Who is suitable for mortgage refinancing?
Anyone that would benefit from lower interest rates as compared to pre-existing, netting off applicable transfer cost like legal and valuation etc.
When should I refinance my mortgage?
The typical refinancing interval is of every 2-3 years depending on the tie in period when you took up the loan. Customers with no lock in mortgages may still benefit as long as the savings outweigh the cost.
Read more: http://www.mortgagesupermart.com.sg/blog/29-faqs-for-refinancing-your-mortgage-home-loan-mortgage-supermart-singapore