Comment by mootothemax

Comment by mootothemax 21 hours ago

Heh, you’ve fallen into the exact trap I was trying to expose, which is why I chose addresses as an illustration point :)

The first step with anything address-y is to try and nail down exactly what an address is in the project context. Quick example - property shells, a building at 1-2 Street Name that contains a bunch of flats, but doesn’t itself have residents or its own postal delivery point. They’re mega useful for an address autocomplete (sadly, the vast majority of geocoders are trash for the uk’s addresses), are they sth people should be able to use (without a flat number etc.) for their driving license? Probably not. Commercial venues? Maybe, what about pubs? Ok, so dual-use maybe, but man this stuff gets painful in a hurry.

Next up - historic addresses and how’re you going to link ‘em all together. It’s nasty, edge-case-strewn work - and for the most part, unavoidably so. It’s why people get their backs up when someone dismisses it out of turn, cos if they have worked with it in the past, they’d qualify anything they wrote with: * presuming a well-formed address source + pipeline.

Edit: for what it’s worth, companies house only lists corporate entities and partnerships as defined in whatever act of parliament. Self employed etc can call themselves whatever - and do! - and the only record of it can be as vague as a nondescript line from the VOA.

robertlagrant 18 hours ago

I like this trap. Why would you need historic addresses for this service? In my mind the main reason for the DVLA knowing your address at all is so they know where to post a fine and a new driving licence/car documentation to. Why do they need historic addresses in their core system?

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daveoc64 9 hours ago

>Why would you need historic addresses for this service?
The police (and other authorities like councils) who issue penalties, need to know who was the registered keeper of a vehicle on the date of an alleged offence.
That's where the DVLA's Keeper At Date Of Event (KADOE) system comes in.
It's currently being transitioned to a modern API:
https://developer-portal.driver-vehicle-licensing.api.gov.uk...

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multjoy 15 hours ago

Now you've got two addresses to handle - the vehicle's keeper and the licence holder.
Further, the DVLA isn't sending correspondence relating to criminal matters, that's coming from the police who use the Police National Computer, into which the driver and vehicle files are fed along with data from the motor insurers bureau.

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mootothemax 16 hours ago

I’m happy you’re taking it in the spirit intended :) it’s a trap I frankly despise but that’s cos I’m old and bitter.
The problem being addressed - if you’ll forgive the pun - is that you’re not storing someone’s current address; what you have is their _most recently known to us_ address, which obvs over time can become a problem, least of all if you’re wasting time and money sending undeliverable post. (I have a vague memory of Royal Mail fining bulk delivery users for not pre-screening, not sure if that was a particularly dull dream or not tho).
The thing it’s important to keep in mind is - there is no single nor centrally-held repository of addresses within the UK. I don’t mean about oh mr so-and-so lives at 11 acacia avenue. I mean for just the addresses themselves.
Throw in the mad mixture of Scotland having a separate national statistics agency that’s independent of the ONS, plus Northern Ireland having the same -plus- a separate OS in the form of OSNI, the whole landscape’s set up for pain and failure.

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