Free Traffic Legal Advice

was in rush for meeting

We see this so often. When parking in London, it is essential to make sure you are parked correctly and look for the sign applicable to where you parked.
Anyway, if you want considered and useful advice, please read this and update your thread accordingly: -
https://www.ftla.uk/civil-penalty-charge-notices-(councils-tfl-and-so-on)/read-this-first-before-posting-your-case!-this-section-is-for-council-tfl-dartme/

Here is the sign at the start of Gloucester Road: -

You have to park in a bay signed for use by non-permit holders. So please post an updated link that shows exactly where you parked. I had a virtual tootle around and this seems to be the only bay available for non-permit holders: -

The alternative, if you are visiting somebody living here, is to obtain a Visitor Permit from them. Needless to say, these cost money !