07 / OFFSET MORTGAGE
Offset Mortgage Calculator
See how holding savings in an offset account reduces the interest you pay — and how much sooner you could be mortgage-free.
Mortgage Planning Cluster
Use this hub to move from the core repayment formula into affordability, offset, overpayment, and rent-versus-buy comparisons without leaving the mortgage cluster.
Mortgage Details
12% of mortgage
Results
Effective Mortgage Balance
£220,000
£30,000 offset
Monthly Payment
£1,390
Total Interest Saved
£52,499
by holding savings in offset account
Term Reduction
3y 1m
mortgage paid off earlier
Cumulative Interest Saved by Year
Y1
£1,378
Y5
£7,554
Y9
£14,945
Y13
£23,791
Y17
£34,378
Y21
£46,737
Y25
£52,499
Cumulative interest saved compared to standard mortgage
Cluster Hubs
Use these organising pages when you want the main calculators and supporting guides for this topic grouped in one place.
Related Calculators
Move sideways to closely related calculators without leaving the same topic cluster.
Use the Mortgage RepaymentMonthly payment, total interest, and full cost over any term.Use the Mortgage AffordabilityThe maximum you can borrow based on income, deposit, and stress test.Use the Mortgage OverpaymentInterest saved and years removed by paying extra each month.Use the Rent vs BuyLong-term financial outcome of renting against buying.
Related Guides
Use these supporting explainers when you need the formula, assumptions, or decision framing behind the numbers.
How Mortgage Repayment Calculations WorkUnderstand the amortisation formula behind monthly mortgage payments.How Mortgage Affordability Is AssessedSee how income multiples, outgoings, and stress tests shape borrowing power.How Offset Mortgages Actually WorkCompare offset savings against standard mortgage interest charges.Mortgage Overpayment: How Much Does It Save?Measure how extra payments reduce lifetime interest and term length.