The four clock dials are 180 feet 54 9 m above ground.
Roof in the big ben elizabeth tower.
Big ben is housed in elizabeth tower which rises above the palace of westminster along the river thames.
Although the tower survived nazi bombing its roof and dials were damaged in a may 1941 air raid which destroyed the main house of commons chamber.
Scaffolding surrounds the clock face of elizabeth tower big ben in london during its extensive four year restoration project.
The project began in 2017 and is due for completion in 2021.
The latest refurbishment of the structure during.
Although the tower survived nazi bombing its roof and dials were damaged in a may 1941 air raid which destroyed the main house of commons chamber.
Damage left from the bombing of london during world war ii is being found 80 years later.
According to officials over the next three years the roof of the elizabeth tower will be stripped off and restored the bell frame repaired leaks into the clock room stemmed and a lift installed.
The great bell known to most as big ben has remained in the belfry of elizabeth tower whilst the most extensive programme of conservation work is carried out on the tower itself.
It was in 2017 when the experts started examining and repairing the big ben in british parliament from the gilt cross and orb at its top to the bottom of its 334 step staircase.
The remainder of the tower s height is a framed spire of cast iron.
The tower is founded on a 50 feet 15 2 m square raft made of 10 feet 3 0 m thick concrete at a depth of 13 feet 4 0 m below ground level.
Carl court getty images it could be london s most recognizable structure.
A general view of the elizabeth tower commonly known as big ben and the houses of parliament.
The tower was hit by a nazi bomb in 1941 air raid which even though the big ben withstood the bombardment had damaged its roof and dials along with the main house of commons chamber.
Big ben has remained in situ but the great clock the 11 tonne mechanism that kept time and.
The cost to fully restore elizabeth tower and big ben will be about 104 4 million which will have to be approved by the accounting officers in parliament the bbc reported.