This emerged in new research from Legal & General mortgage club's smartrcriteria tool, which tracks product searches from more than 8,000 advisers.
Searches for homeowners wanting to remortgage after just six months climbed by 30% in February - suggesting that rises in the Bank of England's base rate to curb inflation could be prompting borrowers to lock into low fixed-rate deals.
While many consumers tried to manage their mortgage repayments, strong demand from buyers also continued despite rising inflation and other costs - particularly in the buy-to-let sector.
Searches for first-time landlords continued to climb, rising by 23%, and searches for those with corporate lets grew by 28%.
As house prices continue to soar and rising energy costs hit affordability, L&G says borrowers are becoming increasingly reliant on financial support from their loved ones to complete their purchase plans.
Searches for those with gifted equity jumped by 119%, and searches from landlords with gifted equity followed this trend - climbing by 15%.
Searches by advisers for borrowers with gifted deposits similarly increased by 6%, perhaps suggesting that the cost-of-living squeeze has resulted in first-time buyers needing a bigger deposit for completion.
L&G's data also suggests that families could be looking to alternative options to either minimise their monthly outgoings or free up cash to help their loved ones with a deposit as house prices rise.
Searches for interest-only mortgages grew by 33%.
Kevin Roberts, director of L&G mortgage club said:
"The cost-of-living squeeze and rising interest rates are clearly driving borrowers to remortgage and lock into low fixed-rate products that are still available on the market.
"Others are exploring alternative means of managing their finances, perhaps by taking out interest-only mortgages.
"Whether borrowers are looking for alternative solutions or simply want to lock into a fixed-rate mortgage for the future, advisers have a critical role to find products for these borrowers that can help them keep their monthly repayments low, while ensuring they have a mortgage that continues to meet their needs."
Meanwhile, other new data shows that average interest rates on mortgages are at a five-year high.
The Moneyfacts UK Mortgage Trends Treasury Report found that the average rate on a two-year fixed-rate mortgage is now 2.86%, the highest level seen since 2015.
This is an increase from 2.58% this time last year.
Meanwhile, at 3.01%, the five-year equivalent is at its highest level since 2016.
This is the sixth consecutive month that these two fixed-rate deals have seen their average rates increase.
Based on tax legislation at the time of publication. Please be aware that there will have been changes since this was published. Speak to your adviser for the most up to date information.
