42% of intermediaries said more than half of their buy-to-let cases during the third quarter of 2011 were landlords looking to add to their buy-to-let portfolios, Paragon has reported.

According to Paragon Financial Adviser Confidence Tracking survey, when asked how they would describe the current level of landlord demand, 26% said that it was either strong or very strong and 45% described it as stable.

The second most popular reason for landlords obtaining a buy-to-let mortgage in the third quarter was remortgaging, with 34% of intermediaries saying that was the case.

When asked for the reasons behind the remortgaging cases in Q3, the most popular reason was capital raising (44%), followed by 38% looking for a better rate of interest.

Intermediaries are also expecting to increase the amount of buy-to-let business they do in the final quarter of the year, up by 4.2% on average.

John Heron , managing director of Paragon Mortgages, said: “There is incredible pressure now on rental stock. Letting agents in many regions are reporting that they simply do not have properties available for an increasing number of potential renters. In order to meet this increasing level of demand