Mayfair & St James's Estate

25 Berkeley Square

Mayfair & St James's, W1
25 Berkeley Square 25 Berkeley Square
25 Berkeley Square

A Grade II listed building where heritage meets modernity

Occupying the prestigious northeast corner of Berkeley Square, 25 Berkeley Square is a classical Grade II listed building that seamlessly blends historical elegance with modern functionality. Dating from 1906, the building retains its original Portland stone façade while incorporating contemporary design elements, including a newly constructed seventh to ninth floor. With a BREEAM Excellent rating, the property sets a benchmark for sustainable design in a heritage setting.

Estate

Mayfair & St James's, W1

Type

OfficeRetail

Size

55,747 sq-ft

25 Berkeley Square external detail
25 Berkeley Square
25 Berkeley Square reception
25 Berkeley Square stairs
25 Berkeley Square landing
25 Berkeley Square stairwell
25 Berkeley Square external detail
25 Berkeley Square
25 Berkeley Square reception
25 Berkeley Square stairs
25 Berkeley Square landing
25 Berkeley Square stairwell

Comprising 55,747 sq ft of premium office accommodation, the building was sensitively remodelled and extended in 2021 at a project cost of £40.5 million. Its six original upper storeys have been carefully preserved and modernised, while the new floors provide additional space that complements the building’s historical character.

Occupiers include Mubadala, the Abu Dhabi sovereign wealth fund, Deutsche Finance International, Valesco Group, and Raine Advisors. On the ground floor, the retail space is home to prestigious tenants such as the David Aaron Gallery and Savoir Beds.

 

Sustainability & Wellbeing

  • 32 covered cycle spaces.
  • Low-energy LED lighting.
  • VRF heat pump system with 500kVA generator.

 

Standards

  • Awarded for external lighting by the ‘[d]arc Awards’ in 2020, celebrating the best in lighting design.
  • NABERS 4.5 rating.
  • BREEAM ‘Excellent’ rating.
25 Berkeley Square reception
25 Berkeley Square reception
25 Berkeley Square internal detail
25 Berkeley Square stairwell
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Baker Street

As at 31st March 2025, the Baker Street Estate consists of three buildings totalling 177,560 sq ft NIA, primarily comprising upper-floor office spaces, ground-floor retail units and 1 residential townhouse.

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Bloomsbury

The Bloomsbury estate comprises two buildings totalling 207,453 sq ft, including a recently completed office development and a landmark shopping centre.

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Euston

The Euston estate comprises a landmark building and a prominent new development, totalling 556,144 sq ft NIA.

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Mayfair & St James's

This estate includes seven buildings with a total area of 506,039 sq ft. Highlights include the landmark redevelopment of the former Fenwick department store on New Bond Street. As of 31st March 2025, this estate represents 39.67% of Lazari’s total portfolio value.

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North London

The North London Estate is a diverse collection of 62 buildings, totaling 375,000 sq ft of retail, leisure, and office space, alongside 65 residential apartments. Spanning the London Boroughs of Camden, Haringey, Ealing, and Enfield, the estate plays a key role in Lazari’s portfolio, offering a mix of commercial and residential properties in well-connected locations. The 175,441sq ft of retail space is spread across 64 individual shop units, providing a varied shopping and dining experience. Office accommodation totals 42,923 sq ft, supporting a range of businesses with modern, adaptable workspaces. The 156,434 sq ft of leisure space includes a 90-bedroom Premier Inn and three health clubs, ensuring a balanced offering of convenience, wellness, and lifestyle amenities.

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Oxford Street

The Oxford Street estate spans 158,159 sq ft of prime office and retail space across six buildings, occupying an entire block at 90-114 Oxford Street, between Newman Street and Berners Street. Located opposite the Elizabeth line Tottenham Court Road station entrance, it includes 38,291 sq ft of retail across ten shop and restaurant units, 109,491 sq ft of office space, and nine modern residential units accessed from Berners Street. A block date has been arranged for 2031, with a masterplan being developed for the site’s long-term redevelopment.

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Tottenham Court Road

The Tottenham Court Road estate comprises eight buildings totalling 452,500 sq ft of commercial space, primarily office and retail accommodation, along with two health clubs.

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Wigmore Street

The Wigmore Street Estate comprises 371,953 sq ft across four properties, primarily office spaces, alongside a best-in-class medical facility and 15 residential units. The site includes CBRE’s EMEA head office at Henrietta House, a Grade II listed building at 27-37 Wigmore Street; Welbeck Partners’ medical facility at One Welbeck Street; and a Fora serviced office with retail frontage on Wigmore Street and Wimpole Street.

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Our intention was to undertake a sympathetic refurbishment and extension of 25 Berkeley Square. Externally and internally, alterations have only been made to the non-historic elements and all historic elements of the 1906 Verity building have been retained.”
Forme UK

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