Use capital letters as indicated. Note Clocktower is one word in this instance. Use lower case and spell as two words when referring to a clock tower in general. Avoid Registry or Registry Building as these terms are no longer used.
- The Financial Services Cashiers Office is located in the basement of the Clocktower Building.
- Some stonework has fallen off the north-east corner of that town's clock tower.
- I'll meet you on the front steps of the Registry Building.