name             location years as tallest height metres / ft      floors
0                           white tower           tower hill      1098 - 1310       01.0 27 / 90  03.0 n / a
1              old st paul 's cathedral       city of london      1310 - 1666     07.0 150 / 493  08.0 n / a
2                   southwark cathedral            southwark      1666 - 1677      02.0 50 / 163  04.0 n / a
3  monument to the great fire of london       city of london      1677 - 1683      03.0 62 / 202  05.0 n / a
4                    st mary - le - bow       city of london      1683 - 1710      04.0 72 / 236  06.0 n / a
5                  st paul 's cathedral       city of london      1710 - 1939     05.0 111 / 365  07.0 n / a
6               battersea power station      kirtling street      1939 - 1950     06.0 113 / 370     01.0 10
7   crystal palace transmitting station  crystal palace park      1950 - 1991     08.0 219 / 720  09.0 n / a
8                     one canada square         canary wharf      1991 - 2010     09.0 235 / 771     02.0 50
9                   shard london bridge            southwark            2010-         306 / 1004          87

Table as JSON:
{"name":{"0":"white tower","1":"old st paul 's cathedral","2":"southwark cathedral","3":"monument to the great fire of london","4":"st mary - le - bow","5":"st paul 's cathedral","6":"battersea power station","7":"crystal palace transmitting station","8":"one canada square","9":"shard london bridge"},"location":{"0":"tower hill","1":"city of london","2":"southwark","3":"city of london","4":"city of london","5":"city of london","6":"kirtling street","7":"crystal palace park","8":"canary wharf","9":"southwark"},"years as tallest":{"0":"1098 - 1310","1":"1310 - 1666","2":"1666 - 1677","3":"1677 - 1683","4":"1683 - 1710","5":"1710 - 1939","6":"1939 - 1950","7":"1950 - 1991","8":"1991 - 2010","9":"2010-"},"height metres \/ ft":{"0":"01.0 27 \/ 90","1":"07.0 150 \/ 493","2":"02.0 50 \/ 163","3":"03.0 62 \/ 202","4":"04.0 72 \/ 236","5":"05.0 111 \/ 365","6":"06.0 113 \/ 370","7":"08.0 219 \/ 720","8":"09.0 235 \/ 771","9":"306 \/ 1004"},"floors":{"0":"03.0 n \/ a","1":"08.0 n \/ a","2":"04.0 n \/ a","3":"05.0 n \/ a","4":"06.0 n \/ a","5":"07.0 n \/ a","6":"01.0 10","7":"09.0 n \/ a","8":"02.0 50","9":"87"}}