The deal is available on loans up to 60% LTV and has an arrangement fee of £999.
It comes with a range of features including a £250 cashback, free standard valuation for remortgagers and purchasers, plus free legals for remortgagers.
Stuart Beattie, head of mortgages at Platform, said: “We started the year with Platform’s lowest ever 2-year fixed rate, and now we’ve made our lowest rate even lower.
“We are committed to keeping a constant eye on the market to ensure we continue to offer a great choice of competitive products to brokers and their clients.”
