Should You Volunteer for MTD Early? 2026 Landlord Decision Guide

If your rental income is under the Making Tax Digital threshold, you don’t have to send quarterly updates yet. MTD for Income Tax started for £50,000+ landlords on 6 April 2026. The £30,000 tier joins from 6 April 2027, and the £20,000 tier from 6 April 2028. Below the current threshold, you carry on with Self Assessment as before.

But HMRC also runs a voluntary sign-up route. Landlords under the mandated threshold can opt into MTD ITSA any tax year, and once signed up they commit to quarterly updates for that year. The obvious question: is it worth doing?

For most under-threshold landlords the answer is no: the extra filings cost time and possibly extra software, and the tax outcome is unchanged. But in some situations volunteering saves money or makes your first mandated year much easier. This guide walks through them.

Not tax advice. Take advice on your own position, because the decision depends on your marginal rate, portfolio complexity and existing bookkeeping.

What "volunteering" means in practice

You sign up through HMRC’s online service, for the current tax year or the next one. Once signed up:

• You commit to four quarterly updates and a final declaration for that tax year, on the same deadlines as mandated landlords (7 August, 7 November, 7 February, 7 May, plus 31 January the following year).
• You can opt out through your HMRC online account. Check GOV.UK for what happens to updates you have already sent.
• Penalties are different while you volunteer. GOV.UK: “While you are volunteering you will not get penalties for missing quarterly update deadlines.” A late tax return and late payment still carry penalties.
• Your tax outcome is unchanged. MTD is a filing mechanism, not a new tax. You will pay the same tax as under Self Assessment; you just report it four times a year instead of once.

Whether or not you sign up this year, the records are the same work. From £7.99 a month, LetCompliance keeps the rent and each property’s costs as the year runs, with bank statements imported from a CSV, and sends the quarterly updates to HMRC if you do volunteer. LetCompliance is recognised by HMRC for Making Tax Digital, for UK property income. Get started

The default case: don’t volunteer

For most landlords with property income under £50,000 and a simple portfolio, the default answer is stay on Self Assessment. Here’s why:

• Extra filings, no tax saving. You go from one annual return to four quarterly updates plus a final declaration.
• Software cost. If you use paper records or a simple spreadsheet today, you need MTD-recognised software to file. Some software is free; paid plans vary.
• Time cost. Each quarterly update takes time you didn’t used to spend, even when your records are in good order.
• Penalty rules. You can opt out through your HMRC online account (check GOV.UK for what happens to updates already sent), but the new penalty rules you agree to at sign-up stay with you even if you stop volunteering.

The default is: wait until your tier mandates you.

When volunteering makes sense

Specific situations flip the calculus.

1. Your income is close to the mandatory threshold.

If your gross property income for 2024/25 was £45,000–£50,000, you will almost certainly have to join from April 2027, when the £30k tier is read from your 2025/26 return. If self-employment took your 2024/25 total over £50,000, you are already in. Volunteering for 2026/27 lets you learn the system before you have to use it, and GOV.UK says that while you are volunteering you will not get penalties for missing quarterly update deadlines. Making software mistakes now (when it costs at most a tax-adviser correction) is safer than making them in your first mandated year.

2. You have complex property income and want quarterly checkpoints.

Landlords with 5+ properties, mixed HMO/single-let portfolios, or a mix of furnished/unfurnished properties benefit from being forced to reconcile every quarter. It surfaces errors (miscoded expenses, missing receipts, tenant deposits confused with rent) while they are still fixable. If your Self Assessment is a January scramble, MTD converts that into four smaller efforts.

3. Your accountant charges by the return, not by the hour.

Some accountants charge a fixed fee per Self Assessment return but hourly for MTD ITSA. Others do the reverse and include MTD ITSA in a monthly subscription package. If your accountant is in the second camp, volunteering doesn’t add to their bill (you already pay for the monthly work) and you get the quarterly discipline.

4. You have a spouse who is mandated and you want unified bookkeeping.

Under Form 17 or unequal beneficial ownership, one spouse may cross the threshold while the other doesn’t. Running one spouse on MTD and the other on Self Assessment creates dual bookkeeping. Volunteering for the below-threshold spouse harmonises the workflow.

5. You have self-employment already in MTD.

If you have self-employment income and are in MTD ITSA for that (£50k+ combined threshold), you may be filing quarterly updates for the self-employment side. Volunteering for property income means one set of software, one workflow.

6. You are testing software before the mandate.

The most defensive reason. If the £30k mandate hits you in April 2027, better to have chosen your software, learned its quirks and integrated your bank feeds before you legally have to. HMRC’s recognised list had 144 products in September 2026; some are strong for landlords, others are basic. A year of voluntary use is a decent test drive.

When volunteering is a mistake

1. You have a simple, low-rent portfolio.

One property grossing £6,000 in rent, minimal expenses, one bank account. Volunteering adds four quarterly updates a year for zero tax benefit.

2. You are planning to sell your rentals in the next 2–3 years.

There is little point learning MTD if you are exiting the market before the mandate would catch you. Wait it out. If you are close to selling anyway, the CGT return is more important than the MTD Q1.

3. You have no software, no bookkeeping habits and no time.

MTD ITSA requires digital records. If you currently keep receipts in a shoebox and file Self Assessment on 30 January by scrolling through your bank app, jumping into MTD is a system change that has to happen first. Bookkeeping systems take months to embed. Do that before, or alongside, but not by volunteering into a live regime.

4. You want to withdraw from Self Assessment altogether.

Some landlords hope MTD will let them stop filing anything. It doesn’t. The final declaration is your tax return, still an annual filing with the same deadline (31 January), sent through MTD software. MTD adds four quarterly updates; it doesn’t remove the annual return.

Penalties: volunteers and mandated landlords

GOV.UK has separate penalty guidance for each group.

Volunteers: “While you are volunteering you will not get penalties for missing quarterly update deadlines.” A late tax return still gets a penalty point, and late payment penalties still apply.

Mandated landlords: there are no penalties for missing a quarterly update deadline for the 2026 to 2027 tax year. For later tax years each missed quarterly update deadline gets a point, and 4 points bring a £200 penalty.

If you volunteer for 2026 to 2027 and are then required to use MTD from 6 April 2027, the rules for mandated landlords apply from then. GOV.UK’s volunteer guidance gives exactly that example.

How to volunteer if you decide to

1. 1Choose software that works with MTD for Income Tax. HMRC lists compatible products on GOV.UK. LetCompliance is recognised by HMRC: it keeps the rent ledger and each property’s costs in MTD shape and sends your quarterly updates for UK property income, on every paid plan from £7.99 a month.
2. 2Sign up at gov.uk/guidance/sign-up-for-making-tax-digital-for-income-tax: HMRC requires your UTR, National Insurance number and details of your property (or self-employment) business.
3. 3Start recording digitally from the tax year start. MTD requires digital records (bank feeds, spreadsheets or manual entry) from 6 April of the year you sign up.
4. 4Diary the four quarterly deadlines. 7 August, 7 November, 7 February, 7 May. Non-negotiable.
5. 5Diary the 31 January final declaration. Same deadline as Self Assessment, but the return itself is a MTD final declaration through software.

If it isn’t working, you can opt out through your HMRC online account. Check GOV.UK for what happens to updates you have already sent.

Sources

• GOV.UK: Sign up for Making Tax Digital for Income Tax
• GOV.UK: Find out if and when you need to use Making Tax Digital for Income Tax
• GOV.UK: Penalties for Making Tax Digital for Income Tax volunteers
• GOV.UK: Choose the right software for Making Tax Digital for Income Tax