HSBC is implementing widespread price increases tomorrow but has not announced any new rates, while Coventry has relaunched the new range it took off sale on Sunday, with prices up to 75 basis points higher.
It will be the second round of increases that HSBC is implementing this week, after previously raising rates on Monday.
While some lenders warn their advisers in advance about the size of price increases, HSBC does not warn brokers about how much prices will rise.
Coventry Building Society has relaunched its new business range with two-year fixes now up to 75 basis points higher than comparable products when they were withdrawn from sale on Sunday.
The lender removed all products for sale to new customers on Sunday evening due to market volatility caused by the war in the Middle East and only relaunched them this morning.
The lowest two-year purchase term is now 5.17%, 65% LTV with a £999 fee, while the equivalent deal on Sunday was 4.42%.
Under the new pricing, five-year fixes start from 4.99%, which applies to a home purchase deal with a 65% LTV and a fee of £999.
Remortgage deals start from 5.22% for a two-year fix and 5.03% for a five-year fix with the same LTV and fee.
The lender still offers mortgages with an LTV of 95% for starters, movers and
A three-year fixed value for first-time buyers at 95% LTV is 5.59% without fees and a five-year alternative is available at the same price and the two-year equivalent is 5.67%.
The news follows a wave of rate increases and product withdrawals in recent days.
Major lenders repricing yesterday included Santander, NatWest and TSB.
As a result, borrowers coming to the end of a five-year fixed rate deal this month could see a payment jump of £4,655 per year based on the average interest rate and a £250,000 mortgage, Moneyfacts calculations show.
Moneyfactscompare.co.uk personal finance analyst Caitlyn Eastell said: “Millions of customers refinancing their mortgages are facing a shocking spike in their repayments, especially homeowners who took out a low five-year deal.
“If these borrowers take out a shorter two-year term, they could see their repayments increase by almost £4,900 per year, equating to almost £9,800 for the full two-year term.
“That is an increase that many households may not be prepared for.
“If inflation rises, it could put additional pressure on already stressed consumers and could force them to make difficult decisions about spending and other financial obligations.”