Bentinck, the debut project from newly founded Rotterdam practice agence ontwerp, reorganizes a 90 sqm (969 sq ft) 1958 gallery-flat around an 8-meter (26 ft) storage wall, trading square footage for distance instead of adding either. Designed by Harry Nefkens and largely overlooked by the market in favor of older neighboring buildings, the apartment’s rigid party walls and free facades had been treated as a limitation by more conventional renovations of its type. The result reframes that overlooked structure as leverage, using distance itself as one of the project’s primary spatial devices.
A quietly overlooked address sets the terms of the project. The apartment sits on the 7th floor of a 1958 gallery-flat designed by Harry Nefkens, in a Rotterdam real estate market that was otherwise tight — yet this particular unit came without much competition, often passed over by buyers drawn instead to older buildings nearby assumed, not always fairly, to carry more charm. agence ontwerp treated that lower profile as an opening rather than a problem to be corrected.
The typology’s hidden flexibility is what made the opening usable. All apartments in the block are double-sided, the only load-bearing elements sit between units, and the facades are largely free — a double-loaded apartment typology that, properly read, hands the architect almost total control over the interior layout. Where other renovations of this housing stock default to the original partitioning, agence ontwerp treated the structure as a blank slate for redistribution rather than a plan to be respected as found.
Reading the plan before touching it shaped the whole sequence of decisions. The project began with an analysis of the existing structure’s qualities against contemporary livability criteria — first the views, which took precedence over everything else, then the floor plan itself, mapped for the possibilities the structure allowed rather than the divisions it already had. The goal from that reading was straightforward: maximize openness, and increase the usable surface of every room without expanding the envelope.
Distance as a design tool is the project’s least conventional move. Rather than shortening circulation — the default instinct in most compact-apartment renovations — agence ontwerp redistributed the space to force longer walks between rooms, using that added distance to make the apartment read as larger than its 90 sqm actually allows. The Rotterdam apartment renovation‘s expansive landscape becomes part of that strategy: the distant view is now omnipresent, visible from nearly every point along the extended route through the flat.
Every room got larger as a direct consequence of that redistribution. Minimizing circulation in the conventional sense — fewer, tighter hallways — was set aside in favor of enlarging every individual room, from the living room to the bathroom, at the expense of dedicated corridor space. The apartment gained volume by reducing overhead everywhere except in the paths that connect its rooms.
An 8-meter storage wall absorbs what the redistribution didn’t have to make room for. The project’s central lever is a built-in storage element the studio calls a mur utile — a built-in storage wall running roughly 8 meters through the plan — that reduced the clients’ need for freestanding furniture and kept the enlarged living spaces from filling back up with clutter. The apartment gains emptiness, in effect, by hiding what would otherwise occupy it in plain sight.
A restrained material palette closes the loop on the same logic. Materials were picked, reused, or revealed with the same discipline: one floor finish, one tiling, an exposed concrete ceiling rediscovered after one of the renovation’s longest efforts, and built-in furniture in wood that is either new or salvaged directly from the existing bathroom and kitchen. Nothing in the palette exists to make a separate decorative argument — each material either survived from 1958 or was chosen specifically to sit next to what did.
A deliberate design wager underlies the whole strategy: walking farther inside your own home can make it feel bigger rather than smaller — a bet that only pays off in a 90 sqm apartment because it’s paired with sightlines onto the city and a storage wall dense enough to absorb everything circulation elsewhere would have left cluttered. Whether that strategy scales past a debut project with total control over the internal walls, or whether it depends on exactly the kind of blank-slate structure Rotterdam’s 1958 gallery-flats happen to offer, is the more interesting question agence ontwerp has left open for its next commission.
Bentinck by agence ontwerp | Location: Rotterdam, Netherlands — Year: 2025 — Key materials: exposed concrete, plywood, reused and new built-in joinery