If you use the postcode to navigate to my house using google, you get directed into the alleyway behind the house. Both entrances to this are from the next street, not ours, which is a bit of a pain.
Used the Report a Problem button and filled in the online form. Got an auto reply to acknowledge, then many weeks later an email:
Thank you for reporting this problem. Unfortunately, for various reasons, the problem that you reported isn’t easy for us to fix at present:
[screenshot of map segment and my report]
We did want to let you know that we’ve escalated your report to the appropriate engineering team. Even though we don’t have an immediate fix to your problem, please be assured that we’re working hard for a resolution.
Thanks for helping us to improve Google Maps!