Joint Property and MTD: How Landlords Can Navigate the New Rules Together

For many UK landlords, owning property is a joint venture. Whether you’ve invested with a spouse, a family member, or a business partner, sharing the responsibilities: and the returns: is a common way to manage a property portfolio. However, the introduction of Making Tax Digital (MTD) for Income Tax Self Assessment (ITSA) is about to change how joint owners report their income to HMRC.

If you currently file a manual tax return for your rental income, you’ve likely heard about MTD. But how does it work when a property isn't owned by just one person? Does the property have its own "digital account"? Do you and your partner file together?

In this guide, we’ll break down the specific rules for joint property owners, the reporting "easements" HMRC has introduced to make life easier, and how you can prepare for the upcoming deadlines.

What is MTD for Income Tax?

Making Tax Digital is a government initiative designed to move the UK tax system toward a fully digital model. Instead of filing one annual Self Assessment tax return, landlords and sole traders will be required to:

If you want a broader overview of when the rules apply to property income, see MTD for Landlords: The £20,000 Threshold and What It Means for You.

1. Keep digital records of all income and expenses.

2. Submit quarterly digital updates to HMRC.

3. File a "Final Declaration" at the end of the tax year.

The rollout begins on 6 April 2026 for those with a "qualifying income" over £50,000, followed by those earning over £30,000 in April 2027.

Does Joint Property Get Its Own MTD Account?

The short answer is no. One of the most important things to understand about MTD for joint property is that each owner is treated as an individual taxpayer.

There is no "joint registration" for a property. Instead, your obligation to join MTD is based on your personal share of the gross rental income, plus any other self-employed income you might have.

The "Qualifying Income" Test

HMRC tests each individual against the MTD thresholds. If you own a property 50/50 with a partner, you only count your 50% share of the gross rent toward your personal £50,000 or £30,000 threshold.

Example:

• You and your spouse own a rental property that brings in £60,000 in total gross rent per year.

• You also have a small freelance business earning £25,000.

• Your spouse has no other income.

In this scenario, your "qualifying income" for MTD is £30,000 (your half of the rent) + £25,000 (freelance) = £55,000. You would be required to join MTD from April 2026. Your spouse, however, only has a qualifying income of £30,000, so they wouldn't need to join until April 2027.

Digital Record Keeping for Co-owners

Under MTD, you must keep digital records of your income and expenses. For joint owners, this can feel like a administrative headache: if two people are sharing the same bank account for the property, do they both need to record every single transaction?

Fortunately, HMRC has introduced some easements (special relaxations of the rules) specifically for joint property owners to simplify the process.

1. Aggregated Records

For jointly held properties, you are allowed to keep a single digital total for each category of income, rather than recording every individual payment received. Similarly, you can record a single total for expenses at the end of the year.

2. The Income-Only Quarterly Update

This is perhaps the most significant benefit for joint landlords. While sole owners must usually report both income and expenses every three months, joint owners have the option to:

• Report only their share of gross rental income in the quarterly updates.

• Defer the reporting of expenses until the end-of-year Final Declaration.

This "income-only" rule significantly reduces the amount of data you need to process every quarter, making it much easier for couples and partners to stay compliant without constant bookkeeping.

How to Handle the Split: Spouses vs. Business Partners

The way you split your income for MTD should mirror how you currently split it for your Self Assessment.

• Unmarried Partners/Friends: Income is usually split according to the beneficial ownership (often 50/50, but it can be different if specified in a legal agreement).

• Married Couples and Civil Partners: HMRC automatically assumes a 50/50 split for tax purposes, regardless of who actually owns what percentage. If you want to be taxed differently (to reflect actual ownership shares), you must file Form 17 and provide a Declaration of Trust.

If you use Form 17 to change your tax split, your MTD reporting must follow that same split. If you're unsure how your current split affects your MTD status, it's a good idea to consult a Self Assessment accountant who can review your situation.

Practical Tips for Joint Landlords

Transitioning to MTD doesn't have to be overwhelming. Here are three practical steps you and your co-owners can take now:

1. Choose Compatible Software

Since each owner needs to file their own updates, you’ll each need access to MTD-compatible software. Many software providers allow you to "link" accounts or share data, which can be helpful if one person handles the bookkeeping for both parties. You can learn more about digital tools in our MTD category.

2. Review Your Income Totals Now

Don't wait until 2026 to find out if you're in scope. Review your gross rental income from the 2024/25 tax year. Remember, it's the gross income (before expenses) that counts toward the threshold. For a practical look at how people are preparing, read MTD is Here: How Landlords and Sole Traders are Responding in 2026.

3. Coordinate with Your Co-owner

Even though you report separately, your data comes from the same source. Decide who will be responsible for maintaining the digital records of the property's "master" figures. It’s often easier if one person manages the digital records and provides the necessary totals to the other owner each quarter.

Partnerships vs. Joint Ownership

It is important to note that joint ownership is not the same as a partnership. If you and your partner own property together but are not a formally registered business partnership with a UTR (Unique Taxpayer Reference) for the partnership itself, you follow the joint ownership rules described above.

If you are a registered partnership, the partnership will have its own MTD obligations, which are separate from your personal tax reporting. For businesses structured this way, a limited company accountant or a partnership specialist can provide more tailored advice.

How Accountant Search Can Help

The new MTD rules for joint property are designed to be flexible, but they still require a level of digital accuracy that many landlords aren't used to. Navigating quarterly updates, especially when multiple owners are involved, can quickly become complicated.

At Accountant Search, we specialise in matching landlords and SME owners with the right accounting professionals. Whether you need help setting up MTD-compatible software, filing Form 17, or simply ensuring your quarterly updates are submitted correctly, we can connect you with an expert who understands the nuances of joint property tax.

Don't leave your compliance to the last minute. The sooner you understand how MTD affects your specific partnership, the smoother the transition will be in 2026. If you're also comparing your wider support options, our guide to Accounting Services UK: The Complete Guide to Finding the Right Accountant for Your Business is a useful next step.

Ready to find an accountant who specializes in property tax? Search our network today and get matched with a local expert.

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Author: Sam