Restoration has been swift at this concrete-block home in Garden Oaks that sold quickly in June 2013 — for $225,000. When the property reappeared on the market as a new listing late last week, the asking price was up to $475,000. Houston architect Allen R. Williams Jr. designed the solidly built home back in the day, the year of which was either 1950 or 1942, depending on which records apply. This year’s updates, by serial renovator Will Martin, hew close to the home’s mod origins. The original listing didn’t feature many interior photos, but the home’s latest appearance makes up for that: