Even if this were to ever escalate into a court claim, I seriously doubt it would ever reach a hearing. Even if it ever did, it is nothing other than be fearful of. Far too many people have little understanding of the civil court system (as opposed to the criminal system). The County Court is the ultimate dispute resolution service.
Just to try and allay your fears, here is a short video that explains what happens in a hearing for a debt dispute in court:
https://youtu.be/n93eoaxhzpU?feature=sharedYour tenancy agreement is a legal contract, and you have supremacy of contract over the land where you reside and park. From what you have shown us there is no clause in your tenancy that introduces UKCPM, requires you to display a permit, or imposes time restrictions like "30 minutes free." That means UKCPM has no legal basis to issue parking charges — they’re not a party to your contract, and they cannot unilaterally impose new terms.
Unless Hyde Housing has formally varied your lease in accordance with the Landlord and Tenant Act 1987, particularly Section 37 (which requires consultation and a Tribunal), no new contractual obligations can be imposed — especially not by a third party like UKCPM.
What UKCPM are doing amounts to issuing speculative invoices for alleged breaches of a contract you never entered into. Their “contract” signage has no effect on tenants who already have a lease that governs their rights to use the estate, including parking areas. UKCPM’s actions are legally baseless where there is no agreement with you, and they have no right to override your lease.
You should write to Hyde Housing and make it crystal clear that:
• You do not accept UKCPM's authority, as it contradicts your tenancy rights;
• Hyde is vicariously liable for the actions of UKCPM, their appointed agent;
• If you suffer loss, distress, or legal escalation due to UKCPM’s unlawful actions, you will hold Hyde and UKCPM jointly and severally liable.
Let them know that Hyde’s failure to control or properly instruct their agents could result in a formal complaint to the Housing Ombudsman and potential legal action for breach of your tenancy rights and unlawful interference with quiet enjoyment.
Also, gather evidence:
• Take a photo of any “30 minutes free parking” sign to show UKCPM’s own signage contradicts their claim;
• Speak to the caretaker, as planned, to confirm the history and intended use of the drop-off bays.
You have every right to challenge this. Your lease comes first, and neither UKCPM nor Hyde can rewrite it without following proper legal procedures.