The Mortgage Ledger

United Kingdom

United Kingdom amortization calculator

A year-by-year breakdown of how each payment splits between interest and principal, and how the balance falls over time.

Your mortgage

Year-by-year breakdown

Total interest: £347,515 · Paid off July 2056

Early on, most of each payment is interest; the balance falls slowly at first, then faster. That's the shape of every amortizing mortgage.

YearPrincipalInterestBalance
1£3,684£17,900£296,316
2£3,911£17,673£292,405
3£4,152£17,431£288,252
4£4,409£17,175£283,844
5£4,681£16,903£279,163
6£4,969£16,615£274,194
7£5,276£16,308£268,918
8£5,601£15,983£263,317
9£5,947£15,637£257,371
10£6,313£15,270£251,057
11£6,703£14,881£244,354
12£7,116£14,468£237,238
13£7,555£14,029£229,683
14£8,021£13,563£221,662
15£8,516£13,068£213,147
16£9,041£12,543£204,106
17£9,599£11,985£194,507
18£10,191£11,393£184,316
19£10,819£10,765£173,497
20£11,486£10,097£162,011
21£12,195£9,389£149,816
22£12,947£8,637£136,869
23£13,746£7,838£123,123
24£14,593£6,990£108,530
25£15,494£6,090£93,036
26£16,449£5,135£76,587
27£17,464£4,120£59,124
28£18,541£3,043£40,583
29£19,684£1,899£20,898
30£20,898£685£0

An estimate for planning — not financial advice. Principal & interest only; property tax, insurance and any fees are separate.