It is understood that the architect was charged for failing to deal with correspondence from the ARB in regards to a complaint filed by a former client, and for failing to deal with the initial complaint. He was found guilty of breaching standard 12 of the Code of Conduct.
According to an ARB spokesman the committee board took a 'dim view' of Bentley's response and he was fined £1,500 - which is, the spokesman added, 'pretty stiff for such an offence'.
The committee was chaired by Angela Deacon and was joined by Donal Hutchinson and Linda Read.
Bentley will be given 20 days to pay the £1,500 fine, and the money will then be passed to HM Treasury.