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Mortgage amortisation calculator

Show how much of each year's payment is interest and how the balance falls.

Illustrative result

£1,461.48 a month

Year	Interest	Principal	Balance
1	£12,382.95	£5,154.81	£244,845.19
2	£12,119.21	£5,418.55	£239,426.64
3	£11,841.98	£5,695.78	£233,730.86
4	£11,550.60	£5,987.16	£227,743.70
5	£11,244.25	£6,293.51	£221,450.19
6	£10,922.27	£6,615.49	£214,834.70
7	£10,583.82	£6,953.94	£207,880.76
8	£10,228.03	£7,309.73	£200,571.03
9	£9,854.06	£7,683.70	£192,887.33
10	£9,460.95	£8,076.81	£184,810.52
11	£9,047.71	£8,490.05	£176,320.47
12	£8,613.35	£8,924.41	£167,396.06
13	£8,156.74	£9,381.02	£158,015.04
14	£7,676.82	£9,860.94	£148,154.10
15	£7,172.30	£10,365.46	£137,788.64
16	£6,641.98	£10,895.78	£126,892.86
17	£6,084.54	£11,453.22	£115,439.64
18	£5,498.56	£12,039.20	£103,400.44
19	£4,882.64	£12,655.12	£90,745.32
20	£4,235.18	£13,302.58	£77,442.74
21	£3,554.56	£13,983.20	£63,459.54
22	£2,839.17	£14,698.59	£48,760.95
23	£2,087.17	£15,450.59	£33,310.36
24	£1,296.69	£16,241.07	£17,069.29
25	£465.75	£17,069.29	£0.00

Why is the first year mostly interest?

Interest is charged on the whole balance. Principal is the payment minus that interest, so it starts smaller.

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Estimates only. Tax and repayment rules can change, and this is not financial, tax or pension advice.