Complex sentence: Inigo Jones, perhaps the first widely notable English architect, introduced Palladian ideals to English architecture: his Banqueting House at Whitehall of 1619 set a standard, and was much copied; by the 1630s his ideas had permeated as far as Somerset.
Split into simpler sentences: Inigo Jones, perhaps the first widely noted English architect, introduced Palladian ideals to English architecture: his Banqueting House at Whitehall of 1619 set a standard, and was much copied. By the 1630s his ideas had permeated as far as Somerset.