Where can I find Wooden windows in Langenfeld (Rheinland)?

Wooden windows can also be found in these cities:

Bergisch Gladbach Burscheid Cologne Düsseldorf Haan Hilden Leverkusen Mettmann Neuss Ratingen Remscheid Solingen Wermelskirchen Wuppertal Wülfrath

You can also find this in Langenfeld (Rheinland):

Plastic Windows Mailbox Doors Windows Smoke Detector Deadbolt Burglary Protection Locking Systems Fire Doors