The Engine Shed
The Roundhouse on Chalk Farm Road is one of those buildings whose very survival seems improbable. Constructed in 1847 as an engine shed for the London and Birmingham Railway, it was designed by Robert Benson Dockray and Robert Stephenson to house the locomotives that hauled trains into the new Euston terminus. The building's circular plan, with its conical roof supported by twenty-four cast-iron columns radiating from a central turntable, was dictated entirely by function: the turntable allowed engines to be rotated and directed into any of the radiating bays for maintenance and storage. It was industrial architecture of the most pragmatic kind, built without the slightest pretension to aesthetic distinction.
Yet the Roundhouse possessed, from the beginning, a quality that transcended its utilitarian purpose. The great circular space, with its soaring roof and its ring of iron columns, had a grandeur that seemed almost cathedral-like, as if the engineers who designed it had inadvertently created a temple to the age of steam. The proportions were magnificent: the building was approximately one hundred and sixty feet in diameter, and the roof rose to a height that flooded the interior with light from the windows set into the clerestory. Visitors who encountered the space for the first time were often struck by its unexpected beauty, a reaction that would be repeated many times over the building's long history.
The Roundhouse's career as a railway building was surprisingly brief. Within a decade of its construction, the rapid growth of railway traffic and the increasing size of locomotives had rendered the building inadequate for its original purpose. The turntable could not accommodate the larger engines that were being introduced, and the radiating bays were too narrow for modern rolling stock. By the 1860s, the Roundhouse had been converted to other uses, serving variously as a bonded warehouse for Gilbey's Gin and as a general storage facility. The building that had been built for the cutting edge of Victorian technology found itself, within a generation, relegated to mundane commercial use.
For nearly a century, the Roundhouse sat on Chalk Farm Road in quiet obscurity, its extraordinary interior hidden behind the commercial activity that occupied its ground floor. The neighbourhood changed around it, Camden Town and Primrose Hill evolving from industrial districts to residential communities, but the Roundhouse remained, solid and patient, waiting for the moment when its remarkable space would once again find a purpose worthy of its architecture.
The Counterculture Years
That moment arrived in 1964, when the playwright Arnold Wesker conceived the idea of transforming the Roundhouse into a cultural centre for working people. Wesker's Centre 42 project, named after a trade union resolution supporting the arts, was idealistic, ambitious, and chronically underfunded. The building was acquired on a lease, and rudimentary renovations were undertaken to make the space usable for performances. But it was the events that followed, rather than Wesker's original vision, that would make the Roundhouse one of the most legendary venues in London's cultural history.
The first major event to announce the Roundhouse's new identity was the launch of the underground newspaper International Times in October 1966, an all-night event featuring Pink Floyd, Soft Machine, and a gathering of London's emerging counterculture that signalled the building's transformation from derelict warehouse to epicentre of the alternative arts scene. The event was chaotic, overcrowded, and barely legal, and it established a template that would define the Roundhouse for the next decade: raw, improvised, and crackling with the energy of cultural revolution.
Throughout the late 1960s and 1970s, the Roundhouse hosted an extraordinary sequence of events that reads like a history of the counterculture. The Doors played here, as did Jimi Hendrix, The Rolling Stones, and Led Zeppelin. The building became a home for experimental theatre, with companies like the Living Theatre and Peter Brook's Centre International de Créations Théâtrales using the vast circular space for productions that would have been impossible in conventional theatres. The Roundhouse's lack of conventional stage machinery, its unfinished surfaces, and its industrial atmosphere became assets rather than limitations, perfectly suited to the anti-establishment aesthetic of the period.
The building's proximity to Primrose Hill and Camden Town placed it at the intersection of two of London's most culturally active neighbourhoods. The audiences that filled the Roundhouse for its legendary gigs and theatrical events were drawn from the artists, writers, musicians, and bohemians who populated the surrounding streets, and the venue's influence radiated outward into the community, contributing to the creative atmosphere that would make this corner of NW1 one of the most culturally significant districts in London.
Decline and Rebirth
By the 1980s, the Roundhouse had fallen into serious disrepair. The building's listed status protected it from demolition, but the lack of investment in maintenance had left the structure in a perilous condition. The roof leaked, the ironwork was corroding, and the services were inadequate for modern performance requirements. The venue closed for extended periods, and there were genuine fears that one of London's most architecturally remarkable buildings might be lost to neglect.
The rescue of the Roundhouse came through a major Heritage Lottery Fund grant and the commitment of the Norman Trust, which funded a comprehensive renovation that restored the building to full functionality while preserving its industrial character. The renovation, completed in 2006, was a triumph of sensitive conservation. The great circular space was retained in its essential form, with new technical infrastructure discreetly integrated into the existing structure. The result was a venue that combined the raw atmosphere of the original building with the facilities expected of a twenty-first-century performance space.
The renovated Roundhouse reopened as a performing arts and creative centre with a particular focus on young people. Its programme combined major concerts and theatrical productions with an extensive education and training programme that gave young Londoners access to professional-quality studios, workshops, and performance opportunities. This dual identity, as both a major venue and a community resource, represented a synthesis of the building's various historical incarnations, combining the democratic ideals of Centre 42 with the artistic ambition of the counterculture years.
Today the Roundhouse continues to serve as one of London's most distinctive and valued cultural venues, its circular interior still capable of producing the sense of wonder that has struck visitors since the building was first constructed nearly two centuries ago. The journey from engine shed to counterculture cathedral to contemporary arts centre is one of the most remarkable stories in London's architectural history, and the Roundhouse's position on the border between Primrose Hill and Camden ensures that it will continue to contribute to the cultural vitality of NW1 for generations to come.
*Published in the Hampstead Renovations Heritage Collection — exploring the architecture, history, and stories of London’s most remarkable neighbourhoods.*