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66 years of play in the heart of London

The Triangle Adventure Playground was established in 1957 by Marjorie Porter MBE in collaboration with Lady Allen of Hurtwood and the London Council. Of the first four APGs to be established in England, only two now exist in name and the Triangle is the only one still operating on its original site.

It is thus the oldest adventure playground in the country.

Lady Allen holds an important place in the development of play theory within the wider context of the history of education. Born in 1897 and trained as a landscape architect, she came across the concept of 'free play' whilst working in Europe to improve the lot of displaced children in the aftermath of the Second World War. Passing through Denmark, she visited a revolutionary playground, at Emdrup, outside Copenhagen, that had been established in 1943 by the architect C Th. Sorenssen. The ethos of this playground, reflected in what in its time were its dramatically informal physical characteristics, recognised, encouraged and celebrated the inate ability of children to direct their own activities. Sorenssen had recognised that 'Play', far from being 'just kids' play', just kids 'mucking about', is the manifest reflection of a profound and subtle process whereby both physical and social skills are developed amongst peers and without adult intervention.

Triangle c.1960s

Triangle c.1960s

Marjorie Porter, then embarking on her first employment as a Head Teacher at a brand new primary school in Lambeth embraced the notion of free play. The site for the Ashmole Primary School and the adjacent Triangle was cleared of slum dwellings as part of the regeneration of London undertaken by the LCC following the Second World War. Unlike many APGs that were to follow, the Triangle was never a bomb site. It was established by the energetic Mrs Porter on land cleared for, but surplus to, the requirements of her new primary school.


As was typical of the early APGs, the Triangle has never been operated by its borough council but is managed and funded by a fiercely independent committee drawn from its local community. Its longevity and success is the result of its continuing adherence to the ethos and values of its founders. The Triangle was in the vanguard of a movement that profoundly influenced the way in which society now understands and educates its young.

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2007

2007

2019

2019

the modern day triangle

The foundations of Triangle as we now know it were set during 2007 - 2009 as we installed our giant play structures and welcomed our senior play worker Jon. In the decade that’s followed Triangle has overcome challenges and flourished to be recognised as a multiple award winning adventure playground. We continue to serve the local community and still to this day receive older visitors, keen to share their memories of play during the 70s, 80s and 90s.

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