Brokers are being urged to heed the FSA's recent enforcement actions and ensure they meet regulatory requirements.
Abbey has announced it will cut rates on two-year and three-year fixes from Monday.
Base Commercial Mortgages has suspended all new lending from today, but says it will honour outstanding offers.
Borrowers are increasingly moving towards long-term fixed rate deals as two-year fixed rates top 7%, according to Spicerhaart Financial Services.
House prices fell 2% in June according to the UK's biggest mortgage lender, the Halifax.
BDS Mortgage Group has launched a new exclusive mortgage product with RBS Intermediary Partners.
The Woolwich will cut interest rates on its tracker mortgages, as well as introducing a three-year fixed rate.
A majority of consumers would like to see house prices stabilise or fall, according to a survey for Moveme.com.
The FSA has banned and fined a mortgage broker for exposing around 500 customers to the risk of receiving unsuitable advice.
Barclays will stop taking on new second charge mortgages at its Firstplus, Barclayloan and Fair & Square subsidiaries.