buckery.app/fixed-vs-tracker

Fixed or tracker

One mortgage and up to three deals. This is a calculator, not financial advice.

The mortgage

Bank Rate

3.75%

In force from 15 October 2026. A tracker adds its margin to this rate, unless a floor is higher.

0 to 11, added to the years left.

Costs and the balance left use this many months. Empty uses the longest introductory period.

The rise starts in this payment month and is then held. Empty uses month 3.

Nothing on this page is saved.

The deals

Deal 1 (2-year fix)

Deal type

Used after the introductory years. It does not follow Bank Rate.

Optional. Leave empty for no fee.

Deal 2 (5-year fix)

Deal type

Used after the introductory years. It does not follow Bank Rate.

Optional. Leave empty for no fee.

Deal 3 (2-year tracker)

Deal type

0.48 means Bank Rate plus 0.48 percentage points.

Optional. The pay rate is at least this.

Used after the introductory years. It does not follow Bank Rate.

Optional. Leave empty for no fee.

Over 24 months

Deal 1 (2-year fix)

Month 1

£1,321.31

Pay rate
5.52%
Cost over 24 months
£31,711.44
Balance left
£218,631.12
Product fee
None

Deal 2 (5-year fix)

Month 1

£1,281.25

Pay rate
5.23%
Cost over 24 months
£30,750.00
Balance left
£218,285.15
Product fee
None

Deal 3 (2-year tracker)

Month 1

£1,147.77

Pay rate
4.23%
Cost over 24 months
£27,546.48
Balance left
£216,990.74
Product fee
None

The figure is the payment in month 1. It is reworked if the pay rate changes later in the window. Cost is the payments in the window, plus a fee paid upfront. A fee added to the loan is already in the balance.

Bank Rate rise

  • From month 3, a rise of 1.41 percentage points leaves Deal 3 (2-year tracker) no longer below Deal 1 (2-year fix) over 24 months.
  • From month 3, a rise of 1.1 percentage points leaves Deal 3 (2-year tracker) no longer below Deal 2 (5-year fix) over 24 months.

Buckery is a calculator, not advice. It shows what could happen under scenarios you choose, using the figures you enter. It doesn't know your full situation and doesn't tell you what to do. Buckery isn't authorised by the FCA to give debt advice. For free, impartial debt advice, contact MoneyHelper or StepChange.