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Highlights

  • Period features.
  • Located in the heart of London
  • Excellent transport links

All Available Spaces(3)

Display Rent as

  • Space
  • Size
  • Term
  • Rate
  • Space Use
  • Fit-Out
  • Available
  • Ground, Ste Retail space
  • 3,452 sq ft
  • Negotiable
  • £50.70 /sq ft pa £4.22 /sq ft pcm £175,000 pa £14,583 pcm
  • Retail
  • Partial Fit-Out
  • Now

A rare opportunity to secure a ground floor retail unit within Radiant House, a striking Grade II listed building in the heart of Fitzrovia. The unit benefits from excellent natural light and strong street presence, with large arched windows providing an attractive frontage and creating an inviting retail environment. Inside, the space retains original timber flooring and generous ceiling heights, while a skylit rear section adds further brightness and flexibility to the layout. The character of the building, combined with the open and adaptable floorplate, makes the space particularly well suited to a premium retail concept, showroom or gallery, offering brands the chance to create a distinctive presence within one of the West End's most established and creative neighbourhoods.

  • Use Class: E
  • Located in-line with other retail
  • Open Floor Plan Layout
  • Partially Fit-Out as Standard Retail Unit
  • Space is in Excellent Condition
  • Good window frontage
  • 1st Floor
  • 1,201 sq ft
  • Negotiable
  • Upon Application Upon Application Upon Application Upon Application
  • Office
  • Partial Fit-Out
  • Now

Step into Radiant House, a building where heritage meets modernity in the heart of Fitzrovia. Perfectly positioned on Mortimer Street and Bywell Place, this iconic address offers more than just office space – it’s a foundation for ambition, innovation, and growth.

  • Use Class: E
  • Open Floor Plan Layout
  • Space is in Excellent Condition
  • Perimeter Trunking
  • Lots of natural light
  • Sleek, modern interiors
  • Partially Fit-Out as Standard Office
  • Fits 4 - 10 People
  • Can be combined with additional space(s) for up to 2,453 sq ft of adjacent space
  • Wooden Floors
  • Recently refurbished
  • 3rd Floor
  • 1,252 sq ft
  • Negotiable
  • £68.00 /sq ft pa £5.67 /sq ft pcm £85,136 pa £7,095 pcm
  • Office
  • Partial Fit-Out
  • Now

Step into Radiant House, a building where heritage meets modernity in the heart of Fitzrovia. Perfectly positioned on Mortimer Street and Bywell Place, this iconic address offers more than just office space – it’s a foundation for ambition, innovation, and growth.

  • Use Class: E
  • Open Floor Plan Layout
  • Space is in Excellent Condition
  • Perimeter Trunking
  • Lots of natural light
  • Sleek, modern interiors
  • Partially Fit-Out as Standard Office
  • Fits 4 - 11 People
  • Can be combined with additional space(s) for up to 2,453 sq ft of adjacent space
  • Wooden Floors
  • Recently refurbished
Space Size Term Rate Space Use Fit-Out Available
Ground, Ste Retail space 3,452 sq ft Negotiable £50.70 /sq ft pa £4.22 /sq ft pcm £175,000 pa £14,583 pcm Retail Partial Fit-Out Now
1st Floor 1,201 sq ft Negotiable Upon Application Upon Application Upon Application Upon Application Office Partial Fit-Out Now
3rd Floor 1,252 sq ft Negotiable £68.00 /sq ft pa £5.67 /sq ft pcm £85,136 pa £7,095 pcm Office Partial Fit-Out Now

Ground, Ste Retail space

Size
3,452 sq ft
Term
Negotiable
Rate
£50.70 /sq ft pa £4.22 /sq ft pcm £175,000 pa £14,583 pcm
Space Use
Retail
Fit-Out
Partial Fit-Out
Available
Now

1st Floor

Size
1,201 sq ft
Term
Negotiable
Rate
Upon Application Upon Application Upon Application Upon Application
Space Use
Office
Fit-Out
Partial Fit-Out
Available
Now

3rd Floor

Size
1,252 sq ft
Term
Negotiable
Rate
£68.00 /sq ft pa £5.67 /sq ft pcm £85,136 pa £7,095 pcm
Space Use
Office
Fit-Out
Partial Fit-Out
Available
Now

Ground, Ste Retail space

Size 3,452 sq ft
Term Negotiable
Rate £175,000 pa
Space Use Retail
Fit-Out Partial Fit-Out
Available Now

A rare opportunity to secure a ground floor retail unit within Radiant House, a striking Grade II listed building in the heart of Fitzrovia. The unit benefits from excellent natural light and strong street presence, with large arched windows providing an attractive frontage and creating an inviting retail environment. Inside, the space retains original timber flooring and generous ceiling heights, while a skylit rear section adds further brightness and flexibility to the layout. The character of the building, combined with the open and adaptable floorplate, makes the space particularly well suited to a premium retail concept, showroom or gallery, offering brands the chance to create a distinctive presence within one of the West End's most established and creative neighbourhoods.

  • Use Class: E
  • Partially Fit-Out as Standard Retail Unit
  • Located in-line with other retail
  • Space is in Excellent Condition
  • Open Floor Plan Layout
  • Good window frontage

1st Floor

Size 1,201 sq ft
Term Negotiable
Rate Upon Application
Space Use Office
Fit-Out Partial Fit-Out
Available Now

Step into Radiant House, a building where heritage meets modernity in the heart of Fitzrovia. Perfectly positioned on Mortimer Street and Bywell Place, this iconic address offers more than just office space – it’s a foundation for ambition, innovation, and growth.

  • Use Class: E
  • Partially Fit-Out as Standard Office
  • Open Floor Plan Layout
  • Fits 4 - 10 People
  • Space is in Excellent Condition
  • Can be combined with additional space(s) for up to 2,453 sq ft of adjacent space
  • Perimeter Trunking
  • Wooden Floors
  • Lots of natural light
  • Recently refurbished
  • Sleek, modern interiors

3rd Floor

Size 1,252 sq ft
Term Negotiable
Rate £85,136 pa
Space Use Office
Fit-Out Partial Fit-Out
Available Now

Step into Radiant House, a building where heritage meets modernity in the heart of Fitzrovia. Perfectly positioned on Mortimer Street and Bywell Place, this iconic address offers more than just office space – it’s a foundation for ambition, innovation, and growth.

  • Use Class: E
  • Partially Fit-Out as Standard Office
  • Open Floor Plan Layout
  • Fits 4 - 11 People
  • Space is in Excellent Condition
  • Can be combined with additional space(s) for up to 2,453 sq ft of adjacent space
  • Perimeter Trunking
  • Wooden Floors
  • Lots of natural light
  • Recently refurbished
  • Sleek, modern interiors

Property Overview

Located in London’s West End, Radiant House sits at the intersection of connectivity and creativity. With Oxford Circus and Tottenham Court Road stations just minutes away, and surrounded by the bustling vibrancy of W1, this is where your business thrives.

  • 24 Hour Access
  • Security System
  • Skylights
  • Accent Lighting
  • Air Conditioning
  • Balcony

Property Facts

Property Type
Office
Year Built
1913
LoopNet Rating
4 Star
Number of Floors
6
Property Size
13,495 sq ft
Costar Property Class
B
Typical Floor Size
2,249 sq ft

Select Tenants

  • Floor
  • Tenant Name
  • GRND
  • Ab-Anbar
  • Listing ID: 38808282

  • Date on Market: 24/03/2026

  • Last Updated:

  • Address: 36-38 Mortimer St, London W1W 7RF

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