diff --git a/layers/housenumber/housenumber_centroid.sql b/layers/housenumber/housenumber_centroid.sql
index c7231491..494f5e45 100644
--- a/layers/housenumber/housenumber_centroid.sql
+++ b/layers/housenumber/housenumber_centroid.sql
@@ -12,6 +12,19 @@ CREATE TABLE IF NOT EXISTS housenumber.osm_ids
 -- etldoc: osm_housenumber_point -> osm_housenumber_point
 CREATE OR REPLACE FUNCTION convert_housenumber_point(full_update boolean) RETURNS void AS
 $$
+    -- Delete housenumber duplicates
+    DELETE FROM osm_housenumber_point
+    WHERE osm_id IN (
+      SELECT pt.osm_id
+      FROM osm_housenumber_point pt
+      INNER JOIN osm_housenumber_point poly
+      ON (ST_GeometryType(poly.geometry) = 'ST_Polygon'
+          AND ST_GeometryType(pt.geometry) = 'ST_Point'
+          AND pt.geometry && poly.geometry
+          AND pt.housenumber = poly.housenumber
+      )
+    );
+
     UPDATE osm_housenumber_point
     SET geometry =
             CASE