Design constraints

The design of the Barbican Centre developed over an extended period from the late 1950s to its completion in 1982, during which both the scope of the project and the conditions under which it was built changed significantly. Chamberlin, Powell and Bon, the architects of the Barbican scheme, were responsible for integrating the Centre into a development that had already been partly designed and, in some areas, constructed.

This created a fundamental constraint. The Centre could not be planned as an isolated building on an open site, but had to be fitted into an existing system of terraces, walkways, and podium structures forming the Barbican Estate. The estate itself had been conceived as a series of raised platforms with pedestrian routes separated from roads below. The Centre had therefore to be inserted into this layered structure.

Internal organisation

One consequence of this was that the principal performance spaces—the concert hall and the theatre—were placed largely below the main podium level. This arrangement allowed the external form of the building to remain relatively contained, but it required a complex internal organisation of spaces above and around the main venues.

The foyers, galleries, restaurants, and circulation areas were distributed across several levels, forming a dense and interlocking system of spaces. The architects aimed to achieve a high degree of compactness by accommodating many different functions within a limited footprint. This compactness was not achieved without consequences, and the resulting building is intricate in section, with multiple levels, changes of direction, and indirect routes between spaces.

External form

Externally, the building presents a series of layered elevations, particularly on the lakeside, where terraces and projecting elements are arranged between large vertical concrete supports. Parts of the building, including restaurants and circulation elements, are expressed more clearly, while the main performance spaces are largely concealed within the structure.

The theatre is indicated externally mainly by its fly tower, which rises above the rest of the building. Around this structure, at a higher level, is the conservatory, which wraps around part of the theatre and introduces a contrasting element of glass and planting into the composition. The concert hall, by contrast, is largely contained within the mass of the building and is not directly legible from the exterior.

Construction and delays

Construction of the Barbican Centre began in 1971, some years after work had commenced on other parts of the Barbican Estate. The construction process extended throughout the 1970s and was affected by a number of difficulties.

The complexity of the design itself created challenges. The need to coordinate structural, acoustic, and service requirements within a tightly constrained space added to the difficulty of construction. Industrial disputes within the construction industry during this period also contributed to delays. Changes made during construction, as the design continued to evolve, further affected the programme.

Cost escalation

The inclusion of additional facilities, such as conference accommodation and expanded cultural spaces, required adjustments to the original plans. These changes were not merely superficial but affected the internal organisation of the building and increased its overall complexity. As a result of these factors, the construction period was prolonged and costs rose significantly.

The original estimate for the Barbican Centre was approximately £14 million. By the time of its completion, the final cost had risen to around £159 million, which is approximately 11 times the original estimate and would not appear as large a figure in present-day terms. This increase reflected both inflation during the 1970s and the inherent difficulty of the project.

Reception on completion

The extended construction period also meant that the building was completed in a different architectural climate from that in which it had been conceived. By the early 1980s, architectural taste had moved away from the forms and materials associated with the Barbican.

As a result, the Centre was received with mixed reactions when it opened. Some observers admired the ambition and scale of the project, as well as the integration of multiple functions within a single complex. Others criticised the building for its complexity, its internal layout, and its outward appearance, with particular attention drawn to the difficulty of navigation.

Despite these criticisms, the Barbican Centre represented a significant achievement in terms of the scale and range of facilities it provided. It brought together performance, exhibition, education, and public amenities within a single integrated structure. The design reflects a combination of architectural ambition and practical compromise. The need to accommodate a wide range of functions, to integrate the building into an existing estate, and to respond to changing requirements over time all contributed to its final form. The resulting building is therefore not the product of a single, fixed design, but of a process in which ideas were adapted and extended over many years. Its complexity is not incidental, but arises directly from the conditions under which it was conceived and constructed.