The Glasgow School of Art

The Glasgow School of Art's Mackintosh Building is frequently described, in triumphant tones, as a masterpiece that has been "saved" after two devastating fires. As of the most recent available reporting, that is not an accurate summary of where things actually stand. The building has not been fully restored, a full restoration has been publicly judged too expensive to complete, and a significantly reduced reconstruction — retaining only parts of the historic fabric — is now the most likely outcome. This card tells that story honestly, including the parts that are still unresolved and genuinely disappointing to many who care about the building.

The construction history, the two fires, and their formally investigated causes are well documented through official fire service reports, the school's own public statements, and extensive press coverage, and are treated here as established fact. The current and future status of the building is a genuinely moving target: at the time of writing, the School has publicly stated that full restoration is financially unfeasible and is weighing a reduced reconstruction, a position that has shifted over several years and remains subject to ongoing arbitration, funding negotiations, and planning decisions. Readers should treat any claim about the building's "final" restored form as provisional rather than settled, and should expect that the specific plan, cost estimate, and timeline may continue to change after this article's publication.

Mackintosh's defining commission

The Glasgow School of Art building is widely regarded as Charles Rennie Mackintosh's single most significant architectural achievement, and the work that established his international reputation. Built in two phases between 1897 and 1909, with substantial funding from the Bellahouston Trust, the building combined a restrained, almost severe exterior massing with highly inventive interior spaces, most famously its double-height library, built using a complex timber structure that became one of the most celebrated interior spaces in early twentieth-century British architecture. The building is credited with helping pioneer what became known internationally as the "Modern Style," a British strand of Art Nouveau-adjacent design closely associated with the broader Glasgow Style movement, covered in its own dedicated card on this site.

The 2014 fire: an avoidable accident

The first major fire, in May 2014, was not the result of any inherent structural flaw in Mackintosh's original design, but of an identifiable and, in retrospect, avoidable accident: a canister of expanding foam, used in violation of school policy near a hot projector, ignited flammable gases. Fire investigators subsequently found that the building's historic construction — timber-lined walls and voids, and original ventilation ducting running both vertically and horizontally through the structure — significantly aided the fire's rapid spread, and noted that modern fire dampers had not been retrofitted and an intended suppression system remained incomplete. The fire destroyed the renowned Mackintosh Library outright and damaged roughly 10% of the building and 30% of its contents, though no casualties occurred, and archivists were able to salvage damaged materials through specialist air- and freeze-drying techniques.

The 2018 fire: catastrophic, and still unexplained

The second fire, in June 2018, occurred while restoration work following the first fire was still underway, and proved far more devastating: emergency services deployed around 120 firefighters and 20 fire engines, the blaze severely damaged the adjacent O2 ABC music venue (which was later demolished in 2024), and ultimately left only a burnt-out shell of Mackintosh's building standing. Remarkably, despite a formal investigation lasting three and a half years and concluding in January 2022, Scotland's Fire and Rescue Service was unable to determine a definitive cause — a genuinely unresolved question that this article does not attempt to answer beyond reporting the official finding, since no credible source currently offers one.

A restoration effort that stalled, then stalled again

In the years following the 2018 fire, the Glasgow School of Art pursued a stated goal of "faithful reinstatement" — rebuilding the Mackintosh Building as closely as possible to its pre-fire form, using historically accurate materials including original wood species such as longleaf pine and tulipwood, informed by extensive laser surveys of the building's remains. This ambition proved difficult to fund and execute: a £25 million restoration contract with the contractor Kier Group was terminated after the second fire, legal action was pursued against the architects involved in the earlier restoration, and a subsequent procurement process collapsed in 2023 after a £62 million contract offer was withdrawn. Stabilisation and debris clearance work alone cost over £12 million between 2018 and 2020.

The current, unresolved reality: restoration abandoned, not achieved

This is the part of the story that a purely celebratory account would prefer to skip, and the part this article insists on stating plainly. As of the most recent available reporting, the Glasgow School of Art has stated that it cannot afford a full, faithful restoration of the Mackintosh Building, with cost estimates reaching as high as £265 million — roughly five times the institution's annual turnover. Rather than achieving the "faithful reinstatement" announced in 2021, GSA has instead signalled an intention to pursue a significantly reduced reconstruction, retaining elements of the historic, Category A-listed façade while introducing contemporary interiors, with significant original spaces — including the celebrated library and a timber-framed corridor — potentially not recreated at all. This proposal has drawn sharp criticism from heritage architects: one prominent critic has publicly called the decision a "betrayal," arguing that a reconstruction departing from the original design loses the building's essential integrity regardless of how much of the façade survives. An enabling project to secure the structure, replacing external scaffolding with internal retention systems, is scheduled to begin, with GSA's most recent public target for reopening the building as a graduate school set at 2030 — a date that, given the project's history of delay, should itself be treated as provisional rather than guaranteed.

Why this matters for how the building is understood

It would be easy, and is in fact common in casual summaries, to tell this story as "a masterpiece, twice damaged by fire, lovingly restored" — a satisfying narrative arc that simply is not supported by the current record. The accurate account, as of this writing, is of a world-significant building destroyed by two fires (one an avoidable accident, one of undetermined cause), followed by a restoration effort that has repeatedly stalled over cost, and that currently appears headed toward a compromise reconstruction rather than a full recreation of Mackintosh's original design. This is a real and significant architectural loss, still playing out, and readers encountering more triumphant summaries elsewhere should treat them with appropriate scepticism until the building's actual final form is confirmed.

• The Glasgow School of Art building was constructed in two separate phases, a decade apart (1899 and 1909), due to funding constraints.
• The 2014 fire was caused by a can of expanding foam used near a hot projector, in violation of school safety policy — not by any flaw in Mackintosh's original design.
• Investigators spent three and a half years examining the 2018 fire and still could not determine a definitive cause.
• The 2018 fire also severely damaged the neighbouring O2 ABC music venue, which was later demolished in 2024.
• Stabilising the gutted building after the 2018 fire alone cost over £12 million, before any actual restoration work began.
• A 2023 restoration procurement process collapsed after a £62 million contractor offer was withdrawn.
• GSA's own most recent cost estimate for a full, faithful restoration — around £265 million — is roughly five times the institution's annual turnover.
• The most recent public plan retains only parts of the historic façade, with some of the building's most celebrated original interior spaces potentially not recreated.

The most important corrective this card makes is to the widespread assumption that the Mackintosh Building has already been "saved" or restored — it has not, as of the most recent reporting, and the School has publicly stated that a full, faithful restoration is financially unfeasible. A second point requiring care: the cause of the catastrophic 2018 fire remains officially undetermined after a lengthy formal investigation, and any confident claim about its cause circulating online should be treated with scepticism unless it cites the actual fire service findings. Finally, because the restoration plan, cost estimates, and timelines have shifted substantially and repeatedly since 2018, any specific figure or date in this article — including the £265 million cost estimate and 2030 reopening target — should be understood as the most recent publicly available figures at the time of writing, not a permanently fixed outcome.