Westminster · Raffles

Raffles London at The OWO

Name: Raffles London at The OWO
Address: London, Westminster, United Kingdom
Rating: 4.75

★★★★★ 4.8 guest rating 57 Whitehall, Westminster Borough, London, SW1A 2BX, United Kingdom

Raffles London at The OWO transforms the 1906 Old War Office into a refined urban retreat. Guests enjoy a Guerlain spa with a 20m subterranean pool and the drama of a restored Edwardian marble staircase—discreet grandeur for discerning travellers.

Historical building / heritage architecture Located in the Grade II* Edwardian Baroque Old War Office (The OWO) — meticulously restored state rooms and grand offices with original architectural features and a six-year restoration by craftsmen.
Prime location (landmark adjacent, riverfront, iconic neighbourhood) Central Whitehall location adjacent to Horse Guards, a short walk to Buckingham Palace, St James’s Park, Houses of Parliament, Westminster Abbey and major transport hubs.
Panoramic or landmark views Public venues and rooftop restaurant/terrace offer panoramic views of The Mall, Horse Guards Parade, Buckingham Palace, Trafalgar Square and wider central London vistas.
Art or curated design collection Interiors and guestroom aesthetics are a contemporary reinterpretation of Edwardian style by Thierry Despont, featuring custom carpets, fabrics, wallcoverings and bespoke furniture referencing the building's history.
Sustainability / eco-certified operations Published hotel sustainability targets and plan (energy and water reduction goals, food‑waste reductions and local environmental partnerships as part of Raffles London operations).
Exclusive access (e.g. members-only club) Pillar Wellbeing offers a limited-membership wellbeing club with exclusive access to gym, classes, pool, hydrothermal facilities and member benefits; The Spy Bar and certain tasting experiences operate by invitation/experience bookings.

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Rooms and suites

Westminster Suite

Sleeps 2 1 extra-large double bed

Private suite · 689 feet² · City view · Air conditioning · Ensuite bathroom · Flat-screen TV
Superior Twin Room

Sleeps 2 2 single beds, Free cot available on request

Room · 398 feet² · City view · Air conditioning · Ensuite bathroom · Flat-screen TV
Executive Twin Room

Sleeps 2 2 single beds, Free cot available on request

Room · 484 feet² · City view · Air conditioning · Ensuite bathroom · Flat-screen TV
Junior Suite

Sleeps 2 1 extra-large double bed

Private suite · 646 feet² · City view · Air conditioning · Ensuite bathroom · Flat-screen TV
Superior Double Room

Sleeps 2 1 double bed, Free cot available on request

Room · 366 feet² · City view · Air conditioning · Ensuite bathroom · Flat-screen TV
Deluxe Double Room

Sleeps 2 1 extra-large double bed, Free cot available on request

Room · 441 feet² · City view · Air conditioning · Ensuite bathroom · Flat-screen TV
Classic Double Room

Sleeps 2 1 double bed, Free cot available on request

Room · 334 feet² · City view · Air conditioning · Ensuite bathroom · Flat-screen TV
Executive Double Room

Sleeps 2 1 extra-large double bed, Free cot available on request

Room · 484 feet² · City view · Air conditioning · Ensuite bathroom · Flat-screen TV
Junior Twin Suite

Sleeps 2 2 large double beds

Private suite · 570 feet² · City view · Air conditioning · Ensuite bathroom · Flat-screen TV
Ministerial Suite

Sleeps 2 1 extra-large double bed

Private suite · 893 feet² · City view · Air conditioning · Ensuite bathroom · Flat-screen TV
Corner Suite

Sleeps 2 1 extra-large double bed

Private suite · 1033 feet² · City view · Air conditioning · Ensuite bathroom · Flat-screen TV
Deluxe Twin Room

Sleeps 2 2 single beds, Free cot available on request

Room · 441 feet² · City view · Air conditioning · Ensuite bathroom · Flat-screen TV

Amenities

Wellness

Indoor pool 20-metre indoor swimming pool within the Guerlain Spa complex, with supervised family swim times and hotel-guest access hours.
Hot Tub / Spa Guerlain Spa spanning ~27,000 sq ft across four floors offering hydrothermal facilities including a vitality pool, VIP spa suites and a Guerlain Atelier for express beauty treatments.
Sauna Dedicated sauna facilities as part of the Guerlain Spa and Pillar Wellbeing hydrothermal offering.
Steam Room Steam room and experience showers included in the spa's hydrothermal suite of facilities.
Fitness centre State-of-the-art gym and movement studio (Technogym equipment) operated with Pillar Wellbeing, open 24 hours for hotel guests and offering movement classes and a juice bar.
Personal trainer service One-to-one coaching and personalised training and recovery services delivered by Pillar Wellbeing performance coaches and expert practitioners.
Wellness treatments (massage, facial, hydrotherapy, etc.) Guerlain Spa treatment programmes including bespoke face, body and holistic rituals, nine treatment rooms plus VIP treatment suites with private showers, soaking tubs and changing rooms.

Dining

Fine dining restaurant(s) Mauro Colagreco flagship restaurant at Raffles London (three-Michelin-starred chef) delivering a hyper-seasonal fine-dining experience curated by Mauro Colagreco.
Casual restaurant / café Saison by Mauro Colagreco — relaxed Mediterranean all‑day dining in the restored atrium; Pillar Kitchen — nutritionist-backed juices and seasonal plates from the Pillar Wellbeing team.
Bar / lounge The Guards Bar & Lounge — principal bar overlooking Horse Guards with terrace seating; The Spy Bar — atmospheric, subterranean cocktail bar (access via tasting experiences / limited opening times).
Rooftop bar / terrace dining Kioku by Endo — rooftop restaurant/terrace at The OWO offering panoramic 360° views across St James’s Park, The Mall, Horse Guards and Buckingham Palace (terrace/seasonal service).
Afternoon tea service Secrets & Spies Afternoon Tea served in The Drawing Room (historic-library-inspired offering daily, 12:00–17:30), themed around the Old War Office's spy heritage.
Private dining room Mauro's Table — immersive private chef's table experience (bespoke tasting/private dining for up to 20 guests) and multiple private dining options across the hotel's venues.

Services

Butler service Raffles London Butlers — dedicated Raffles butler service offering highly personalised, discreet guest assistance and curated experiences; butler service is highlighted across offers and signature experiences.
Meeting / event facilities Whitehall Ballroom (≈678 sq m, up to 600 guests) entered via the Grand Staircase, with extensive pre-function space and six flexible meeting rooms (audio-visual rigging and vehicle access via car lifts).
Valet parking Valet parking service available (noted in hotel membership and guest offerings) and referenced in member benefits and promotional packages.
Pet services / pet-friendly amenities Dog-friendly programming referenced in hotel offers (example: 'At Home with Raffles' package notes 'Dogs welcome').