Free Traffic Legal Advice

Well, the first of your pictures I open shows a clear yellow line with some leaves, then the third shows the restrictions sign right by where you indicate you were parking, so I think you'll struggle with this. However, one has to wonder why enforcement is now taking place if you've parked there fairly regularly for 2 years.  Maybe you have been lucky, but we do see this sort of thing all the time.

For me, your only real argument against the PCN is your regular parking without penalty.  This is called 'legitimate expectation', but somehow you'd have to show how often you have parked there over the years. Another argument that I don't think is particularly strong is the mess on the carriageway partly obscuring the yellow line, but your own photos shows the line is visible. The whole cul-de-sac has yellow lines, and signs so this is no real guarantee of success.

The PCN looks OK for content, so no mileage there.

Sorry not to be more positive, but I would not risk the discount if it were me. Submit representations but I don't think they'll give way. If you go all the way to adjudication via the Notice to Owner, you will be liable for the full £70 if you lose.

Yes, I am the registered keeper and v5c is updated with my current address.

Apologies, I was sick, and could not reply. Since the ticket was dated Oct 6th, I am assuming I have time till 20th to appeal.

Please advise if this can be made better. The category I selected was based on the appeal available on the website. If I don't select this, then it will be 'Any other reason'.

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Category - I didn't see any signs or lines; The contravention didn't occur

The lines are not visible when I parked my car. The lines are broken and obscured by leaves and mud. Additionally, enforcement of the restricted hours has not taken place in that section of the road for last 2 years.
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Shall I add my photos as well? Manual pic 1-6?

@cp8759, Did you get any reply on the TRO? I searched everywhere on council website, couldn't locate it. The only mention I found was in some document, which unfortunately I can't remember where it was.

What is against you is the fact that the sign controlling the parking restriction is right by your car. From what I see so far, legitimate expectation is your strongest argument.

I've not had any reply about the TRO, it might be the one on the TPT website or maybe there's a newer one, I'll post on here as soon as I get a reply.

For now I would go with John's suggestion for a representation, that should buy you several weeks.

Others with experience of the process may know the finer details.

As regards FoI or EiR the following applies:

For a request to be valid under the Freedom of Information Act it must be in writing, but requesters do not have to mention the Act or direct their request to a designated member of staff. It is good practice to provide the contact details of your freedom of information officer or team, if you have one, but you cannot ignore or refuse a request simply because it is addressed to a different member of staff. Any letter or email to a public authority asking for information is a request for recorded information under the Act.

This doesn’t mean you have to treat every enquiry formally as a request under the Act. It will often be most sensible and provide better customer service to deal with it as a normal customer enquiry under your usual customer service procedures, for example, if a member of the public wants to know what date their rubbish will be collected, or whether a school has a space for their child. The provisions of the Act need to come into force only if:

you cannot provide the requested information straight away; or
the requester makes it clear they expect a response under the Act.

My emphasis. 

https://ico.org.uk/for-organisations/foi-eir-and-access-to-information/guide-to-freedom-of-information/receiving-a-request/

Just write separately and ask.