Hi
Cannot help with burial place, but did find this...
England and Wales National Probate Calendar
Index of Wills and Administrations
LANDEN Horace Arthur of 145 Queen's Park Road Brighton died 22nd September 1927 at 250 Elm Grove Brighton. Administration Lewes 16th November 1927 to Mary Ann LANDEN widow. Effects 262UK pounds 18s 3d
Cheers
Karenlee