The Disappearing Balcony and Rotating Window of Devon's Art Barn
Architect Thomas Randall-Page blends functionality with artistry through kinetic architectural elements.
1Folding Balcony Mechanism
The Art Barn's most striking feature is its vertically bifolding balcony system. Inspired by castle drawbridges, architect Thomas Randall-Page developed a mechanism where the upper cladding leaf becomes the balcony floor while the lower hinged leaf forms triangular support. Balanced by two steel rods and a large stone counterweight, this motor-free design operates like a manual garage door. When folded, the balcony disappears into the space between glazed door and upright cladding, complete with a lockable hinged handrail module that flattens seamlessly.
2Counterweight Engineering
The balcony system employs three distinct counterweights: steel rods for the upper leaf and stone weight for the lower leaf. As the balcony opens, the steel rods slide up behind cladding like sash weights. The rotating window uses a cast iron powerlifting weight (25kg) attached to a custom galvanized arm. This slides on a greased steel rod through a wall sleeve, precisely balancing the glazed unit. Both systems achieve perfect equilibrium without electrical components through meticulous weight distribution.
3Coronally Rotating Window
Unlike conventional windows, the Winter Studio's aperture rotates on the coronal plane (front-to-back axis relative to human anatomy). While bicycle wheels demonstrate sagittal rotation and steering wheels show coronal movement, this innovative design makes the window completely disappear from gallery view when opened 90 degrees. The architect developed this unconventional opening mechanism following the balcony's success, pushing boundaries of kinetic architecture.
4Prototyping Process
The design underwent 5 prototype stages, beginning with rough physical models before digital precision modeling. The cast iron window counterweight required 8 months of testing to achieve optimal balance. Both kinetic elements operate 100% mechanically - the architect emphasizes their independence from electrical systems. Each component was refined through iterative testing, with the final balcony geometry allowing smooth transformation between wall and platform.
5Material Selection
Local materials dominate: Devon-sourced cedar for balcony cladding, stainless steel for window frames. A 50kg granite block from regional quarries serves as primary counterweight. Custom-fabricated galvanized arms and steel bearings were UK-made, with 85% of materials sourced within 100km radius. Material choices reflect both functional requirements and aesthetic harmony with the rural setting, creating durable solutions that age gracefully.
6Spatial Relationships
Designed as sculptor Peter Randall-Page's studio-gallery, Art Barn redefines spatial connections. The rotating window links the Winter Studio's control-room-like space with the main gallery half-level below. When deployed, the balcony extends living space outdoors; when retracted, it maintains the building's clean facade. This dynamic architecture creates fluid transitions between work, exhibition, and nature - all through mechanical poetry.
7Sustainable Innovation
The design offers significant sustainability benefits: Zero energy consumption thanks to mechanical systems. The folding balcony improves winter insulation by 30%. Local materials reduce carbon footprint while repairable components extend lifespan. The window's 90-degree rotation enables optimal natural ventilation. These features demonstrate how kinetic architecture can marry environmental responsibility with striking design - proving sustainability needn't compromise aesthetics.
8Redefining Architectural Elements
Randall-Page's designs reinvent traditional architectural features through counterweight systems that are simple yet profound. Art Barn exemplifies how mechanical movement can bring architecture to life, bridging functional art and daily living. This project stands as inspirational reference for future kinetic architecture - where buildings don't just contain space but actively transform it, creating dialogue between form, function and the poetry of motion.
Original article: Core77 — Devon'daki Sanat Ahırı'nda Gizlenen Balkon ve Dönen Pencere