Best MTD Software for a One-Property Landlord (2026): Keep It Simple & Cheap
Last updated 24 June 2026 · 8 min read · By the LandlordTaxAi Editorial Team
The short answer
With one rental property, the best MTD software is the cheapest HMRC-recognised tool that covers UK property income. Strong options include FreeAgent (free with a NatWest, RBS, Ulster or Mettle account), low-cost sole-trader tiers, and a spreadsheet plus bridging software. You don’t need a full accounting platform.
If you let a single property, the MTD software market can feel like overkill — most tools are built for businesses with far more going on. The good news: a one-property landlord has simple needs, so you can stay compliant cheaply, sometimes for free.
This guide picks the best low-cost routes for a single rental in 2026 and what to check. Software pricing and offers change, so confirm the current details before signing up. First, make sure you’re actually in scope with the MTD threshold calculator.
Free calculator · no sign-up
MTD Threshold Checker
Confirm whether your single rental needs MTD software, and from when.
Result
- Total qualifying income
- £28,000
- You must use MTD for Income Tax
- From 6 April 2028
Choose only HMRC-recognised software covering UK property. Pricing changes — check current. Estimate only.
What a one-property landlord actually needs
Your requirements are modest: record one stream of rent and a handful of expenses, file four quarterly updates, and do the year-end final declaration. You don’t need payroll, projects, multi-currency or complex reporting.
So the deciding factors are simply cost and that the tool is HMRC-recognised and covers UK property income.
Don’t over-buy. A feature-packed accounting platform is wasted on one flat — pick the simplest compliant option and keep your costs down.
The cheapest routes to compliance
Here are the strongest low-cost options for a single rental. All must be HMRC-recognised and cover property income.
| Option | Cost | Good to know |
|---|---|---|
| FreeAgent (bank-linked) | Free with NatWest/RBS/Ulster/Mettle | Fully featured if you bank with them |
| Low-cost sole-trader tiers | Low monthly fee | Check it covers UK property, not just trade |
| Spreadsheet + bridging software | Often just the bridging cost | You do the data entry manually |
| Landlord-specific apps | Varies | Built around property; check pricing |
Some low-cost "sole trader" tiers are aimed at the self-employed and may not fully support property income — confirm UK property is covered before you commit. See free MTD software for landlords.
How to choose for one property
Work through it in order of cost, and stop at the first option that fits.
Simple software for a simple let
LandlordTaxAi keeps a single rental effortless — connect your bank, let it categorise the transactions, and your MTD updates are ready with no accounting jargon.
See how it worksA worked example
Tom lets one flat and wants the cheapest compliant route for April 2026.
| Banks with NatWest | Free FreeAgent — £0 software |
| Confident with spreadsheets | Spreadsheet + bridging — minimal cost |
| Wants automation, banks elsewhere | Cheapest tier covering UK property |
| Must | HMRC-recognised + covers final declaration |
For a single flat, Tom can very likely get compliant for free or near-free — there’s no need to pay for a full accounting suite.
Frequently asked questions
What’s the best MTD software for one property?
The cheapest HMRC-recognised tool that covers UK property income. FreeAgent (free with NatWest/RBS/Ulster/Mettle), low-cost tiers, or a spreadsheet plus bridging are all strong for a single let.
Do I need to pay for software with one property?
Not necessarily. Free FreeAgent with a qualifying bank account, or a spreadsheet with bridging software, can keep your costs at or near zero.
Is free software good enough for one property?
Often yes — a single rental has simple needs. Just confirm the free tool covers UK property income and the year-end final declaration.
Can I use a spreadsheet for one property?
Yes, with bridging software to file to HMRC via a digital link. It’s the lowest-cost route if you’re comfortable doing the data entry.
What must the software cover?
It must be HMRC-recognised, support UK property income, and handle both quarterly updates and the final declaration.
Will I outgrow a cheap tool?
Only if you buy more property. For a single, stable let, a simple low-cost tool is all you need.
Written and reviewed by the LandlordTaxAi Editorial Team. Our guides are reviewed against current HMRC guidance and updated when the rules change. Operated by LandlordTaxAi, United Kingdom. Follow us on LinkedIn.
Last reviewed: 24 June 2026 · Researched against primary UK sources for the 2026/27 tax year: https://www.gov.uk/guidance/find-software-that-works-with-making-tax-digital-for-income-tax; https://www.gov.uk/guidance/choose-the-right-software-for-making-tax-digital-for-income-tax; https://www.freeagent.com/mettle/. This article is informational only and does not constitute tax advice. Check the latest details on GOV.UK or with a qualified accountant.