Peter White of Kirkcudbrightshire, Scotland, was convicted of theft when he admitted to Selkirk Sheriff's Court that he had stolen £60,000 from an elderly woman's estate in 2003.
The court acknowledged the sum had been repaid with interest, but ruled that a substantial betrayal of trust had occurred and jailed White for a year.
The conviction eventually came to the notice of the Architect's Registration Board and disciplinary proceedings were instigated, resulting in a Professional Conduct Committee (PCC) hearing being arranged.
At the hearing, PCC chairman Michael Williams acknowledged the distress caused to both the victim and the perpetrator of the crime, but was adamant in his sentencing.
Williams said: 'It's clear in our view that the provisions of paragraph three of the Code of Conduct have been broken and the behaviour of the architect constitutes unacceptable professional conduct, falling well short of the standard required of a registered architect.'