BUZZ ACCOUNTINGUK tax help in Canada
The CRA taxes residents on worldwide income, the UK keeps first bite of UK rent and property gains, and the UK State Pension freezes in Canada. Here's how the two systems fit together.
Canada, like Australia, taxes its residents on worldwide income — so a Brit in Toronto with a flat in Manchester files in both countries on the same rent. Double tax is avoided by treaty credit, not by hoping one side forgets.
The UK side, done from here
- Non-resident landlord returns — NRL1 to stop the 20% withholding, annual Self Assessment with the residence pages, allowance claim checked against your nationality and the UK–Canada treaty.
- Property sales — the 60-day return, rebasing to 2015 where it helps, then handing your Canadian accountant a computation the CRA credit claim can stand on.
- UK companies — Canada is strict on corporate residence and on passive income in foreign companies; running a UK Ltd from Canada long-term needs both a clean UK position (ours) and Canadian advice. We coordinate rather than pretend one side covers both.
- State Pension — Canada is a "frozen pension" country: your UK State Pension never gets annual rises once in payment there. Voluntary NI can still be excellent value — each Class 2 year costs ~£182 and buys ~£340/year of (frozen) pension — but the freeze belongs in the calculation, so we put it there.
Departure year matters too: leaving the UK mid-tax-year triggers split-year claims and usually a PAYE refund via your final return — see leaving the UK.
Three Canada stories we see every month
Names changed, numbers real. If one of these is you, the fix is usually days of work, not months.
The Toronto secondee who kept the flat
Two-year secondment became permanent residence. Flat in Reading rented; nobody told the lender, HMRC or the letting agent. Backfilled two NRL returns, refund £2,300, CRA returns amended by her Canadian accountant using our computations — credit claimed, nothing taxed twice.
RRSP or UK pension years?
The question every UK-Canada client asks. We stick to the UK facts: six Class 2 years cost about £1,090 and add about £2,050/yr of (frozen) pension. The RRSP side is her Canadian adviser's; the two of us on one email thread settled it in a week.
Selling the buy-to-let from Vancouver
Completion 14 March, client found the 60-day rule on day 41 via Google. Return filed day 55: gain £84k after 2015 rebasing, tax on account £18,700. CRA return then claims the credit. Two days later and penalties would have started stacking.
Canada × UK: the quick facts
| Question | Short answer |
|---|---|
| Local tax system | Worldwide income (CRA), calendar year |
| UK personal allowance | Depends on nationality/treaty — we check, not assume |
| State Pension uprating | Frozen in Canada |
| Watch for | Running a UK Ltd from Canada — both sides claim; needs coordinating |
| Double tax | Treaty credit; UK computation feeds the CRA claim |
Tax years: Canada uses the calendar year; the UK 6 April–5 April.
Asked from Canada, constantly
My accountant in Toronto says they'll handle everything — do I still need a UK accountant?＋
For the UK return, yes: CRA software doesn't file UK Self Assessment, and the credit they claim needs a correct UK computation behind it. Best setup: one of each, talking.
What happens to my ISA in Canada?＋
No UK tax as ever, but Canada taxes the income and gains inside it — the wrapper is invisible to the CRA. Factor that before you keep contributing.
The CRA and HMRC use different tax years. Which numbers go where?＋
Both calendar (Canada) and 6 April (UK) versions of the same income exist. We produce the UK computation with a month-by-month schedule so the Canadian side can slice it correctly.
What most Canada clients have us do
Read before you pay anyone.
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Voluntary National Insurance from abroad
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Your country changes the answer.
The UK side is only half the story — what your new country taxes, credits and freezes decides the rest.