The Residents’ Society of Mayfair and St. James’s is the official amenity society recognised by Westminster City Council and the Grosvenor Estate for Mayfair and St James’s.

More than that, we are a community organisation which seeks to unify our community for social gatherings in the spirit of our neighbourhood, and to support our residents and traditional businesses to fight to protect this special place in the world. We seek to protect residential amenity, and enhance it where possible.

Our members are integral to helping us fulfill this mission. By joining the RSMSJ you lend your voices to many, so that together we can be heard and help safeguard our community for tomorrow.

Membership of the RSMSJ is £10/ year for individuals, to cover the organisation’s expenses.
To enquire about joining or check the status of an existing membership, please click the links below.

New Membership Applications

Existing Membership Check/ Renew


Latest News & Updates

Licensing News week ending 16.06.2024

If you are affected by any of the proposals within this update and attached pdf file, please comment, and send to the chairman at chair@rsmsj.com. Goo....
Thames Water (works)

Dear residents and stakeholders, Courtesy Note: Thames Water are carrying out repair works close to our site, and this may lead to some residential supplies being affected. The works are not associated with construction works on the 30GS site. Should your water supply be affected, we have been ad....
WIN fast track entry to West End Live!
WIN fast track entry to West End Live!
Welcome to MyWestminster, your weekly update on everything happening in your city. This week (Friday 14 June 2024): Win fast track entry to West End LIVE!

The Annual Mayfair Summer Garden Party 2023

RSMSJ Party Gallery

Edward Lloyd Party Gallery

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