Yes that address is correct

Joan Collins
Intertalent Group
33 Great Pulteney Street
London, W1F 9NP
UK

Sent a request to Dame Joan on 11/10 and got a reply back today (16/11). Not personalised but a genuine hand-signed autograph so very happy!

Sent a request to Dame Penelope on 12/10 and got a lovely personalised and signed photo back today (16/11/24)

Yep. I found that address on here and it worked a treat. Many thanks!

Sent a request to Dame Joanna on 15/09/24 and received a lovely autographed and personalised photo today, 30/10/24

Sent a request for an autograph to Sir David on 12/10/24 and got reply back on 16/10/24. A very polite letter explaining that David will not be doing personal signings in the near future, but they did include a photo with a printed autograph, so, not a total success, but better than nothing! David J...

Got a RTS when sent a request to the above address, so it needs to be updated. Thanks!

Wrote to Mr Palin on 26/08/24 and got personalised signed photo back on 04/10/24. Very happy. Thanks Michael!!

Michael Palin
Mayday Management PS Ltd.
PO Box 74642
London W6 6JT
UK

Yep, that was the address I used