Yes, Westminster Cathedral (the Roman Catholic mother church in London, distinct from Westminster Abbey) is free to visit for prayer and general sightseeing in 2026. This stunning example of Neo-Byzantine architecture, located near Victoria Station, does not charge an admission fee to enter the main nave. However, there are small charges for specific "extra" experiences; for instance, taking the lift to the St. Edward's Tower (Campanile) for a panoramic view of London typically costs around £6.00, and there is a small fee to visit the Treasures of the Cathedral exhibition. In 2026, the cathedral encourages visitors to leave a donation to help with the upkeep of its famous mosaics and marble work. It is important to remember that it is an active place of worship; while you are free to walk around, you must remain silent during the many daily Masses. Unlike the nearby Westminster Abbey, which has high entry prices for tourists, the Cathedral remains one of London's most accessible architectural gems for those on a budget in 2026.