Coolstock Builds a Layered Garden Pavilion from Concrete, Steel, and Wood in Slovakia

There is a particular kind of ambition in the small project. A garden pavilion does not need to justify itself with a complex program or a city block of context. It needs only to answer the question: how should a family spend time outdoors? Bratislava-based studio Coolstock took that question seriously in Bernolákovo, Slovakia, producing a 106 m² structure that sits just south of an existing family house and transforms its garden into a fully furnished open-air room.

What makes this pavilion worth studying is its material logic. Concrete, steel, and wood are not simply combined; they are sequenced vertically like geological strata. Polished concrete anchors the ground, steel carries the load, and glued timber profiles form the ceiling plane. Each material does its job visibly, without cladding or concealment. The result reads less like a decorative garden folly and more like a compact piece of infrastructure designed to age gracefully alongside the trees around it.

Three Materials, One Clear Hierarchy

The pavilion's structural honesty is its defining trait. Board-formed concrete cubes rise from a monolithic slab, their rough textures telegraphing the formwork process to anyone who looks closely. Steel columns and beams slot in above, transferring roof loads with minimal visual mass. And then the timber: long glued profiles run in parallel overhead, their warm grain softening what could otherwise feel like a purely industrial composition. The layering is not decorative. Each material occupies a distinct zone in the section, so the eye understands immediately what is holding up what.

Coolstock uses the two concrete volumes strategically. They act as buffers, screening the pavilion from the access road to the north and the underground garage ramp to the east. Privacy arrives without fences, and the open south and west faces are left free to engage the garden. It is a smart plan move that turns a service problem into a spatial asset.

The Fireplace as Anchor

Every good outdoor room needs a focal point, and here it is a concrete fireplace wall with a recessed brick-lined firebox. At night, the fire draws the eye and pulls the family inward, turning the open pavilion into something closer to a living room. A spherical pendant light hangs nearby, its soft glow reinforcing the domestic atmosphere without competing with the flames. The brick lining is a considered detail: it introduces a fourth material only where thermal performance demands it, keeping the palette disciplined everywhere else.

Open Living Between Kitchen and Lounge

The 106 m² floor plate is divided into two distinct levels. A slight change in elevation separates the lounge zone from the summer kitchen and dining area, giving each activity its own territory without walls. Timber cabinetry lines the kitchen side, while a deep sectional sofa occupies the lower living platform. The multi-level floor is a small move with an outsized effect: it creates the sensation of moving through rooms even though the space is entirely open to the garden on two sides.

Overhead, the exposed timber joists maintain a continuous rhythm across both levels, unifying what the floor separates. Steel beams span the wider openings, and their dark profiles punctuate the warm ceiling like structural headlines. The proportions feel generous for a pavilion this size, a quality Coolstock achieves by keeping vertical surfaces to a minimum and letting the roof plane do the spatial work.

Landscape Threshold

The relationship between pavilion and garden is negotiated through a series of concrete stairs and low walls that step down to lawn level. Planted beds soften the hard edges, and an existing tree stands close enough to the structure to cast shade across the roof. At dusk, the pavilion reads as a glowing platform set into the landscape, its timber ceiling lit from within while the concrete masses recede into shadow. The vegetation roof, sloped gently toward the garden, prevents overheating in the attic space and helps the structure disappear from upper-floor windows of the main house.

Adjustable screens on the south and west faces handle the low afternoon sun, a practical concession that keeps the space usable through the hottest hours. Coolstock resists the temptation to make these screens a design feature; they are simply tools that slide in when needed and vanish when they are not.

Why This Project Matters

Garden pavilions occupy an awkward spot in architectural discourse. They are too small to attract serious critical attention, yet they are the projects where many families first encounter deliberate architectural thinking. Coolstock's contribution in Bernolákovo succeeds because it treats the brief with the same rigor a larger commission would demand. The material sequence is legible, the plan is strategically organized around privacy and view, and the construction details are exposed rather than hidden.

The pavilion also demonstrates that honest construction can produce warmth, not austerity. Board-formed concrete, raw steel, and timber beams could easily tip into industrial coldness, but the fireplace, the level change, and the generous openness to the garden keep the space firmly on the domestic side of the line. It is a small building that knows exactly what it is and does not pretend to be anything else. That clarity is worth more than any amount of programmatic complexity.

Garden Pavilion by Coolstock, Bernolákovo, Slovakia. 106 m². Completed 2023. Structural engineering by Statikon. Roof construction by KONTRAKTING KROV HROU. Furniture by Todus. Photography by Nora & Jakub Čaprnka.

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