Do I have to file at home while living in Netherlands?
For most people the answer turns on whether the ties that made them resident have actually ended. For a US citizen or green-card holder it does not: the return is due in Netherlands exactly as it would be at home. Everything else on the file follows from which of those you are.
Is there a treaty between my country and Netherlands?
That is verified rather than assumed: we confirm which treaty text governs Netherlands and your home country for the year in question, because a protocol can move a rate or an article between years. If there is no treaty, unilateral credit rules are what prevent double taxation.
I own property in Netherlands. Where is the rent taxed?
Where the property is. That is close to universal, and it usually arrives as withholding on the gross rent rather than as a return on the profit — which is why the election onto a net basis, where Netherlands offers one, is normally the first thing to check. Your home country taxes the same rent and credits what was paid.
Will my pension be taxed in the Netherlands or in the country that pays it?
Usually both countries have a claim and the treaty decides which one gives way. The country the pension is paid from often withholds when the money leaves, and the country you live in taxes the same payment again and gives credit for what was taken. Which side yields depends on the kind of pension: one earned in government service is treated differently from one built up with a private employer. The payer cannot work this out for you. It applies whatever instruction it holds on file, so the position has to be settled with the payer and with both revenue authorities before the first payment arrives.
Can Dutch withholding on my pension be reduced before it is paid?
Relief at source is normally an application rather than an automatic entitlement. The payer withholds at the domestic rate until it holds a valid instruction telling it otherwise, and that instruction is usually issued on the strength of a residence certificate from the country you now live in. The sequence matters more than the paperwork. If the first payments go out before the instruction is in place the excess is not lost, but it comes back through a refund claim that can take longer than the payments themselves. Settle the residence question first, obtain the certificate, and lodge it with the payer before the pension starts running.
Do I still have to file at home once I have retired to the Netherlands?
Often yes, at least for a while. Leaving is a question of ties rather than of address: where your home, your family and your financial life sit decides whether the country you left still counts you as resident. Even once it accepts that you have gone, income arising there can keep a non-resident filing obligation open, and some payments are handled by withholding alone with no return at all. The first piece of work is establishing which of those two positions applies to you, because they produce completely different annual paperwork and completely different deadlines.
How is a lump sum from my pension treated if I take it after moving?
A lump sum is the point where two systems are most likely to disagree. One country may treat the whole withdrawal as income of the year it is paid, another may look through to the years the entitlement was built up, and the treaty rule covering periodic pensions does not always cover a single payment in the same way. Because the payer withholds when the money moves, the decision is effectively made for you on the payment date. If a lump sum is being considered, the position is worth settling in advance of the instruction to the pension provider rather than after it.
I had a Dutch expatriate facility while working — does it continue into retirement?
No, not on its own. Those facilities have been aimed at people coming here to work, and their terms have changed more than once, so entitlement is confirmed from current filings rather than from what applied when you arrived. Retirement usually ends the employment the facility was attached to, which means the treatment of your income changes in the same year the source of that income changes. Payroll departments have been known to keep applying a facility to a final settlement payment made after the employment ended. That is worth checking before the year closes, because the correction is simpler then than afterwards.
Who taxes my pension if I move on from the Netherlands later?
The residence country changes and the source country does not, so the whole allocation is reopened by the move. A relief instruction lodged with your pension payer names the country you were living in when it was issued. It does not follow you, and a payer that is not told will carry on applying it. The new country then taxes the pension as a resident and expects credit claims to match what was actually withheld. In practice a second move means notifying the payer, obtaining a fresh residence certificate, and checking the first part-year in both places before either return is filed.
Does the United Kingdom have a tax treaty with the United States?
Yes — the UK and the USA have one, and so do around sixty other jurisdictions including Canada, India, Australia, Mexico, Brazil and most of western Europe. The existence of a treaty is rarely the useful fact, though. Two people in two treaty countries can get opposite answers on the same pension or the same royalty, because what decides the outcome is the specific article for that income type and any limitation-on-benefits condition attached to it. See our country guides.
How do I get back tax withheld in another country?
By the route that country provides, and it is rarely automatic. Where an elective return is available — on rent or pension income, for instance — filing it recomputes the tax on net income and refunds the difference. Where it is not, you file a refund claim with the withholding authority, supported by evidence of your residence and entitlement to the treaty rate. Both take time, which is why fixing the rate before payment is worth more. See withholding refund and recovery.