An 800-year-old London church tower is floating 45ft off the ground – here’s why

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Central London is no stranger to ambitious construction projects – but this is a ‘never seen before feat of engineering’.

Several buildings at 50 Fenchurch Street have been demolished to make way for a 36-storey office block right in the heart of the city.

But there were two listed constructions on the site which needed to be preserved – and how do you protect these while also excavating below ground level to construct a four-storey basement?

The answer has led to the All Hallows Staining tower, the remains of a Grade I listed 800-year-old church, standing on a podium 45ft up in the air.

That podium is actually at ground level, however, with a recently-finished ‘bott