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Investment Highlights

  • Rare opportunity to acquire a prime self-contained commercial building in the heart of Marylebone Village
  • Potential to increase the existing massing, subject to planning permission and superior landlord’s consent
  • Large and attractive terraces at lower ground and first floor levels.

Executive Summary

Agnes Keyser House comprises an attractive and distinctive post-war building featuring a striking façade incorporating green Westmoreland slate together with six rows of curved bay windows across the first to fourth floors, providing excellent levels of natural light to the front elevation. The property benefits from a substantial terrace at lower ground floor level together with an additional terrace at first floor level. Subject to the necessary consents, the building may offer potential to increase the existing massing through infilling of the lower ground floor terrace and the possible addition of further upper floor accommodation. Internally, the property is currently configured in a predominantly cellular layout, originally designed as nurses’ accommodation, incorporating meeting rooms, boardrooms and a commercial kitchen facility. The upper floors remain largely cellular in configuration, however the building is understood to be of concrete frame construction and is considered capable of supporting a variety of alternative layouts, including more open plan accommodation, subject to the necessary consents. The property is served by a passenger lift providing access to all floors. The flexibility and adaptability of the accommodation would suit a broad range of occupiers including medical, healthcare, educational, hostel, conference or office users, subject to the necessary consents.

Attachments

Brochure

Property Facts

Sale Type Investment
Tenure Long Leasehold
Property Type Health Care
Total Plot Size 2.23 ac
Property Size 28,610 sq ft
No. Beds 1
No. Floors 5
Year Built 2019
  • Listing ID: 40879069

  • Date on Market: 11/06/2026

  • Last Updated:

  • Address: 55-58 Beaumont St, London W1G 6DP

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