Modernhaus opens like a private salon above a bustling Jakarta street, a cocktail bar that asks guests to sit, converse and taste with ease. From the moment you step onto the third floor above Bouchon in Senopati, Modernhaus places you in a warm, low-lit space patterned after a 1950s living room, where a communal island bar removes the barrier between bartender and guest. The bar’s botanical approach appears immediately: menus organized by roots, fruits, leaves and flowers, and a focus on Indonesian botanicals and fermentation techniques that set the tone for a focused drinking experience. Guests searching for a thoughtful cocktail lounge in Jakarta will find Modernhaus balances design, craft and sustainability in each glass. Mirwansyah 'Bule' leads the program with more than 14 years of industry experience and a track record that includes contributions to The Cocktail Club. His vision for Modernhaus is precise: ingredient-first cocktails, accessible service and active use of local biodiversity. The Union Group backs the project with operational expertise, while the awards cabinet provides social proof—Modernhaus placed No.12 on Asia’s 50 Best Bars in 2025 and took home the Three Cents Best New Opening Award and The Best Bar in Indonesia award the same year. Those accolades reflect a menu that privileges fermentation, small-batch liqueurs and zero-waste workstreams. Mirwansyah 'Bule' and the mixology team showcase fermentation through house makgeolli, fruit wines and repurposed peels and pomace; those techniques reduce waste and intensify flavor. The bar’s philosophy pairs mid-century design with an ingredient-driven cocktail program that reads like a field guide to Indonesian plants. The cocktail journey at Modernhaus maps the island’s flavors into precise, approachable drinks. The Pohpohan is the best-known signature: juniper-mint liqueur meets champagne lactic and limeade cordial, finished with pohpohan leaves for a vegetal, effervescent finish. Beyond Pohpohan, the menu’s Roots category highlights fermented bases and aged local spirits such as sopi or arrack, often prepared on-site to add depth and umami. Fruits selections use local berries turned into in-house fruit wines and reductions; Leaves showcases fresh herbs and native greens, bruised tableside or steeped in clarified infusions; Flowers uses floral distillates and aromatic bitters for lighter, perfumed cocktails. Seasonal specialties rotate with produce availability, from rainy-season citrus and tamarind clarifications to dry-season berry ferments. Techniques include short macerations, lactic fermentation, and glassware that matches the mid-century aesthetic—low tumblers and coupe glasses presented with careful garnishes that tell you the story of each ingredient. The space at Modernhaus supports slow drinking and conversation. Refurbished sofas from The Union Group’s CASA concept sit alongside coffee tables and a large communal bar table where guests can watch preparation and ask about ingredients. Warm, low lighting and large windows that frame trees and the SCBD skyline create an intimate setting rather than a nightclub energy. Service is conversational and hands-on; bartenders explain fermentation notes and pairing suggestions, helping you navigate the menu’s botanical categories. Design details include warm wood tones, mixed seating, and sculptural mid-century lighting, all arranged to make a group feel at home while keeping the service efficient. For practical planning: the bar typically operates Monday to Saturday and prices average about $12 per cocktail, placing Modernhaus in a mid-range luxury bracket for Jakarta. Evenings after 8pm bring the most consistent crowd, so arrive early on weekends or request a spot at the communal island for the best interaction with bartenders. Dress comfortably smart; think tailored-casual that fits a living-room atmosphere. Reservations can be limited after the bar’s 2025 awards, so call ahead to the listed contact number or plan for a brief wait; online booking links are not consistently published. Modernhaus rewards curiosity: drink its Pohpohan, ask about the house makgeolli, and let the bartenders guide you through Roots, Fruits, Leaves and Flowers. Whether you seek a measured tasting or a relaxed night with friends, Modernhaus in Senopati offers conversational mixology, sustainable practice and a distinct Jakarta address worth visiting soon.