Share This Listing

Message

961 characters remaining

Hmm, there seems to have been an error sending your message. Please try again.

Your email has been sent.

Still interested?

Contact the brokers for more information about this property

Highlights

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

All Available Space(1)

Display Rental Rate as

  • Space
  • Size
  • Term
  • Rental Rate
  • Space Use
  • Build-Out
  • Available
  • 4th Floor, 5th Floor
  • 1,545 SF
  • Negotiable
  • $167.94 CAD/SF/YR $14.00 CAD/SF/MO $259,472 CAD/YR $21,623 CAD/MO
  • Office
  • Partial Build-Out
  • 30 Days

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

4th Floor - 890 SF
5th Floor - 655 SF

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
  • Elevator Access
  • New contemporary lighting
  • Passenger lift
  • Partially Built-Out as Standard Office
  • Fits 3 - 8 People
  • Energy Performance Rating - B
  • Manned reception
  • Fits 2 - 6 People
Space Size Term Rental Rate Space Use Build-Out Available
4th Floor, 5th Floor 1,545 SF Negotiable $167.94 CAD/SF/YR $14.00 CAD/SF/MO $259,472 CAD/YR $21,623 CAD/MO Office Partial Build-Out 30 Days

4th Floor, 5th Floor

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

Size
4th Floor - 890 SF
5th Floor - 655 SF
Term
Negotiable
Rental Rate
$167.94 CAD/SF/YR $14.00 CAD/SF/MO $259,472 CAD/YR $21,623 CAD/MO
Space Use
Office
Build-Out
Partial Build-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 SF (Contiguous Area):
Size
4th Floor - 890 SF
5th Floor - 655 SF
Term Negotiable
Rental Rate $167.94 CAD/SF/YR
Space Use Office
Build-Out Partial Build-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 Built-Out as Standard Office
  • Mostly Open Floor Plan Layout
  • Fits 3 - 8 People
  • Elevator 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

Building Type
Office
Year Built
1734
Building Height
7 Stories
Building Size
7,601 SF
Building Class
B
Typical Floor Size
1,053 SF

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: 2025-09-24

  • Last Updated:

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

Link copied
Your LoopNet account has been created!

Please Share Your Feedback

We welcome any feedback on how we can improve LoopNet to better serve your needs.
X
{{ getErrorText(feedbackForm.starRating, "rating") }}
255 character limit ({{ remainingChars() }} charactercharacters remainingover)
{{ getErrorText(feedbackForm.msg, "rating") }}
{{ getErrorText(feedbackForm.fname, "first name") }}
{{ getErrorText(feedbackForm.lname, "last name") }}
{{ getErrorText(feedbackForm.phone, "phone number") }}
{{ getErrorText(feedbackForm.phonex, "phone extension") }}
{{ getErrorText(feedbackForm.email, "email address") }}