Ubosot of the Emerald Buddha Bangkok Ubosot of the Emerald Buddha The ubosot housing the Emerald Buddha The ubosot ordination hall housing the Emerald Buddha is actually the only original building in the temple. It was built at the same time as the temple in 1783 to 1785. Like most of the buildings in the compound, the ubosot's exterior is finished in colored mirror tiles and gilt carving.