Landlord Mortgage Calculator — Calculate Buy-to-Let Mortgage Payments

Landlord Mortgage Calculator

Calculate buy-to-let mortgage payments, rental yields, and investment returns. Estimate monthly payments, interest costs, and profitability for rental properties.

Step 1: Property Details

25%
25 years
4.5%

Buy-to-Let Mortgage Info

Most buy-to-let mortgages require a minimum 20-25% deposit. Interest rates are typically higher than residential mortgages. Lenders usually require rental income to cover 125-145% of mortgage payments.

Step 2: Rental & Expenses

2 weeks
10%

Landlord Expenses

Typical expenses include: property management (8-12% of rent), maintenance (5-10% of rent), insurance, ground rent, service charges, and agent fees. Always budget for void periods.

Mortgage & Investment Analysis

Summary
Monthly Breakdown
Amortization

Monthly Cash Flow

+£220
After all expenses and mortgage
Monthly Mortgage
£850
Rental Yield
5.8%
Total Interest
£156,420
Loan-to-Value
75%

Monthly Cash Flow Breakdown

Item Amount Percentage Notes

Mortgage Amortization Schedule (First 5 Years)

Mortgage Calculation Formula

M = P [ i(1 + i)^n ] / [ (1 + i)^n – 1 ]

M = Monthly payment; P = Principal loan amount; i = Monthly interest rate; n = Number of payments (loan term in months). This formula calculates the fixed monthly payment for a fully amortizing mortgage.

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