Quick Answer

How Do I Remortgage to Interest Only?

Reviewed by Jay SabineCeMAP Qualified29 years experience

You need 50%+ equity, a credible repayment strategy for the capital, and to pass affordability. Fewer lenders offer interest only - use a broker to find options.

Remortgaging to interest only means your monthly payments only cover the interest, not the capital. The full loan balance remains outstanding until the term ends, when you must repay it. To qualify, lenders typically require: low LTV (usually 50% or less, meaning 50%+ equity), a documented repayment strategy showing how you'll repay the capital (property sale, investments, pension, etc.), and passing affordability assessments. Interest only can suit buy-to-let investors, those with genuine plans to sell/downsize, or borrowers needing temporary payment reduction. However, it means paying more interest overall and requires discipline about the repayment strategy.

Your home may be repossessed if you do not keep up repayments on your mortgage. With interest only, you must have a plan to repay the capital at term end.

Key Points

  • 1Lower monthly payments (interest only, no capital)
  • 2Full capital remains outstanding until term end
  • 3Need 50%+ equity for most lenders
  • 4Must have credible repayment strategy
  • 5Part-and-part (hybrid) options available
  • 6Fewer lender options than repayment mortgages

Eligibility Criteria

  • 50% LTV or lower (50%+ equity)
  • Documented repayment strategy
  • Strategy must be credible and verifiable
  • Pass standard affordability checks
  • Some lenders have minimum income requirements

Typical Timeframe

An interest only remortgage takes the same 4-6 weeks as a standard remortgage. You'll need to document your repayment strategy as part of the application. Start 3-6 months before your current deal ends to ensure smooth transition.

Next Steps

  1. 1Calculate your current equity/LTV
  2. 2Identify your repayment strategy
  3. 3Gather evidence of repayment strategy (investments, etc.)
  4. 4Speak to a broker about lender options
  5. 5Consider part-and-part as alternative

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Related Questions

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Remortgage Hub
Jay Sabine
CeMAP Qualified
29 Years Experience

Content reviewed: 13 January 2026

Interest Only vs Repayment

Interest Only

Example: £200,000 mortgage at 5% over 25 years

  • Monthly payment: £833
  • Total interest paid: £250,000
  • Capital owed at end: £200,000
  • Need repayment strategy: Yes
Capital Repayment

Example: £200,000 mortgage at 5% over 25 years

  • Monthly payment: £1,169
  • Total interest paid: £150,754
  • Capital owed at end: £0
  • Need repayment strategy: No

Interest only is £336/month cheaper but you must repay £200,000 at term end.

Accepted Repayment Strategies

Sale of Property

Plan to sell the mortgaged property or downsize. Most commonly accepted strategy.

Investments

ISAs, shares, bonds, or other investments. Lenders may require minimum values.

Pension Lump Sum

Tax-free lump sum from pension at retirement. Need pension statement as evidence.

Sale of Other Property

If you own other property, its sale can fund repayment. Evidence of ownership needed.

Regular Overpayments

Committing to regular overpayments that build towards capital repayment.

Endowment/Insurance

Endowment policies maturing to cover the capital. Less common now.

Who Interest Only Suits

Good Fit
  • Buy-to-let investors (common approach)
  • Those planning to downsize in retirement
  • High equity with clear repayment plan
  • Temporary cash flow relief needed
  • Strong investment portfolio for repayment
Caution Needed
  • No clear repayment strategy
  • Low equity (high LTV)
  • Relying on "something will come up"
  • Not disciplined about saving
  • Only want lower payments short-term

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