The two boroughs which host the Notting Hill Carnival are asking the public to take part in a survey.
The consultation for residents and visitors has been launched by Westminster and Kensington and Chelsea Councils , seeking the views of people most impacted by the annual celebration.
More than 50,000 people within the carnival footprint and those in neighbouring wards will receive postcards inviting them to take part in a survey, with the deadline for responses set on November 26.
In a joint statement, the two councils say agencies spent over £2 million on 2017 Notting Hill Carnival in the form of grants to Carnival Arts, and funding to support the event planning, safety, crowd management, stewarding, fencing and barriers, toilets and to help with the clean up across the carnival area.
In addition, the cost of policing the 2017 event was more than £7 million.
In the survey, residents are asked about the impact carnival has on them, their thoughts on its organisation and safety issues.
The consultation can be completed online by clicking here or by picking up a copy at North Kensington Library in Ladbroke Grove, Notting Hill Library in Pembridge Square, Kensal Library, in Golborne Road or Street Trading Office at 72 Tavistock Road.
A heated post-carnival meeting was held on October 30, with police accused of "running the event" .
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