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World’s Best OOH Ads Ever #6: Justice for Grenfell

By The Drum, Editorial

The Drum

November 3, 2025 | 2 min read

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BBH London’s ‘Three Billboards Outside Grenfell’ transformed protest into a moving act of remembrance and accountability. Created for the campaign group Justice4Grenfell, the work took inspiration from the film Three Billboards Outside Ebbing, Missouri to highlight government inaction after the 2017 tower fire. The intent was to turn public advertising space into a platform for truth.

Launched in 2018, three red billboards mounted on vans drove through London bearing the stark messages: 71 dead. And still no arrests. How come? The visual and emotional directness turned quiet anger into public visibility, demanding response through sheer presence.

Billboards on trucks questioning why there have been no arrests in front of the houses of parliament

The campaign won five global awards, including Cannes Lions recognition, and was widely cited as a defining example of activism through creative media. It bridged commercial craft and civic courage, proving that the power of out-of-home extends far beyond commerce.

The entire campaign — including production, logistics, and media — was provided free of charge by BBH London and its partners, as an act of solidarity with the Grenfell community and Justice4Grenfell activists.

‘Three Billboards Outside Grenfell’ remains a model for purpose-led advertising that channels outrage into awareness – and awareness into pressure for change.

See the rest of The Drum’s 50 Best Out of Home Ads Ever here.

And if you like this, you should sign up for The Drum Daily Briefing where there is great work first, and deep insights to back them.

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