PARK VIEW SUITE DELUXE ROOM GUEST BEDROOMS Cultivate enriching experiences at JW Marriott Grosvenor House, with refined British elegance and intuitive luxury in the heart of Mayfair. With an inspired décor based on accents of colour mirroring Royal Hyde Park and the complimentary well-being benefits on offer. Guest accommodations, including two Royal Suites, with plush pillow top beds and marble bathrooms continue to pay homage to our fascinating past, whilst acknowledging immersive and tailored present day relevance.