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    BTL Interest Rate Tracker - Template

    Written by Scott Jones, founder of PropertyKiln · Last updated

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    4 min read
    Reviewed Apr 2026
    UK-wide

    Here is a reusable template for a quarterly interest rate tracker you can drop numbers and charts into every three months.

    BTL Interest Rate Tracker - Q[X] [Year]

    1. Bank of England base rate snapshot

    Current Bank Rate: [X.XX]% as at [MPC decision date].

    Last 12 months of base rate

    Date Bank Rate
    [Month Year] [X.XX]%
    ... ...
    [Current Month Year] [X.XX]%

    Short comment: "Base rate has risen/fallen/stayed flat over the last 12 months, from a peak of [peak]% in [month/year] to [current]% now."

    2. Current BTL mortgage rates (headline grid)

    Typical BTL rates by product and LTV

    Product type 60% LTV 65% LTV 75% LTV Notes
    2-year fixed [X.XX]% [X.XX]% [X.XX]% Averages / best-buy range at quarter-end.
    5-year fixed [X.XX]% [X.XX]% [X.XX]% Often cheaper ICR stress; popular for portfolio lending.
    Tracker [X.XX]% [X.XX]% [X.XX]% Typically "base + margin".

    Under the table: One line on how these compare to last quarter: "Average 2-year fixed BTL at 75% LTV moved from [prev]% to [current]%."

    3. Rate trend: rising, falling or flat?

    Add a small chart and a short read:

    Chart 1: Line chart of Bank Rate vs average 5-year BTL rate over the last 4 quarters.

    2-3 bullet commentary:

    • "Base rate has [risen/fallen] by X.XX% over the last year."
    • "Average 5-year BTL at 65% LTV has moved from [A]% to [B]% in the same period."
    • "Lenders are currently [passing through / not fully passing through] base rate moves."

    4. Affordability impact: what a 0.25% change actually costs

    Use standard mortgage sizes and show monthly payment changes.

    Example: effect of a 0.25% rate move (IO or repayment)

    Mortgage size Rate before Rate after Monthly payment before Monthly payment after Change
    GBP 150,000 [X.XX]% [X.XX+0.25]% GBP [A] GBP [B] +/- GBP [delta]
    GBP 200,000 [X.XX]% [X.XX+0.25]% GBP [A] GBP [B] +/- GBP [delta]
    GBP 300,000 [X.XX]% [X.XX+0.25]% GBP [A] GBP [B] +/- GBP [delta]

    One-line takeaway: "Every 0.25% on a GBP 200k IO mortgage moves your monthly cost by roughly GBP X."

    5. Yield impact: rate changes vs net yield

    Property: GBP 200,000. Rent: GBP 950/month. Costs (ex-finance): GBP 250/month. Mortgage: GBP 130,000.

    Scenario Gross yield Net yield before finance Net yield after finance
    Old rate [X.XX]% [Y1]% [Y2]% [Y3]%
    New rate [X.XX+0.50]% [Y1]% [Y2]% [Y3-delta]%

    Short commentary: "A 0.50% rise in rate on GBP 130k wipes roughly GBP [X] a year off your net income, cutting net yield from [Y3]% to [Y3-delta]%."

    6. Lender stress tests and ICR

    Typical stress test:

    • ICR: 125-145% of stressed payment.
    • Stress rate: often around 5.5% for BTL, higher for higher-risk or shorter fixes.

    Worked example:

    Scenario Stress rate Required monthly rent (145% ICR, IO) Comment
    GBP 200k mortgage 5.5% GBP [required rent] Fails if actual rent less than this.
    GBP 200k mortgage 7.0% GBP [higher rent] Shows impact of tougher lender.

    Note: Some lenders waive or reduce the stress for 5-year fixes or for lower LTVs.

    7. What the market expects next

    Market expectations

    • Futures pricing implies [X] more cuts / hikes over the next 12 months.
    • Bank of England commentary: [1-2 bullet summary from the latest MPC minutes / explainer].

    What lenders are signalling

    • Broker/lender commentary on whether BTL rates are likely to drift down, plateau, or bounce.

    8. What landlords should consider this quarter

    Key questions to ask yourself

    Product expiries "Do I have any fixes ending in the next 6-12 months?"

    Fix vs variable Pros/cons at current spreads between 2- and 5-year fixes and trackers.

    Affordability and ICR "If rates/stress tests rose by another 1%, would my remortgage still pass?"

    Portfolio strategy Are there low-yield properties that become marginal if rates tick back up?

    Action checklist

    1. Pull a portfolio schedule: mortgage size, rate, product end date, LTV, rent.
    2. For any product ending within 12 months, run: "If remortgage at [current 5-year rate], what is the new payment and ICR?"
    3. Decide whether to: Fix now, wait and see with a plan, or deleverage / dispose of marginal units.
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