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Properties to Rent in 21 St James's Square - London SW1Y

A guide to 21 St James's Square in St James's, for tenants, landlords and sellers.

Properties to Rent in 21 St James's Square - London SW1Y Residential Property Services in London

Updated October 2026 · Fraser Bond

St James's · SW1Y

Renting, letting, managing or selling a home at 21 St James's Square

St James'sneighbourhood
SW1Ypostcode
Lettings& management
Sales& valuations
In short: 21 St James's Square, London SW1Y, is part of St James's: elegant streets of clubs, galleries and boutique apartments. Completed in 2018, the building has been redeveloped and refurbished to the highest of standards, blending the design of the Grade I listed façade and modern architecture. James's Square comprises two interconnected buildings: a historic 1774 section designed by architect Robert Adam, and a 1930s extension with a 1990s addition (originally designed in the 1930s by Mewes & Davies, who also designed The Ritz). The Robert Adam-designed building is a Grade I listed. Fraser Bond helps tenants find homes in and around 21 St James's Square, and helps owners let, manage and sell apartments in the building and across St James's.

Living at 21 St James's Square

Location

St James's, London SW1Y.

Transport

Piccadilly Circus, Green Park and Charing Cross.

On the doorstep

Jermyn Street, St James's Square and St James's Park.

Who rents here

Popular with executives and international tenants.

  • Register for early alerts on homes at 21 St James's Square and nearby buildings
  • Fast viewings in person or by video
  • Fair referencing, protected deposits and clear written terms under the 2026 rules
  • A responsive team for repairs if we manage the property
Landlord income calculator for 21 St James's Square
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Enter your own figures. Ask us for a free rental valuation for an accurate rent estimate.

How Fraser Bond can help

Lettings

Marketing, viewings, referencing and tenancy set-up.

Full management

Rent collection, repairs, inspections and tenant care.

Sales

Valuation, marketing and sales progression.

Compliance

Gas, electrical, EPC, licensing and deposit protection.

Refurbishment

Redecoration and upgrades between tenancies.

Investment advice

Yield analysis and portfolio planning.

Renting at 21 St James's Square? Estimate your move-in costs
Weekly rent–
Holding deposit (max 1 week)–
Tenancy deposit (5 weeks, or 6 if rent is £50k+ a year)–
Rent in advance (max 1 month)–
Total to move in–
Annual income typically needed–

Caps under the Tenant Fees Act 2019 and the Renters' Rights Act rules in force from 1 May 2026 (England). The holding deposit is usually credited towards the first rent or deposit.

Landlord checklist for letting at 21 St James's Square

Frequently asked questions

Can I rent a flat at 21 St James's Square?

Availability depends on owners letting their homes. Register with us and we'll tell you when suitable homes at 21 St James's Square or nearby come up.

Can Fraser Bond manage my apartment at 21 St James's Square?

Yes. We offer tenant-find, rent collection and full management, including liaison with the building's managing agent.

How much is my flat at 21 St James's Square worth?

Book a free sales or rental valuation and we'll give you an evidence-based figure.

Are all homes at 21 St James's Square available privately?

Some London buildings include affordable homes allocated by the council or a housing provider. Private homes are let and sold on the open market.

Own or want to rent at 21 St James's Square?

Get a free valuation, or register to hear about homes as soon as they come up.

Get a free valuationRegister interest

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