How to manage your UK property and mortgage when moving back to South Africa

For many South African expats returning from the UK, property is often one of the most complex financial decisions to manage. It affects your tax position, mortgage arrangements and future income planning, with decisions made before you leave having a lasting impact on cost and flexibility.

With the right structure in place, your property can continue to generate value. Without it, you risk tax exposure and unnecessary complications.

Here are the key considerations to get right before you move.

1. Tax and compliance

Before leaving the UK, it is important to formalise your non-resident status.

Submit a P85 form to HMRC to confirm that you are no longer a UK tax resident and to ensure your tax position is correctly updated after you relocate.

If you plan to rent out your property, you should also apply for the NRL1 form.

Why this matters

The NRL1 form allows individual non-resident landlords to receive rental income from UK property without UK tax being deducted at source, improving cash flow and giving full control over their tax position.

Without this step, letting agents are required to withhold tax before paying you.

2. Renting out your property

Many expats assume they can move abroad and rent out their home, but this depends on their mortgage terms.

Most people:

• Own property on a residential mortgage
• Expect to switch to a buy-to-let before leaving

However, most UK high street banks do not lend to non-UK residents. If you apply to change your mortgage after relocating, your application may be declined.

You may be able to apply for consent to let, allowing you to rent out your property while keeping your existing mortgage.

• Typically available after six months
• Valid until the end of your current mortgage term
• May include a fee or a small rate increase

This means you can generate rental income without needing to refinance immediately.

3. Don’t overlook your UK bank account

This is one of the most common oversights. Once you become a non-UK resident, some banks may close your account within six months.

This can disrupt:

• Rental income payments
• Mortgage repayments
• Ongoing property expenses

It’s important to plan ahead to ensure you have a reliable banking structure in place before you leave.

4. Mortgage options once you leave

It is still possible to hold or obtain a UK mortgage as a non-resident, but access to specialist mortgage advice becomes more important as options narrow.

You will likely need to consider:

• Offshore banks in Jersey, Guernsey or the Isle of Man
• Private banks
• Specialist lenders

Most high street lenders do not accommodate non-residents. Restructuring your mortgage before leaving the UK gives you access to a wider and more competitive range of options.

5. What lenders will look at

Non-resident applications are assessed more carefully and require more documentation.

Lenders typically focus on:

Your country of residence

Where you live affects which lenders are available and how your application is viewed.

Your income structure

• Salaried income is generally more straightforward
• Self-employed applicants face stricter requirements

You may need:

• Two years of tax returns
• Company financials
• Accountant-certified accounts

Your documentation

Expect to provide:

• Bank statements
• Payslips
• Proof of address
• Passport
• Rental agreements (if applicable)

The more complex your profile, the longer and more detailed the process.

6. Expect higher costs

Non-resident mortgages typically come at a premium.

• Interest rates are often 1 to 2% higher than standard UK mortgages

This reflects reduced lender choice and increased risk.

Even a small increase in rate can significantly affect your monthly repayments and long-term returns.

7. Timelines are longer than you think

Mortgage timelines change once you become non-resident.

• UK residents: around two to four weeks
• Non-residents: typically six to eight weeks

This is due to:

• Additional documentation requirements
• More detailed financial assessments
• Manual underwriting

Plan early to avoid delays, especially if your move has a fixed timeline.

8. Finalise your UK property strategy before you move

Leaving the UK while holding property requires careful financial planning advice. With the right structure in place, you can:

• Generate consistent rental income
• Reduce unnecessary tax leakage
• Secure appropriate financing
• Protect your long-term wealth

Expert guidance for returning expats

For a limited time, our wealth advisers are offering complimentary consultations for expats looking to return home to South Africa.

In addition to managing your UK property, we can help you understand:

• Cross-border tax planning
• Changes in tax residency
• Pensions and investments
• Foreign exchange
• And everything else you need to ensure a smooth financial transition

If you are a South African expat in the UK considering a return home, expert guidance can make a meaningful difference. We help you align your UK property, mortgage and cross-border finances for a smooth transition. Speak to our team today for tailored advice. Email [email protected] or give us a call on +44 (0) 20 7759 7519.