At Mercure London Heathrow Hotel, guests have access to a gym, free WiFi in public areas, and a conference center. If you drive, self parking is GBP 16 per day, and there's also limo/town car service. Multilingual staff at the 24-hour front desk can assist with securing valuables, concierge services, and dry cleaning/laundry. Additional amenities include a business center, coffee/tea in a common area, and express check-out.