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Highlights

  • Grade II listed Mayfair Building
  • Period detailing & characterful features
  • Recently refurbished
  • Close proximity to Hyde Park

All Available Space(1)

Display Rent as

  • Space
  • Size
  • Term
  • Rate
  • Space Use
  • Fit-Out
  • Available
  • 4th Floor, 5th Floor
  • 1,545 sq ft
  • Negotiable
  • £90.00 /sq ft pa £7.50 /sq ft pcm £139,050 pa £11,588 pcm
  • Office
  • Partial Fit-Out
  • 30 Days

The 2 spaces in this building must be leased together, for a total size of 1,545 sq ft (Contiguous Area):

4th Floor - 890 sq ft
5th Floor - 655 sq ft

Mayfair Penthouse Duplex to Let 4th and 5th Floors - 1,545 sq ft Situated in the heart of Mayfair, 25 Upper Brook Street is a distinguished Grade II listed office building offering boutique workspace with period charm. The available 4th and 5th floor suites have recently undergone a comprehensive redecoration, blending contemporary finishes with the building’s characterful architectural features.

  • Use Class: E
  • Mostly Open Floor Plan Layout
  • Lift Access
  • New contemporary lighting
  • Passenger lift
  • Partially Fit-Out as Standard Office
  • Fits 3 - 8 People
  • Energy Performance Rating - B
  • Manned reception
  • Fits 2 - 6 People
Space Size Term Rate Space Use Fit-Out Available
4th Floor, 5th Floor 1,545 sq ft Negotiable £90.00 /sq ft pa £7.50 /sq ft pcm £139,050 pa £11,588 pcm Office Partial Fit-Out 30 Days

4th Floor, 5th Floor

The 2 spaces in this building must be leased together, for a total size of 1,545 sq ft (Contiguous Area):

Size
4th Floor - 890 sq ft
5th Floor - 655 sq ft
Term
Negotiable
Rate
£90.00 /sq ft pa £7.50 /sq ft pcm £139,050 pa £11,588 pcm
Space Use
Office
Fit-Out
Partial Fit-Out
Available
30 Days

4th Floor, 5th Floor

The 2 spaces in this building must be leased together, for a total size of 1,545 sq ft (Contiguous Area):
Size
4th Floor - 890 sq ft
5th Floor - 655 sq ft
Term Negotiable
Rate £90.00 /sq ft pa
Space Use Office
Fit-Out Partial Fit-Out
Available 30 Days

Mayfair Penthouse Duplex to Let 4th and 5th Floors - 1,545 sq ft Situated in the heart of Mayfair, 25 Upper Brook Street is a distinguished Grade II listed office building offering boutique workspace with period charm. The available 4th and 5th floor suites have recently undergone a comprehensive redecoration, blending contemporary finishes with the building’s characterful architectural features.

  • Use Class: E
  • Partially Fit-Out as Standard Office
  • Mostly Open Floor Plan Layout
  • Fits 3 - 8 People
  • Lift Access
  • Energy Performance Rating - B
  • New contemporary lighting
  • Manned reception
  • Passenger lift
  • Fits 2 - 6 People

Property Overview

Upper Brook Street is a prestigious address in central Mayfair, positioned just off Park Lane and a short walk from both Marble Arch and Bond Street stations. The area benefits from world-class amenities, luxury hotels, fine dining, and excellent transport connectivity.

  • 24 Hour Access
  • Security System
  • Storage Space
  • Air Conditioning
  • Raised Floor System

Property Facts

Property Type
Office
Year Built
1734
Number of Floors
7
Property Size
7,601 sq ft
Costar Property Class
B
Typical Floor Size
1,053 sq ft

Select Tenants

  • Floor
  • Tenant Name
  • Industry
  • 1st
  • Camellia Plc
  • Agriculture, Forestry, Fishing and Hunting
  • 2nd
  • Gateway Property Management
  • -
  • 1st
  • IQ EQ GROUP SUPPORT (UK) LIMITED
  • Professional, Scientific, and Technical Services
  • 5th
  • Ombu Group
  • Professional, Scientific, and Technical Services
  • 1st
  • P G S Private Office
  • -

Attachments

Brochure
  • Listing ID: 37801306

  • Date on Market: 24/09/2025

  • Last Updated:

  • Address: 25 Upper Brook St, London W1K 7QD

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