<page_title> List of tallest buildings and structures in London </page_title> <section_title> Tallest buildings and structures </section_title> <table> <cell> St Paul's Cathedral <col_header> Name </col_header> </cell> <cell> 1710 <col_header> Year </col_header> </cell> </table>
The first structure to surpass a height of 100 metres was St Paul's Cathedral.