 Most of Bath 's Grade I listed buildings are made from the local golden @-@ coloured Bath Stone , and date from the 18th and 19th centuries . Their dominant architectural style is Georgian , which evolved from the Palladian revival style that became popular during the early 18th century . This led to the entire city 's designation as a World Heritage Site . 
 Most of Bath <a href='null_genetive' title='1'><mark>'s</mark></a>Grade I listed buildings are made from the local golden @-@ coloured Bath Stone , and date from the 18th and 19th centuries . Their dominant architectural style <a href='drop_aux' title='2'><mark>is</mark></a>Georgian , which evolved from the Palladian revival style <a href='null_relcl' title='3'><mark>that</mark></a>became popular during the early 18th century . This led to the entire city <a href='null_genetive' title='4'><mark>'s</mark></a>designation as a World Heritage Site . 
Most of Bath  Grade I listed buildings are made from da local golden @-@ coloured Bath Stone , and date from tda18th and 19th centuries . Their dominant architectural style Georgian , which evolved from thdaalladian revival style became popular durin the early 18th century . dis led to the entire city  designation as a World Heritage Site .