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£483,000 above fair value

W1K 7DE

Hereford House, 66 North Row, Mayfair, London, W1K

4 Beds
3 Baths
297 m² Floor area
Type Flat
Listed 15 May 2026
Asking price £6,750,000
Price per m² £22,727 / m²

Positioned on the seventh and eighth floors of an iconic 1930s portered residence, just moments from Hyde Park, this exceptional 3,200 sq.ft. lateral penthouse offers scale, light and privacy in one of London’s most prestigious postcodes.

Arranged across two floors, the principal level opens into a generous entrance hall leading to a fully equipped dine in kitchen and an elegant dining room with period fireplace. Three substantial double bedrooms each benefit from large en suite bathrooms, including a refined principal suite with its own private south facing terrace.

A 220 sq ft wellness suite with gym, sauna and steam room offers flexibility and could be reconfigured as a fourth bedroom with en suite if required.

Upstairs, a spectacular 700 sq ft reception room sits beneath a striking skylight, flooding the interior staircase and upper level with natural light. Dual aspect glass doors connect seamlessly to the roof terrace, creating a dramatic indoor/outdoor flow rarely found in central Mayfair.


Positioned on the seventh and eighth floors of an iconic 1930s portered residence, just moments from Hyde Park, this exceptional 3,200 sq ft lateral penthouse offers scale, light and privacy in one of London’s most prestigious
postcodes.

The defining feature is the remarkable 1,950 sq ft south-west facing roof terrace, a truly rare expanse overlooking the treetops of Hyde Park and stretching across London’s skyline. Designed for entertaining at scale or for private sunset evenings above the city, it delivers an outlook few Mayfair homes can rival.

Hereford House benefits from two passenger lifts and a 24 hour porter, and is superbly positioned moments from Bond Street, Marble Arch and the boutiques, galleries and fine dining of Mayfair, Marylebone and Soho.


How the asking price has moved

May 2026
£6,750,000
Listed at original asking price

Hereford House, 66 North Row, Mayfair, London, W1K

Our fair price estimate
£6,267,000
Nearby sold prices per m² × UK HPI × 297 m² floor area (EPC-declared)
Asking price £6,750,000
Fair price £6,267,000
Difference ↑ £483,000 over
Price per m² £22,727 / 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 297 m². Updated daily.