Understanding Tax When You Have Multiple Income Streams

23 Jun 2023

Managing taxes can be a challenging task, particularly if you’re a business owner with multiple income streams. The UK’s tax legislation is multifaceted and requires a strong understanding to ensure compliance and optimise potential savings. This article offers a comprehensive overview of key tax considerations when navigating various income streams, demystifying the complex world of UK tax legislation.

Multiple Income Streams and Taxation

In the UK, income tax is calculated based on the total taxable income from all sources, after permissible deductions and allowances. When you have multiple income streams, they are typically combined and subjected to the standard income tax bands. The tax bands for the current tax year (subject to change) are as follows:

Personal Allowance

Up to £12,570 – 0% tax

Basic rate: £12,571 to £50,270 – 20% tax

Higher rate: £50,271 to £150,000 – 40% tax

Additional rate: Over £150,000 – 45% tax

For the most up-to-date thresholds and tax rates, please refer to the HMRC’s website.

Each type of income stream may have specific tax considerations. Here are a few examples:

Employment income

Taxed at source via the PAYE (Pay As You Earn) system. Additional income must be reported through a Self-Assessment tax return, including overtime, bonuses, and benefits in kind.

Dividend income: Taxed at a different rate to other income. There is a dividend allowance in 2023-24 of £1,000 per annum, beyond which tax is payable on dividends.

Rental income

Declared on a Self-Assessment tax return. Taxable after deducting allowable expenses, such as mortgage interest, maintenance costs, and insurance fees.

For detailed information on these and other types of income, please refer to HMRC’s income tax guide.


Case Study:

Let’s take an example of Sarah, a business owner with multiple income streams. She earns £60,000 per annum as a company director, receives £10,000 as dividend income from her shares, and generates £15,000 from a rented property.

Sarah’s employment income falls into the higher tax rate band, so she pays 40% tax on the portion above the basic rate threshold. The dividend income is subject to the dividend allowance of £1,000 (in 2023-24), and any amount above that is taxed at the applicable dividend tax rates. The rental income, after deducting allowable expenses, is taxed at her marginal rate.


Navigating taxes with multiple income streams can be complex, but it’s crucial to ensure compliance and optimise tax liabilities.

Planning and Advice

Strategic tax planning is essential when dealing with multiple income streams. Understanding tax reliefs, allowances, and deductions can make a significant difference in your tax liability. For instance, pension contributions or charitable donations could reduce your taxable income. Moreover, utilising tax-efficient structures like limited companies or partnerships may offer additional advantages.

Given the complexities involved, seeking professional advice is wise. Tax advisors can provide tailored strategies to navigate tax obligations effectively, ensuring compliance with legislation while optimising tax advantages.

Read the full article for a comprehensive understanding of tax considerations with multiple income streams in the UK. [Insert link to the full article]

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Link to HMRC website: https://www.gov.uk/income-tax-rates