Summary - Flat 3, 46 Upper Grosvenor Street W1K 2NW
3 bed 3 bath Duplex
Spacious Mayfair duplex blending period charm with modern living and concierge services..
Extremely large 1,803 sq ft duplex in central Mayfair
Open-plan reception and dining with high ceilings and sash windows
Three bedrooms; two bedrooms with en suite bathrooms
Access to communal patio garden; lift and 24-hour concierge
Leasehold with ~99 years remaining; ground rent £1,700 pa (very expensive)
Council tax level described as very expensive
Solid brick walls assumed without insulation; secondary glazing present
EPC rating C; area records very high crime levels
Set over two generous floors in the heart of Mayfair, this 1,803 sq ft duplex combines striking period proportions with contemporary fittings. The open-plan reception and dining room, high ceilings and large sash windows create a bright entertaining space, complemented by a fully equipped modern kitchen and access to a shared patio garden for outdoor respite.
The upper floor houses three bedrooms, two with en suite bathrooms, and built-in wardrobes; there is an additional bathroom and a guest cloakroom. Practical building amenities include lift access, a 24-hour concierge and a community heating scheme. The apartment currently achieves an EPC rating of C and benefits from secondary glazing.
Important practical points: the property is leasehold with approximately 99 years remaining and a high ground rent of £1,700 pa; council tax is described as very expensive. The building is of solid brick construction with no assumed wall insulation. The location offers excellent transport links and local amenities but sits in an area with very high recorded crime levels—buyers should consider this when assessing security and insurance costs.
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