Project

pent_hau_s

Client
private
Services
interior design full service
Ort
Berlin
Fertigstellung
2018
A Stair to the Sky — Loft Living by Bötzow

Sky above Prenzlauer Berg

A part-converted roof shell becomes a calm penthouse across two levels: an open living area with a bespoke joiner-built kitchen, a clean oak staircase as the spatial motif, above it a deep-blue maisonette floor and a roof terrace with a wide view across Berlin. In parallel, serious defects in the existing fabric were put right - from waterlogged roof insulation to faulty steel connections. Delivered while the building stayed in use, without a façade scaffold and without a construction hoist.

Eichentreppe mit Glasgeländer, maßgefertigte, grifflose Küche in Lichtgrau; darüber der tiefblaue Dachraum mit Oberlichtern.

"Sometimes you come across building fabric that can only aptly be called a Pandora's box."

Set just behind Chipperfield’s new Bötzow Quarter, the project began as a small-scale fit-out and soon revealed the realities of building in the existing fabric. To investigate moisture, parts of the common property were opened. The findings were unambiguous — completely soaked roof insulation and provisional steel joints — calling for thorough remediation. OOW coordinated with the homeowners’ association, replaced the insulation to a high standard and executed the steelwork to code. Through it all, the architectural intention stayed constant: a generous, unruffled living space where structure, material and light lead the composition. Beams and columns are left visible and folded into the design; finishes remain quiet, junctions exact. The bespoke, handle-less kitchen extends the spatial continuum — tranquil fronts, a glass splashback and an island that centres daily use. The internal oak stair sets the vertical theme. Overhead, a dark blue crown composes the roof form and draws in light; large openings turn the city into a companion, and the exit to the roof terrace makes the view part of the everyday ritual. Organisationally, the site required respect and restraint: materials moved without a lift, the sequence planned without a scaffold, with short phases and hushed logistics. Delivery by discipline: materials without a lift, sequencing without scaffolds, operations kept hushed. Where thorough repair meets effortless daily use — loft calm, townhouse rigour, penthouse views.

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