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RentalBux – HMRC-Recognised MTD Software for UK Resident Landlords with UK + Foreign Property Income

Whether you own UK rental homes, overseas properties, or both, RentalBux makes MTD for mixed portfolio landlords effortless..
HMRC recognised for MTD, RentalBux helps UK tax-resident landlords track UK and foreign rental income, convert currencies, manage allowable expenses and submit quarterly updates plus year-end final declarations seamlessly. You focus on property portfolios and tenant management; we handle digital bookkeeping, MTD reporting and HMRC compliance.

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Why Landlords Rely On Us

Trusted by thousands of UK landlords with foreign propertiey

★ ★ ★ ★ ★

RentalBux finally gave me peace of mind.


Even after trying several tools, I was struggling with my portfolio of three rentals. MTD just added to that struggle. But then, I was introduced and all my worries disappeared. MTD submissions in minutes, track each property separately, allocate profit sharing. Wow!

JO

James O.

Landlord & Property Investor

★ ★ ★ ★ ★

Built for landlords, used by landlords.


As a landlord managing 12 units across two ownership structures and some self-employment income, I needed something that handled everything. RentalBux was the only software that did that.

MR

Maya R.

Portfolio Landlord & Letting Agent

★ ★ ★ ★ ★

Time saved.


Switching to RentalBux was one of the best decisions I made. Especially the joint-ownership module. Our family property had three owners with different shares, and RentalBux handled it quite efficiently.

MC

Michael Chen

International Landlord, Birmingham

Check if you need to join Making Tax Digital

Answer four quick and easy questions and see whether and when you need to start complying with MTD requirements. A few seconds to determine your eligibility and get guarantees on how you need to proceed.

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HMRC Compliance Tool

Making Tax Digital Checker

Find out when (and if) you need to join Making Tax Digital for Income Tax Self Assessment

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1

Are you digitally excluded?

Digital exclusion means you cannot use digital tools due to age, disability, or lack of reliable internet access.

2

Do you have a National Insurance number?

A National Insurance number is required to join MTD for Income Tax.

3

Why do you need to send a Self Assessment tax return?

Select the main reason for submitting a Self Assessment return.

4

What is your expected qualifying income?

Enter your total gross income before expenses from self-employment or property.

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We'll use this to determine your Making Tax Digital start date based on HMRC thresholds.
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What RentalBux Does for UK Resident Landlords with UK + Foreign Property Income

Everything you need to comply with MTD for your UK and overseas rental business:

Digital Records

Record all your UK and overseas rental income and property expenses in one place. RentalBux keeps fully MTD-compliant digital records, supports multiple currencies for foreign properties, and automatically converts all overseas income and costs into HMRC-approved GBP values. 

Quarterly Update Filing

Easily submit quarterly updates for both UK and overseas rental income. RentalBux automatically categorises all income and expenses according to HMRC’s MTD reporting requirements, making your quarterly submissions fully compliant.  

Final Declaration

At year-end, RentalBux makes it simple to: confirm your totals, include other income streams, claim eligible deductions and reliefs and any final adjustments to your tax position using MTD software for mixed portfolio landlords.

Why Rentalbux for UK Resident Landlords with UK and Foreign Property Income?

Built for foreign property landlords. Manage property income, expenses, and MTD tax filing all in one place.

Designed by Accountants Who Understand Mixed Property Portfolios

RentalBux is built with input from accountants specialising in UK tax-resident landlords who own both UK and overseas properties. It handles complexities such as multi-currency foreign income, UK rental income, foreign tax credit, maintenance costs across multiple locations, and MTD cross-border reporting requirements for MTD for mixed portfolio landlords.

HMRC-Recognised Software for Making Tax Digital (MTD)

RentalBux is fully HMRC-recognised for Making Tax Digital for Income Tax, ensuring every submission, quarterly update, and final declaration meets digital reporting rules. It gives you complete compliance confidence.

Property Portfolio Chart of Accounts

Forget generic categories. RentalBux provides a unified chart of accounts for both UK and foreign rental income, mortgage interest, insurance, maintenance, and professional fees. Expenses and income are automatically allocated per property, with foreign transactions converted into GBP for HMRC-compliant reporting.

Simple Enough for Non-Accountants

Clear dashboards, step-by-step workflows, and no accounting jargon. Even if you’ve never used bookkeeping software, you can manage your rental income confidently without worrying about juggling UK and overseas records or managing multiple spreadsheets, thanks to MTD for mixed portfolio landlords tools.

Feel the Difference RentalBux Makes

Real challenges jointly owned property landlords face, and how RentalBux solves them

Challenges Mixed Portfolio Landlords face How RentalBux Solves It
Tracking rental income from UK and overseas properties in multiple currencies is complex. RentalBux automatically records all rental income, converts foreign currencies to GBP, and keeps UK and foreign income organised for separate and accurate quarterly updates & year-end MTD compliance.
Managing foreign property expenses, mortgage interest, insurance, and professional fees can be time-consuming and error prone. Snap receipts, upload invoices, or import statements; RentalBux categorises all expenses by property and type, including overseas costs, ensuring HMRC-compliant digital bookkeeping.
Calculating foreign tax credits and avoiding double taxation is confusing. RentalBux tracks foreign tax paid per property, organising all relevant data so you or your accountant can apply the correct foreign tax credit during the year-end final declaration.
Preparing quarterly updates and year-end final declarations for mixed UK and foreign portfolios can be overwhelming. Guided workflows, automatic reminders, and HMRC-recognised submissions make reporting for both UK and foreign rental income straightforward, accurate, and fully compliant.

Get MTD-Ready in One Call

Book a quick setup session. We’ll walk you through the dashboard, map your income streams, and show you how quarterly updates work, no technical preparation required.

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Frequently Asked Questions

Find answers to common questions about our services and solutions.

Does foreign rental income count toward the MTD threshold?▼

Yes. For UK tax residents, the MTD threshold includes all qualifying income, combining UK and overseas properties and self-employment income if any. If your total qualifying income exceeds £50,000 in the tax year 2024/25, you must comply with MTD for mixed portfolio landlords from 6 April 2026. This requires keeping digital records. Foreign rental income must be converted into GBP for HMRC reporting.

Is it gross rental income or net profit that counts for the MTD threshold? ▼

MTD considers gross qualifying income, which includes all rental income from UK and foreign properties before deducting allowable expenses. This ensures that all your rental income streams are correctly assessed for digital reporting obligations.

How do I apply foreign tax relief or foreign tax credit under MTD?▼

UK tax residents can claim foreign tax relief or a foreign tax credit on overseas rental income to avoid double taxation. You must keep detailed digital records of foreign tax paid per property, along with supporting documents. These are included in the year-end final declaration, allowing your accountant or HMRC-approved MTD software for mixed portfolio landlords to calculate the correct relief for each foreign property.

Do I need separate quarterly updates for UK and foreign properties? ▼

Yes. While all rental income contributes to your overall MTD obligations, UK and overseas are reported separately in quarterly updates. For example, if you have two UK properties and one overseas property, you may submit three sets of quarterly updates, one for each property type. Digital record-keeping must clearly distinguish UK property income from foreign property income to comply with HMRC reporting rules under MTD for mixed portfolio landlords.

Who is exempt from MTD? ▼

Some landlords may qualify for digital exemptions under HMRC rules, including those who:

  • Have health or age-related challenges making digital record-keeping difficult

  • Hold religious beliefs preventing the use of digital tools

  • Face limited internet access or technical difficulties due to location

Landlords who meet these criteria can apply to HMRC for an exemption. Otherwise, all UK tax residents with qualifying rental income—UK, foreign, or both—must comply with MTD rules from 6 April 2026 using MTD software for mixed portfolio landlords.

Can jointly owned properties overseas affect my MTD obligations?▼

Yes. If you co-own foreign rental properties, each co-owner reports only their share of income and allowable expenses. The MTD threshold is assessed individually for each joint landlords, so you may need to maintain separate digital records for your portion of income and expenses for quarterly updates and the final declaration.

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