In terms of users, Nestoria is the 5th largest property web site in the UK (February 2012 [1]) and the 9th in Spain (comScore, May 2009 [2]).

Nestoria aggregates real estate listings from property portals and provides location-based search to Internet users.

[11] As a web application hybrid or mashup, Nestoria geo-locates properties on maps and combines them with Point of Interest of transport, schools, hospitals and other local information relevant to homes seekers.

Nestoria, as a typical Web 2.0 operation, co-operates with collaborative projects such as OpenStreetMap (open source mapping) or Geograph British Isles (photographs).

The quality of the search results (e.g. if a house is still on the market or already sold) strongly depends on the motivation of local estate agents to upload accurate information and to update them regularly.