Tracker Mortgage

A tracker mortgage is a variable-rate mortgage where the interest rate is set as a defined margin above a benchmark rate, most commonly the Bank of England (BoE) base rate. If the base rate rises or falls, the tracker mortgage rate changes by the same amount.

Example: a "base rate + 1.5%" tracker on a mortgage with a current base rate of 4.75% would charge 6.25%. If the base rate rises to 5.25%, the rate automatically increases to 6.75%.

Tracker mortgages contrast with fixed-rate mortgages, which maintain the same rate for a set period regardless of base rate movements, and Standard Variable Rate (SVR) mortgages, which are set at the lender's discretion and can change independently of base rates.

For BTL investors, tracker mortgages are used when: - The investor expects rates to fall and wants to benefit from that movement without paying Early Repayment Charges - Short-term flexibility is needed (some trackers have no ERCs) - The property is being held short-term before sale or remortgage

In rising or uncertain rate environments, a fixed rate provides certainty and protects cashflow. In falling rate environments, a tracker benefits the borrower automatically. The choice depends on the investor's rate expectations and risk tolerance.