Tax Treaties & Your Income

Assurance Vie sounds like a direct translation of Life Insurance — it isn't. Here's what it actually is, how it differs from ISAs and SIPPs, and how France taxes each one.

UK dividends and bank interest are fully taxable in France — the UK tax-free allowances don't apply here. Here's exactly which forms and boxes to use, and how your S1 status and flat tax decision change what you enter.

If you own a UK rental property and live in France, you must declare that income in France — on top of any UK reporting obligations. Here's how the French declaration works for both unfurnished and furnished lets.

Live in France with UK income? The France-UK tax treaty decides which country taxes what — and getting it wrong means overpaying or underpaying. Here's how it works and what you need to do.

France taxes investment income at a flat 31.4% by default. Ticking one box can lower that — but only if your overall income is modest. Here's how to know which option saves you money.

Your UK Government Service Pension is taxed only in the UK — but NHS and Teachers Pensions don't qualify, a common mistake that can lead to underpaid tax. Here's what qualifies and how to declare it correctly.

UK ISAs have no special status in French tax law — interest, dividends and gains inside them are fully taxable. SIPPs are treated as private pensions. Here's what it means in practice.

Most people assume their UK private pension stays taxed in the UK. Once you're France-resident, it isn't — and you might be paying tax twice. Here's how France taxes it, how much the S1 can save you, and which forms to use.

Your UK State Pension is taxed in France, not the UK — and if you have an S1, it changes what you owe significantly. Here's exactly how to declare it and which boxes to use.

Have a UK pension and live in France? The rules depend on pension type — and getting it wrong means the wrong tax bill. Find your situation in 60 seconds.

If you hold or have sold crypto and you're a French tax resident, you have obligations whether or not you made a profit. Here's what you need to declare and how.

Have UK income and live in France? Form 2047 is where it all starts — get this form wrong and figures end up in the wrong place or don't appear at all. Here's exactly how to complete it.

Step-by-step guide for frontier workers living in France and working in the UK via PAYE. Learn how to calculate your Net Imposable, which boxes to use on Forms 2047 and 2042, and how to claim the double tax credit.