John James (c 1673- 15 May 1746) was an architect particularly associated with Twickenham in west London, where he rebuilt St. Mary's Church and built the house for Hon. James Johnson, Secretary for Scotland, later Orleans House (demolished). Howard Colvin's assessment of him was that of "a competent architect, but he lacked inventive fancy, and his buildings are for the most part plain and unadventurous in design" (Colvin 1995). Wikipedia
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