STOCKHOLM, Nov 28 (Reuters) - Companies in the Swedish commercial property sector should reduce their debt and boost equity to be able to cope with the current high interest rates, the financial watchdog said in its twice-yearly stability report on Tuesday.

Swedish banks are among the best capitalised in Europe, but are heavily exposed to a property sector where companies ramped up borrowing when rates were low and are now struggling with soaring interest costs. (Reporting by Simon Johnson and Terje Solsvik, editing by Louise Rasmussen)