Architects are calling on the chancellor to urgently rethink his decision to exclude directors from the unprecedented support measures announced for staff and the self-employed.

The situation could cause “severe and permanent damage” to the profession, they warn in an open letter circulated this weekend.

“There is a real risk that this lack of support will lead to practices folding and the loss of jobs for both directors and any employees they may have,” wrote Mark Hatter, of north London-based Hatterwan Architects.

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