Ceramics, Climate and Continuity: The Zellige Revival at Lalla Yeddouna Square
Tile Wars · trends · · Tile Wars
The revitalization of Fez's Lalla Yeddouna Square reinvents traditional zellige at architectural scale, blending craft heritage, passive cooling and urban wayfinding in an Aga Khan Award finalist project.
The historic Medina of Fez, a UNESCO World Heritage Site, contains one of the densest and oldest urban fabrics in the world. At its heart, Lalla Yeddouna Square has historically been a crucial connector between the two banks of the Bou Khrareb river and a hub of intense craft activity. After years of degradation, its ambitious urban revitalization —designed by Mossessian Architecture with Yassir Khalil Studio— has brought the space back to life by combining heritage conservation with sustainable innovation.
Within this transformation, the most iconic and visually striking element is the reinvention of the traditional tile, or zellige.
A Visual Transition: From Ancestral to Contemporary
The ceramic project, developed with British artist Michael Pinsky, pays tribute to 1,500 years of Fez zellige tradition while breaking its conventional molds in a way never before seen in Morocco.
Instead of sticking to the small-scale, repetitive, intricate geometry of classical Islamic art, the square proposes an evolving, ascending narrative on the facades of the new buildings:
The Base (Tradition): At street level, tiles faithfully replicate the vernacular forms and traditional Moroccan star and mosaic patterns.
The Transition (Mutation): As the eye rises up the walls, the shapes undergo subtle geometric mutations inspired by Hispano-Muslim cross-influences.
The Summit (Abstraction): At the top, the traditional pattern fully dissolves into abstract, pixelated, purely contemporary compositions.
The scale also shifts dramatically. The architects introduced large-scale zellige panels, clad entire exterior walls of courtyards and open-air galleries — highly unusual in traditional architecture, which typically relegated the material to interiors or small friezes.
Smart Functionality: Far More Than Decoration
The use of tile at Lalla Yeddouna is not purely aesthetic; it fulfills two critical missions for the medina's sustainability and daily life:
1. Passive Climate Control and Thermal Comfort
Fez suffers extreme summer temperatures. The glossy ceramic surfaces efficiently reflect intense solar radiation. Combined with the project's passive design strategies —double-layer walls, cross ventilation and courtyard stack effect— the tile facades actively help reduce temperatures in urban passages and craft workshops, minimizing the need for mechanical cooling.
2. Intuitive Wayfinding and Orientation
The Fez medina is a labyrinth where getting lost is inevitable. Designers used the tiles' chromatic variations strategically: the color and pattern of the ceramic panels in each courtyard act as an intuitive navigation guide, helping visitors and locals visually identify the type of craft workshop (textiles, copper, leather) hosted on each block.
Local Identity and Community Future
To preserve absolute authenticity, every ceramic piece was hand-molded, glazed and cut by local Fez artisans, using regional native clays and techniques passed down through generations.
The project, a finalist for the prestigious Aga Khan Award for Architecture, proves that urban regeneration in high-value historic contexts need not choose between frozen preservation and the tabula rasa of modernity. Through ceramics, Lalla Yeddouna Square has built a bridge —both physical and cultural— where craft tradition becomes the perfect tool to design the city's sustainable future.