Commissioner Dany Cotton, who was at the scene of the blaze, told the BBC that retrofitting fire sprinkler systems in residential towers should be one of the recommendations of the Grenfell Tower inquiry.
"They are the best protection with water systems of protecting life, and the sprinkler campaign has been growing for probably 20 years now".
'Grenfell should be a turning point, ' she said.
"This can't be optional, it can't be a "nice to have" - this is something that must happen". #Grenfell must lead to change.
Henri Leconte aux Bleus : "Faites-nous rêver"
Ce n'est pas possible qu'ils s'offrent un titre du Grand Chelem; ils ne s'entraînent pas, ne font pas d'efforts..." - d'aucuns montrent les dents.
In 2007, sprinklers were made compulsory in new-build high rises over 30 metres high in England, but there is no requirement for retrofitting to older properties.
Following the death of six people in the Lakanal House fire in south London in 2009, a coroner recommended that the government should encourage housing providers to retrofit sprinkler systems.
A large number of industry bodies and trade organisations have submitted recommendations to the inquiry and the Government has stated it will act on all subsequent findings from the investigation.
The BBC questioned 56 local authorities and housing associations in towns and cities and received responses relating to about half of the UK's estimated 4,000 tower blocks.
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