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 agent for more information about this property

25 Upper Brook St 655 - 2,555 sq ft of Office Space Available in London W1K 7QD

Save this listing!

Favourite this listing to get notified of price updates, new media and more

HIGHLIGHTS

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

ALL AVAILABLE SPACES(3)

Display Rent as

  • SPACE
  • SIZE
  • TERM
  • RATE
  • USE
  • CONDITION
  • AVAILABLE
  • 3rd Floor
  • 1,010 sq ft
  • Negotiable
  • £97.50 /sq ft pa £8.13 /sq ft pcm £98,475 pa £8,206 pcm
  • Office
  • Partial Fit-Out
  • 30 Days

The third floor comprises four interconnecting rooms - two spacious rooms and two smaller, adaptable spaces ideal for private offices or meeting rooms. One of the larger rooms includes a partitioned area that has historically served as a boardroom.

  • Use Class: E
  • Mostly Open Floor Plan Layout
  • Lift Access
  • New contemporary lighting
  • Passenger lift
  • Partially Fit-Out as Standard Office
  • Fits 3 - 9 People
  • Energy Performance Rating - B
  • Manned reception
  • 4th Floor
  • 890 sq ft
  • Negotiable
  • £90.00 /sq ft pa £7.50 /sq ft pcm £80,100 pa £6,675 pcm
  • Office
  • Partial Fit-Out
  • 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
  • Mostly Open Floor Plan Layout
  • Can be combined with additional space(s) for up to 1,545 sq ft of adjacent space
  • Energy Performance Rating - B
  • Manned reception
  • Partially Fit-Out as Standard Office
  • Fits 3 - 8 People
  • Lift Access
  • New contemporary lighting
  • Passenger lift
  • 5th Floor
  • 655 sq ft
  • Negotiable
  • £90.00 /sq ft pa £7.50 /sq ft pcm £58,950 pa £4,913 pcm
  • Office
  • Partial Fit-Out
  • 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
  • Mostly Open Floor Plan Layout
  • Can be combined with additional space(s) for up to 1,545 sq ft of adjacent space
  • Energy Performance Rating - B
  • Manned reception
  • Partially Fit-Out as Standard Office
  • Fits 2 - 6 People
  • Lift Access
  • New contemporary lighting
  • Passenger lift
Space Size Term Rate Space Use Condition Available
3rd Floor 1,010 sq ft Negotiable £97.50 /sq ft pa £8.13 /sq ft pcm £98,475 pa £8,206 pcm Office Partial Fit-Out 30 Days
4th Floor 890 sq ft Negotiable £90.00 /sq ft pa £7.50 /sq ft pcm £80,100 pa £6,675 pcm Office Partial Fit-Out 30 Days
5th Floor 655 sq ft Negotiable £90.00 /sq ft pa £7.50 /sq ft pcm £58,950 pa £4,913 pcm Office Partial Fit-Out 30 Days

3rd Floor

Size
1,010 sq ft
Term
Negotiable
Rate
£97.50 /sq ft pa £8.13 /sq ft pcm £98,475 pa £8,206 pcm
Space Use
Office
Condition
Partial Fit-Out
Available
30 Days

4th Floor

Size
890 sq ft
Term
Negotiable
Rate
£90.00 /sq ft pa £7.50 /sq ft pcm £80,100 pa £6,675 pcm
Space Use
Office
Condition
Partial Fit-Out
Available
30 Days

5th Floor

Size
655 sq ft
Term
Negotiable
Rate
£90.00 /sq ft pa £7.50 /sq ft pcm £58,950 pa £4,913 pcm
Space Use
Office
Condition
Partial Fit-Out
Available
30 Days

3rd Floor

Size 1,010 sq ft
Term Negotiable
Rate £97.50 /sq ft pa
Space Use Office
Condition Partial Fit-Out
Available 30 Days

The third floor comprises four interconnecting rooms - two spacious rooms and two smaller, adaptable spaces ideal for private offices or meeting rooms. One of the larger rooms includes a partitioned area that has historically served as a boardroom.

  • Use Class: E
  • Partially Fit-Out as Standard Office
  • Mostly Open Floor Plan Layout
  • Fits 3 - 9 People
  • Lift Access
  • Energy Performance Rating - B
  • New contemporary lighting
  • Manned reception
  • Passenger lift

4th Floor

Size 890 sq ft
Term Negotiable
Rate £90.00 /sq ft pa
Space Use Office
Condition 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
  • Can be combined with additional space(s) for up to 1,545 sq ft of adjacent space
  • Lift Access
  • Energy Performance Rating - B
  • New contemporary lighting
  • Manned reception
  • Passenger lift

5th Floor

Size 655 sq ft
Term Negotiable
Rate £90.00 /sq ft pa
Space Use Office
Condition 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 2 - 6 People
  • Can be combined with additional space(s) for up to 1,545 sq ft of adjacent space
  • Lift Access
  • Energy Performance Rating - B
  • New contemporary lighting
  • Manned reception
  • Passenger lift

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
  • Raised Floor
  • Security System
  • Storage Space
  • Air Conditioning

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: 25/11/2025

  • 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") }}