K2 and K6 Phone Boxes – Conservation Or Derelction?

By Janeslondon
Happy new year people ... here's to a marvelous 2019!
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Tourists love 'em but the powers that be don't seem to give a wotist!
K2 phone boxes are still a common sight on out high streets. But these and their successor, the slightly smaller K6, are falling into disrepair.
Most of us have mobiles/cellphones these days so there is scant need to utilise theses bright red icons anymore* but if they are to remain on our streets (and they should) then why are they in such poor condition? I mean, who is supposed to be managing and maintaining them?

This thought popped into my head yesterday as I was passing Islington Central Library on Holloway Road. Contractors have recently been working behind scaffold and plastic sheeting giving the lovely 1906 building a clean but now the work has been completed I can see that the phone box on the corner is filthy! It already had some broken or missing window panes but just look at the state of it now...

As you can see it's covered in plaster splashes, muck and dirt, as is the pavement around it which forms part of the library's curtilage.
But it's not the only one that looks so bad. For instance, in Islington, there is another one in poor condition outside St Paul's church at the top end of Essex Road, and the pair outside Tesco on Islington Green are horribly neglected.
Yet in nearby Canonbury there are some glossy red well-painted examples such as this one outside The Canonbury Tavern. Why? Because this is a 'conservation area'.
So, this begs the question: "whose responsibility is it regarding the upkeep of these phone kiosks?". And who painted or gave authority to paint, the ones in Canonbury?  And if that is the body that owns them, why haven't all others been similarly maintained too? Why only conservation areas and tourist meccas?
* apart from advertising space for 'services' or as 'conveniences'