Sahabat Selojene Squeezes a Five-Storey Hotel onto a 2.8-Meter-Wide Plot in Salatiga

A plot 2.8 meters wide and 12 meters deep is not, by any reasonable standard, a building site. In Salatiga, a small city 600 meters above sea level on the island of Java, that sliver of land had been written off as a neighborhood dumping ground. Sahabat Selojene saw something else: enough square meters, stacked vertically, to house seven individually themed hotel rooms, a reception corridor, a staff room, and a rooftop restaurant with views of the surrounding mountains and lakes. The result, completed in 2023, is a 33.6-square-meter footprint stretched across five storeys, wrapped in red Agra sandstone and capped by cantilevered steel cages that hold the building's mechanical plant.

What makes The Slender Hotel worth studying is not simply that it exists on an absurdly narrow site. Plenty of architects have squeezed buildings into tight lots. The real interest lies in the regulatory maneuvering, the structural ingenuity, and the environmental logic that make the tower feel deliberate rather than desperate. The architects secured a height waiver to compensate for the lack of floor plate. They used deep well foundations because conventional piles could not be driven without threatening the century-old perimeter walls. They bent the structure outward on upper floors to reclaim the original property boundary. Each of these decisions is a small lesson in how neglected urban land, common across Indonesian towns with complicated inheritance patterns, can be reclaimed through careful architectural argument.

A Red Tower in a Low-Rise Neighborhood

From the street, the building reads as a single vertical slab of Agra Red sandstone rising above the rooflines of single-storey houses and garden walls. The material choice is assertive. Red sandstone is not local to Central Java, and its warm, granular surface contrasts sharply with the painted render and corrugated metal of its neighbors. But the scale is calibrated: at only 2.8 meters across, the tower's street presence is closer to a chimney or a campanile than to a conventional hotel facade. Overhanging tree branches, a lamppost, and the surrounding foliage all conspire to soften its profile.

At dusk, the building's angular silhouette becomes its most striking feature. The upper floors, where the structure bends outward to reclaim the original boundary line, create a subtle overhang that gives the tower a forward lean. Cantilevered steel cages at the top add an industrial counterpoint to the stone cladding below. The overall impression is of a building that is aware of its own improbability and leans into it.

Entering Through the Slot

The ground floor is a corridor in the most literal sense. A long, narrow passage leads from the street to the reception area at the rear, with circular wall apertures and terracotta partitions breaking down the tunnel-like proportions. At dusk, the planted courtyard at the far end glows through the building's depth, pulling visitors forward. The red metal grate flooring is the first indication of the see-through circulation strategy that defines every level above.

There is no lobby in the conventional sense. The entire entrance sequence is a compressed act of arrival: you step off a 3-meter-wide alley, pass through a threshold barely wider than your shoulders, and find yourself in a space that is simultaneously intimate and unexpectedly tall. It is an architecture of forced perspective, where every centimeter of width has been accounted for.

Vertical Circulation as Architecture

In a building this narrow, the staircase is not a servant space. It is the building. The steel stair runs through all six storeys at a width of 90 centimeters, with grating flooring that allows sightlines (and airflow) to pass through the entire vertical volume. Exposed weathered brick from the preserved perimeter walls lines the stairwell, creating a layered archaeology of old and new surfaces. An angled skylight at the top floods the shaft with daylight, transforming what could have been claustrophobic into something almost ecclesiastical.

The transparency of the circulation system is not merely aesthetic. In a building sandwiched between an alley and neighboring houses, with only the east facade truly open, moving air through the section is a survival strategy. Gill-like openings on the eastern wall, gaps between the external cladding and an opaque canopy on each floor, and the open grating all work together to generate a continuous air stream. The architects have turned the building's extreme proportions into a passive ventilation engine.

Rooms as Micro-Worlds

Each of the seven guest rooms measures 2.8 by 3 meters with a ceiling height of 2.4 meters. That is roughly the footprint of a large bathroom in a standard hotel. Within those dimensions, the architects have fitted sleeping areas, fold-down desks, timber millwork, and fully equipped bathrooms. Custom artworks and distinct color palettes give each room its own identity: one features a red accent wall with horizontal blinds filtering morning light; another has an undulating illuminated ceiling and compact timber cabinetry.

The rooms succeed because they do not pretend to be larger than they are. Two square windows in each bedroom frame specific views of the surrounding landscape, turning the walls into viewfinders rather than barriers. The design draws on the logic of sleeping cabins, train compartments, and capsule hotels, but with material warmth and considered detail that those precedents rarely achieve. Comfort here is defined by precision, not by area.

The Rooftop as Reward

After ascending five floors through a 90-centimeter-wide staircase, the rooftop terrace arrives as a genuine spatial release. Timber decking surrounds a sunken seating pit upholstered in black, oriented directly toward the volcanic mountain that anchors the Salatiga skyline. The restaurant and bar at this level take advantage of the town's 600-meter elevation to offer panoramic views that are, frankly, the hotel's most extravagant amenity.

The contrast between the compressed rooms below and this open-air platform is the building's narrative climax. It is a sequence borrowed from religious architecture, from the narrow, dimly lit nave that opens into light at the altar. Whether or not the architects intended the analogy, the effect is unmistakable: the ascent is the experience, and the view is earned.

Plans and Drawings

The site plan reveals just how improbable the project is: a hair-thin footprint wedged between street trees and the fabric of surrounding urban blocks. The floor plans read as a stacking exercise in which every level is a variation on the same 2.8-meter constraint. On the ground floor, the entrance corridor, sitting area, kitchen, and service spaces are arranged in strict linear sequence. Upper floors alternate between one and two guest rooms per level, separated by the steel staircase and service shaft. The sixth floor opens up to the dining terrace, the only level where the plan breathes freely.

The longitudinal section is the most revealing drawing. It exposes the vertical stack of rooms within the angled tower form, the outward bend of the upper floors, and the relationship between the cantilevered plant room and the occupied spaces below. The north elevation, with the slender tower drawn beside a neighboring gabled house, makes the scalar argument that the entire project depends on: extreme height and minimal width, justified by the waiver that traded footprint for altitude.

Why This Project Matters

The Slender Hotel is a proof of concept for a type of development that small Indonesian cities desperately need. Across the archipelago, irregular and undersized plots sit vacant because they fail to meet conventional building standards or because fragmented land ownership has made them legally complex. Sahabat Selojene's approach, working within regulatory frameworks rather than around them, securing a height waiver through a well-reasoned architectural proposal, and preserving existing heritage walls, offers a replicable model. It demonstrates that urban infill does not require demolition or consolidation; it requires imagination and persistence.

Beyond its planning implications, the hotel is a compelling piece of architecture on its own terms. The passive ventilation strategy, the structural acrobatics of the outward-bending upper floors, the material juxtaposition of red sandstone and steel grating, and the theatrical sequence from compressed entry to open rooftop all speak to a design team thinking holistically about a very constrained problem. In a discipline that too often equates ambition with size, this 33.6-square-meter footprint contains more ideas per square meter than most buildings ten times its area.

The Slender Hotel (PituRooms) by Sahabat Selojene, Salatiga, Indonesia. 33.6 m² footprint, five storeys, completed 2023. Photography by David Permadi and Martin Westlake.

About the Studio

Share Your Own Work on uni.xyz

If projects like this are the kind of work you want to make, uni.xyz is a place to publish your own, find collaborators, and enter design competitions.