In 1891 he was living with his parents in the Whittington Heath Barracks, Lichfield, Staffordshire5095.
In 1901 he was living in the Army Service Corps Barracks, Woolwich, London. His brother Syndey Gordon Banner was stationed in the same barracks5444.
In 1904 he was living 14 Milford Road, Walthamstow, Essex5445.

Percy Leonard Banner, a bachelor aged 23 whose occupation was carman, married Alice Maud Sporton, a spinster aged 24. The bride and groom were both residing in 14 Melford Road, Walthamstow, London. The groom's father was William Banner and his occupation was Sergeant Major. The bride's father was Henry William Sporton and his occupation was Japanner. The marriage was performed at the Parish Church of St Michael All Anglels, Walthamstow, Essex according to the rites of the Church of England after banns. The ceremony was performed by Owen W Harris. The bride and groom both signed. The marriage was witnessed by H W Sporton (signed) and Maud Banner (signed)5445.