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£2,194,000 below fair value

W1J 8NS

Huge Lateral Apartment Hay Hill, Mayfair, London W1J

6 Beds
5 Baths
430 m² Floor area
Type Flat
Listed 15 May 2026
Asking price £12,500,000
Price per m² £29,070 / m²

An enormous, 4,624 sqft / 429 sqm, first floor lateral apartment, laid out with upto Six bedrooms and Two or Three reception rooms.

Berkeley House is located on prestigious Hay Hill, just south of Berkeley Square and in the heart of Mayfair. It is located approximately in the heart of Mayfair's private members clubs, midway between The Arts Club and Annabel's, and within 100m of Maison Estelle.

The property requires modernisation throughout, allowing the new owner or developer to personalise the space and create a standout luxury residence that meets modern standards and tastes, sparking your imagination.

Entrance Hall : Large Reception Hall : 2 Reception Rooms : Upto 6 Bedrooms : 5 Bath/Shower Rooms : Guest WC : Kitchen : Porter : Lift : EPC Rating C : Westminster Council Tax Band H

Napier Watt Says - One of the largest, lateral apartments available in Mayfair.

Leasehold : 25 March 2165 ie 140 years
Westminster Council Tax Band H - EPC C
Service Charge - £24,800 per half year inc

How the asking price has moved

May 2026
£12,500,000
Listed at original asking price

Huge Lateral Apartment Hay Hill, Mayfair, London W1J

Our fair price estimate
£14,694,000
Nearby sold prices per m² × UK HPI × 430 m² floor area (EPC-declared)
Asking price £12,500,000
Fair price £14,694,000
Difference ↓ £2,194,000 under
Price per m² £29,070 / m²
Contact landlord
About this valuation

Fair price calculated from HM Land Registry sold prices in the same postcode area, adjusted by the UK House Price Index, and multiplied by the EPC-declared floor area of 430 m². Updated daily.