Spain-based Idealista and the ST-Sociedad de Tasación, Spain’s first independent real estate evaluator, have introduced a new tool which allows calculating real-time mortgage payments on Idealista’s listings.

The mortgage calculator is available for listings in Madrid, Barcelona, Valencia, Málaga, Palma de Mallorca, Zaragoza, Alicante, Murcia, Lleida, Tarragona, Albacete, Castellón de la Plana, Valladolid, Burgos, Huesca, Logroño, Badajoz, Toledo, Girona, Cordoba, Granada, Sevilla, Las Palmas de Gran Canaria and Santa Cruz de Tenerife.

Each real estate listing on Idealista has now a link (“value of homes in the area”), by which the ST-Sociedad de Tasación offers a comparison with six other mortgage reference values in the area from the last six months.

According to Juan Fernández-Aceytuno, CEO of ST-Sociedad de Tasación, “in uncertain times like these, regaining trust means providing clear information from independent sources; ST-Sociedad de Tasación wants to contribute our knowledge of the market towards achieving this objective.”

“This new service is one more example of the commitment to transparency of the real estate Web portal,” said Fernando Encinar, manager of Idealista’s research department. He said it’s important that buyers have more “real data” to fix mortgages values to stop unpleasant surprises related to the value of real estate after the implosion of the real estate market in Spain.

ST- Sociedad de Tasación, is one of the largest independent appraisal organizations in Spain. Idealista is the third largest real estate site in Europe and the most-visited in Spanish. In January the portal hit a new traffic all-time record: more than 2.5 million unique users and 114.2 million page views, according to Nielsen NetRating.