Borehamwood High Street, dubbed "British Hollywood", has been plagued by 400ft-long scaffolding for more than a year.The structural support erected by Leathbond, a property firm with net assets exceeding £1billion, has stood idle for 12 months just steps from the EastEnders set, with not a worker in sight.It was put up to address loose cladding, yet neither residents nor business owners in the town received any advance warning before it engulfed…