Overpayment Mortgage Calculator BarclaysadminNovember 14, 2025loan calculator Overpayment Mortgage Calculator Barclays | 2025 UK Extra-Payment & Interest Saved Overpayment Mortgage Calculator Barclays Barclays-style UK calculator: lump-sum or regular overpayments, interest saved, term reduction and month-by-month amortisation. Compliant with most lender over-payment rules. Current Balance (£) Interest Rate (%) Term Remaining (years) Monthly Overpayment (£) One-off Lump Sum (£) Start Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Calculate Overpayment Export CSV Print V}