The product is a 95% LTV 2-year fix at 3.79%, which includes no completion fee.
It has been made available direct as well as through intermediaries.
The launch is part of the society’s ongoing commitment to provide competitive rates for first-time buyers and house movers with lower deposits.
A maximum loan amount of £350,000 and term of 30 years applies to the 95% LTV products.
Mortgage products revert to the West Brom’s standard variable rate at the end of the fixed rate term, which is currently 3.99%.