This was the Exchange Inn up until at least 1903.
Luton index
Directory of Pubs in the UK, historical public houses, Taverns, Inns, Beer Houses and Hotels in Bedfordshire . The Bedfordshire listing uses information from census, Trade Directories and History to add licensees, bar staff, Lodgers and Visitors.
The following entries are in this format:
Year/Publican or other Resident/Relationship to Head and or Occupation/Age/Where Born/Source.
1910/Joseph Ryder Treen/../../../Post Office Directory
1914/William Edward Loxley/../../../Post Office Directory