Italian glamour and luxury at its best. Just steps from Harrods and Harvey Nichols, The Bulgari London offers top-in-class Italian design alongside a host of indulgent experiences. There’s one of London’s biggest hotel swimming pools, at 25 meters long, and a vitality pool (like a hot tub) with full-body massage jets. Treatment to try: Kloris Stress Melting Ritual. This treatment uses organic CBD balm, complemented with aromatherapy and a hot stone massage to calm the body and mind. £270

New, five-star urban retreat with a focus on wellness. One of the best hotels in the world finally has a spa to match. It's inspired by designer André Fu’s visits to traditional Japanese gardens, complete with kimono-inspired robes in soft pinks and peaches and a Damien Hirst cherry blossom artwork. It’s also private. Each treatment room has an en-suite bathroom with heated toilets. Treatment to try: Bamboo & Silk Ritual, a head-to-toe massage and facial experience. £295

Four fantastic floors of facilities at ESPA’s flagship spa. You could truly spend all day in the massive facility, which has 17 treatment rooms, an ice bar for the brave and heated loungers in the changing rooms. Treatment to try: ESPA Vital Body Ritual. A two-hour treatment that starts with a lymphatic compression massage in the Body-Ballancer machine (like a spacesuit meant to drain waste from your body, the therapist will zip you in) and then a fast, invigorating Swedish massage £385

Knightsbridge icon with impeccable service. From the second guests are welcomed with a hot towel, warm tea and slippers, they’re in a haven of serenity. The service and staff are second to none, with a focus on holistic East-meets-West wellness. Treatment to try: English Rose. This includes a rose-infused poultice massage , a scalp massage and a facial with Oskia products, leaving guests relaxed and smelling incredible. £315

Art-Deco Oasis near Oxford Street. Feel like a golden-age film star at this intimate space just minutes from Selfridges. It’s smaller than some of the other spaces on our list, but the privacy in white-marble clad surroundings is a particular highlight. Treatment to try: The Beaumont Hammam Experience. A hammam treatment is followed by a full body massage with warmed shea butter and a scalp or facial massage. £190

Wellness haven in the middle of of bustling Leicester Square. The heart of London’s theater and entertainment district is the opposite of calm. That’s why this urban retreat in Leicester Square is so special. From the second you step off the elevator onto the spa floor, it’s like you’re on a popular tropical vacation instead of in the middle of London. Treatment to try: Illuminating C Facial by Omorovicza, which uses vitamin C to leave your skin feeling glowing. £145

A pocket of calm in the City of London. The former bank, now a hotel and members club, has a seriously good spa that’s built around a blue-tiled, 20-meter pool. Styling and looking your best is also a highlight, The Ned also offers a barbershop with haircuts, express facials and traditional wet shaves. Treatment to try: Fire & Ice Cryo: A treatment that combines cryotherapy that rapidly chills the skin’s surface while producing instantaneous tightness and stimulating collagen production. £200