From white sandy beaches, to expansive wine farms, high-end eateries and beautiful mountains, South Africa is home to almost all 200,000 British retired.
As confidence grows in the country, reports predict that this trend is likely to increase further British citizens View South Africa as an attractive retirement destination, combining lifestyle appeal with favorable cost dynamics.
But the transition is rarely straightforward as cross-border retirement planning introduces a layer of complexity that demands careful consideration of residency rules, asset location, tax treaties and changing legislative landscapes.
These ideas are best explained through a practical lens, focusing on a case study of a UK national who relocated to South Africa and built a portfolio in both jurisdictions.
A dual jurisdiction financial profile
In this case, the client was a UK citizen who became a South African permanent resident in the early 2000s, with the majority of his assets accumulated in the UK. His portfolio, valued at around R30 million, is particularly heavily concentrated in UK pension funds, property and cash holdings.
This profile is not unusual. Many migrants retain inherited assets in their country of origin while establishing residence elsewhere. Although this may appear to provide stability, it introduces significant tax risks in many regimes.
Crucially, South Africa taxes South African residents on their worldwide income. This means that even if the assets remain offshore, they come into the South African tax bracket once residence is established and are therefore subject to any double taxation agreements.
The inheritance tax landscape is changing
One of the most significant risks relates to UK Inheritance Tax (IHT). Currently, some pension assets are excluded from IHT calculations. However, from 6 April 2027, UK pension funds will be included in the asset calculations, significantly increasing the risk.
In the presented case, a UK net worth of approximately GBP1.3 million would result in a substantial tax liability under the new rules. After applying available spousal and personal allowances, the taxable estate could be subject to inheritance tax of approximately GBP260,000 at a rate of 40%.
Therefore, cross-border retirement planning needs to anticipate legislative changes, not just current rules. Assets that appear tax-efficient today may become significantly less so in the near future.
Capital gains tax: navigating dual systems
Capital gains tax (CGT) is another complex area. In this case, UK rental property plays a central role. The property was originally acquired in 2000 and later rented out after the owner relocated to South Africa.
When disposing of such assets, there may be a claim from both the UK and South African tax authorities, with the UK taxing gains on UK-based assets, and South Africa taxing residents on worldwide capital gains.
However, the double taxation agreement (DTA) between the two countries prevents double taxation by allowing credit in South Africa for tax already paid in the UK.
In practical terms, the UK CGT liability in this case was calculated to be approximately GBP7,000 (R154,000), while the South African CGT amount before exemptions and credits was R430,000. After applying UK tax credits, the final amount payable to SARS reduced to R276,000.
This shows how the interplay between tax systems can materially affect outcomes, and why coordinated advice across different jurisdictions is essential.
Role of relief and evaluation
Another layer of complexity arises from relief and assessment methods.
In this scenario, two possible CGT approaches were considered, and it is important to obtain UK tax advice to ensure the correct law and calculations are followed:
- Private Residence Relief (PRR): Because the owner lived in the property for a portion of the ownership period, partial relief may reduce taxable gain.
- April 2015 assessment: For non-residents, UK law allows revaluation of property values until April 2015, potentially reducing taxable profits.
Each method produces different tax results, and requires detailed analysis and professional input to determine the optimal approach.
If you do not have a formal historical assessment, this can further complicate the process, so it is important to maintain accurate records.
Income, currency and long term wealth
Cross-border taxation is not limited to capital events. Rental income is also taxed in both jurisdictions, and assumptions about currency movements and growth rates can impact long-term planning.
In this case, the rental property generated an annual net income before tax of £14,602. It is important to have a plan for these funds that includes tax, rental conditions and how the surplus will be invested as per one's goals.
Strategic Decisions: Diversification and Reallocation
The case study ultimately highlights the shift toward diversification and tax efficiency, where we have fallen short Reinvesting excess UK cash into holdings and development assets. Sale of UK assets also considered Redeploy capital into a diversified portfolio. we also searched Options for moving assets out of the UK to reduce UK inheritance tax risk.
These decisions reflect an overarching principle: cross-border portfolios should be actively managed, not passively inherited.
A coordinated approach is non-negotiable
Perhaps the most important measure is the need for a portfolio that is actively managed (rather than passively inherited) as well as having integrated advice to determine the applicable CGT methods,
For UK citizens retiring to South Africa, cross border tax planning is a dynamic environment that requires active management.
Making informed decisions, based on expert advice and forward-looking analysis, can significantly enhance long-term financial outcomes for UK citizens wishing to retire in South Africa, while minimizing avoidable tax risks.
Luke Hurst CFP® Wealth Manager at Private Client Holdings.