From the 1901..........according to this transcription he was born in Germany, but it is quite clearly written Guernsey:-
Hedley J Rendell, 37, ? Dealers Manager, Born Guernsey
Mary Rendell, 37, Born Clerkenwell, London
Delia Nina Rendell, 6, Born Holloway, London
Hedley J Rendell, 4, Born Kings Cross, London
Henry L Rendell, 3, Born St Clement Danes, London
Charlotte Robbins, Sister, 46, Born Guernsey
Arthur C Robbins, Nephew, 13, Born Croydon, Surrey
Living at Newcastle Street, St Clement Danes, London RG13/243
Regards, Sue