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Take a Tour: Grosvenor, Holbein Gardens

FEATURES / 22 APRIL 2026

Belgravia has long been synonymous with quiet luxury, but Holbein Gardens is proof that tradition and transformation can share the same address. Rising from the bones of a former 1980s office block, Grosvenor’s first-ever net zero workspace delivers 26,500 sq ft of Grade A, fully managed space in the heart of the Belgravia. 


 

A light-filled welcome


Situated in one of the capital’s most affluent postcodes, Grosvenor’s six-floor reinvention marries biophilic architecture, hospitality-led service and best-in-class sustainability in one impeccably curated setting.

 

From the outset, the building strikes a careful balance between bold presence and inviting warmth. On the ground floor, tenants are greeted by a stunning double-height reception, drenched in natural light and full of unmistakable character.

Beyond, the space unfolds into a beautifully considered social core. A shared kitchen anchors the floor, complemented by generous hot-desking tables and relaxed café-style seating.

By night, this space transforms into an open-plan events venue, ideal for talks, receptions, or networking. Meanwhile, the floor boasts a versatile meeting room, capable of hosting 20 in boardroom-style or 40 theatre-style.

Your work, your rhythm

Across six floors, flexible office suites range from 1,550 sq ft to 4,700 sq ft, delivering 23,073 sq ft of fully fitted workspace. The ground floor office accommodates 18 to 22 desks; floors one to four host up to 48 desks each, while the fifth floor supports up to 40. Each suite is inherently adaptable - capable of shifting to introduce private offices, meeting rooms or breakout spaces as teams expand or recalibrate.

 

Interiors by Barr Gazetas lean into texture and tone. Earthy greens, warm oak, muted creams and restrained burnt-orange accents bring depth without distraction. Expansive floor-to-ceiling glazing draws daylight deep into each suite, while Juliet balconies gift views across Sloane Square and Belgravia, anchoring the workspaces firmly within their neighbourhood.

 

The social spaces woven throughout the floors are impossible to resist. Every workspace is anchored by its own buzzing communal hub, designed to spark collaboration and keep the day moving.

Sustainability at its core


At Holbein Gardens, sustainability is structural, not symbolic. Grosvenor broke new ground, choosing to retain and retrofit the exciting structure rather than rebuild from scratch - slashing embodied carbon while hitting net zero standards.

The building fuses heritage, smart sustainability and clever use of light into a forward-thinking timeless space. Engineered for the future, smart, energy-efficient systems are woven throughout, proving sustainability here is foundational, not decorative.

Rooftops to roadside buzz

Beyond the workspace, Holbein Gardens’ rooftop haven awaits. Marking the buildings fifth-floor addition, this decked garden space boasts stylish seating and an outdoor tea point for coffee catchups and skyline sunsets.

At street level, tenants can step directly into one of London’s most sought-after neighbourhoods. From Duke of York Square to the King’s Road, the area is alive with cafés, boutiques, and culture - ideal for lunchtime strolls or after-work drinks. Plus, transport couldn’t be easier: Sloane Square is just a two-minute walk, with Victoria, Knightsbridge, and other key stations close by.

A new chapter for Grosvenor


From its luminous reception to its tailored office suites and rooftop vantage point, every corner of Holbein Gardens has been choreographed to fuel collaboration, focus, and creativity. Steeped in history yet engineered for the future, it marks a defining moment in the flex operator’s portfolio, and a charming addition to Belgravia.

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Written by

Flex and The City