Zack Polanski, the leader of the Green Party in London, is facing scrutiny regarding his potential failure to pay the correct council tax while residing on a houseboat in East London. The Greater London Authority (GLA) officials are deliberating whether to initiate an investigation following a formal complaint, amid questions surrounding the legitimacy of his primary residence status.
Allegations of Tax Non-Compliance
Polanski has acknowledged that he may not have fulfilled his council tax obligations linked to the houseboat, which has sparked controversy over whether it served as his principal abode. A spokesperson for the Green Party characterised the oversight as an “unintentional mistake”, asserting that Polanski has taken prompt action to settle any outstanding tax liabilities.
This unfolding situation gained momentum when Anna Turley, chair of the Labour Party, formally requested that the GLA monitoring officer investigate Polanski’s conduct as an assembly member. Turley’s correspondence suggests that the matter raises concerns over adherence to the ethical standards expected from elected officials.
GLA’s Response to the Complaint
The GLA’s monitoring officer is now assessing the complaint under the authority’s established procedures, which includes a preliminary examination to determine if a full investigation is warranted. An email from the monitoring officer, as reported by the Times, indicated that the complaint is being treated seriously, adhering to the GLA’s member code of conduct.

Once a formal complaint is lodged, the individual in question has a window of seven to ten days to respond in writing. Following this, two independent advisors, external to the GLA, will be consulted to offer guidance, after which the monitoring officer will make a determination on how to proceed. Sanctions for assembly members found in breach of ethics can range from minor penalties to more significant repercussions, such as public apologies.
Clarifications from the Green Party
In light of the allegations, the Green Party has clarified that Polanski has been renting a room at a separate address where the council tax is included as part of the rent, suggesting that his use of the houseboat has been infrequent. Government guidance stipulates that individuals may be liable for council tax on a boat if it constitutes their “sole or main” residence, complicating Polanski’s situation further.
Additionally, reports emerged regarding a listing for the sale of the houseboat, indicating that Polanski’s partner had announced plans to relocate to a house, which raises further questions about the nature of their living arrangements.
Local Authority Investigations
Waltham Forest Council has confirmed the initiation of its own investigation into whether any council tax payments were due for the mooring where Polanski’s houseboat is docked. This local inquiry adds another layer of complexity to the matter as it unfolds.

A spokesperson for the Green Party has expressed that Polanski is aware of the complaints made by both the Labour Party and the Conservative Party, and he firmly denies any wrongdoing, expressing a willingness to cooperate fully with the ongoing investigations.
Why it Matters
The implications of this issue extend beyond Polanski himself, touching on the broader themes of accountability and ethics in public office. The outcome of the investigation could set a precedent for how council tax responsibilities are interpreted for unconventional residences, such as houseboats. As public trust in politicians hangs in the balance, the scrutiny surrounding Polanski underscores the importance of transparency and integrity in governance.