefits.

Digital reporting allows landlords to access real-time financial data, helping them understand their tax position throughout the year rather than waiting for an end-of-year calculation. This can improve budgeting, reduce the likelihood of unexpected tax bills and significantly alleviate the stress associated with last-minute filing.

What landlords need to do now

From April 2026, landlords with qualifying income above £50,000 must be registered and ready to comply with the new legislation. The income threshold will then decrease over time:

• April 2027: £30,000–£50,000
• April 2028: Above £20,000

Landlords whose income falls within the above thresholds must maintain digital records and submit quarterly updates using HMRC‑approved software.

Early preparation will make the transition far easier. Landlords should:

• Check eligibility using HMRC’s online tools and complete registration where required.
• Review and adopt appropriate accounting software.
  HMRC has worked with leading providers such as Sage and QuickBooks, alongside other approved solutions, to ensure compatibility with MTD requirements.
• Plan for associated costs, including software subscriptions, onboarding, training, and potential increases in accounting or agent fees. Some government‑supported free software options exist, though they depend on meeting specific criteria.

Landlords should also ensure the correct platform is used based on individual needs. 

Penalties 

MTD introduces a penalty points system for late submissions. Each late quarterly update or late return may result in a penalty point. However, such penalties will only occur in repeated instances. If a landlord accumulates four points within a two‑year period, a £200 fine will be issued.

It is important to note that penalty points for late filing of quarterly updates will be immune within the first year of MTD coming into place. Thereafter, from April 2027, individuals will be subject to these penalties. 

Conclusion

Making Tax Digital marks a major shift in how landlords manage and report rental income. By moving to more frequent digital reporting, landlords will gain a clearer, more accurate and more up‑to‑date view of their financial position throughout the year.

With the first compliance deadline approaching in April 2026, early planning is crucial. Ensuring the right systems and software are in place now will help landlords make a smooth transition and remain fully compliant with HMRC’s new requirements.

Marcus Di Rollo is head of residential lettings at full-service law firm Gilson Gray