Modern Upper Precinct plans branded 'inappropriate'The plans to transform the pedestrianised Upper Precinct were approved in December 2017 and include the removal of the green escalator and the ramp connecting Broadgate to the upper levels of the precinct.
But the Twentieth Century Society has said the plans are inappropriate.
It is a British charity which campaigns for the preservation of architectural heritage from 1914 onwards.
The society's interest is in buildings and artefacts that characterise 20th century Britain.
One of the main issues it has found is since some of the buildings were listed, the scheme hasn't had many changes.
In a statement it said: "We were previously consulted on these proposals prior to the listing of the affected buildings, and our comments here closely reflect those submitted on 30 November 2017.
"We are disappointed to see that the scheme has undergone minimal revision in light of the newly listed status of the buildings occupying the site.
"Our support remains for the removal of the 1993 escalator and glass housing attached to the North Link block, and we are pleased to see that these unsympathetic additions have been identified as such by the applicants.
"We do, however, have significant concerns about the harm other proposed alterations will have on the historic interest of several Grade II listed buildings."
The ramp leading to the first floor of West Orchards is proposed to be removed along with the bridge links surrounding the first floor.
However, the Society has said the Upper Precinct was always intended to have shops on two storeys, with a square walkway at the first floor to connect the upper floor of shops.
It does recognise that the removal of the 1983 escalator will be a positive change, and will enhance the significance of the listed building.
It said: "The Society cannot see that any justification has been given for the loss of the walkway bridges, as this will reduce access and footfall to the first floor shops, and will remove the possibility of raised views towards the cathedral and the Upper Precinct axis.
"We recommend that more prominent access stairs and linking walkway bridges be incorporated to facilitate easy public access, maintaining the original design intent."