At ground level to the north of upper terrace are theree more buildings of interest,namely the Scripture Library (Hor Phra Monthian Dharma) ,
the west facade of which is said to be the finest in Bangkok; a beautiful gabled wiharn (Phra Wiharn yod) which contains a number of Buddha imageds; 
and the mausoleum of the Royal family (Hor Phra Naga), which contains the crematorial ashes of a number of members of the royal family. 
To the west of the ordination hall lie two small chapels, Hor Phra Rajphongsanusorn to the south and Hor Phra Rajkoramanusorn to the north. 
Hor Phra Rajkoramanusorn contains Buddha images dedicated to the past Kings of Ayuthaya, whereas Hor Phra Rajphongsanusorn contains images 
dedicated to the present dynasty. Hor Phra Rajkoramanusorn is also noteworthy for a number of murals accredited to the famous painter of the reign of Rama IV, Khrua in Khong. The murals are faded with age but the makes them all the more aesthetic.