More than 1600 signatures now support the petition to save the Downings Roads moorings.
Residents of riverside apartments have likened the moorings to a gypsy encampment
The Inspector is also due to rule on Southwark Council's rejection of the recent application for planning permission. He will consider evidence from members of the community, Southwark Council, the Port of London Authority, national and local organisations and individuals, both supporters and objectors.
The hearing commences at 10am on Wednesday, Thursday and Friday and finishes at 4pm but supporters of the floating community near St Saviour's Dock are hoping for a packed public gallery during inquiry's special evening sitting at 6pm on Thursday 15 July.
A group of residents living in China, Creeds, Tower, Springalls and Riverview Heights Wharf have complained of noise, smells and loss of privacy due to the presence of the barges, which they claim are moored illegally.
However, the supporters of those living on the boats point out that the moorings have existed since at least the first half of the 19th century accommodating permanently moored craft.
Mayor of London Ken Livingstone has reiterated his belief that the barge moorings near Tower Bridge contribute to the diversity of the Thames. Simon Hughes has also supported the barge-dwellers, provoking the fury of objectors who accused the MP of failing to stand up for law and order.