Casa del Doctor Núñez (Q27161471)

matcher place: Trafalgar (way 345744099), Community of Madrid (relation 349055), Chamberí (relation 356998), Madrid (relation 5326784), Community of Madrid (relation 6426653)
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Overpass query: show query – Overpass Turbo

[timeout:300][out:json];
(
    node(around:1000,40.43412,-3.70291)[building][~"^(addr:housenumber|.*name.*)$"~".",i];
    way(around:1000,40.43412,-3.70291)[building][~"^(addr:housenumber|.*name.*)$"~".",i];
    rel(around:1000,40.43412,-3.70291)[building][~"^(addr:housenumber|.*name.*)$"~".",i];
    node(around:1000,40.43412,-3.70291)["building:levels"][~"^(addr:housenumber|.*name.*)$"~".",i];
    way(around:1000,40.43412,-3.70291)["building:levels"][~"^(addr:housenumber|.*name.*)$"~".",i];
    rel(around:1000,40.43412,-3.70291)["building:levels"][~"^(addr:housenumber|.*name.*)$"~".",i];
);
out center tags;

Wikidata location: 40.4341, -3.7029 view on OSM or edit on OSM

matches

found a single match candidate

way: Palacete del marqués de los Salados (OSM)exact location match [show tags]

name: Palacete del marqués de los Salados
source: https://guia-arquitectura-madrid.coam.org/#inm.F2.16B
building: yes
wikidata: Q27161471

wikidata match: Q27161471

Search criteria from Wikidata

view with query.wikidata.org

building (Q41176)

building=yes, building