Career
He became major-general in 1837, Knight Commander of the Order of the Bath in 1838 and lieutenant-general in 1846. He was governor and Commander-In-Chief of the army in the Cape Colony from 1839 to 1843, during which time the abolition of slavery and the expulsion of the Boers from Natal were the chief events. He was offered, but declined, the chief command in India after the Battle of Chillianwalla, and also that of the Sardinian army in 1849.
He became full general in 1854.
He died at Geneva, Switzerland on 16 September 1855, aged 71. The town of Napier, Western Cape, is named for Sir George Thomas Napier as is Napier House at Fairbairn College, Goodwood, Cape Town.