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Interior Designer: G.A Group

Architect: Ma²-Metzger et Associés Architecture

Hotel Group: Corinithia Hotels

Construction: Herpain Enterprise SA & Group Jansen

Photography: Johnathan Maloney | What The Fox Studio

G.A Group has unveiled its latest achievement with the transformation of Corinthia Brussels, a project that reimagines the historic Grand Hotel Astoria into a luxurious spa hotel that blends heritage with modern sophistication. Built in 1909 and located in Brussels’ iconic Freedom Quarter, the property has long stood as a symbol of the city’s grandeur. G.A Group’s design approach was rooted in respect for the building’s Louis XVI façade and ornate interiors, restoring and elevating them through thoughtful contrast and craftsmanship.

Central to this transformation is the hotel’s spa, a space inspired by the local Notre Dame au Neige district and its lace-making heritage. The design language reflects this connection through delicate lace motifs and a palette of light finishes, natural stones, and brass detailing. These elements come together to form a serene, cohesive environment that balances historic elegance with contemporary luxury.

At the heart of the spa is a reception area anchored by a double-sided fireplace in Patagonian Granite, framed by a bespoke lace-inspired backdrop. The adjacent Spa Café offers a tranquil setting where guests can enjoy champagne or light refreshments. The spa features six timber-lined treatment rooms, three of which include Skiros stone-clad showers for extended therapies. A dramatic stone staircase leads to the vaulted thermal area, where a nine-metre lap pool and vitality pool clad in white stone evoke purity and calm. A low-set fireplace by the water’s edge adds a reflective atmosphere.

G.A Group’s vision emphasizes operational fluidity and emotional resonance. Every detail, from the curated art to subtle technological enhancements, supports a guest experience deeply rooted in the spirit of Brussels. With a commitment to sustainability through restoration and use of local materials, G.A Group has returned this Grand Dame to its rightful place as a cultural and architectural landmark.