BT contract grossly overcharged, complaint still not resolved, what to do?

[GreenIsNews]

Dear All,

Per BT written email contract confirmation for BT business package:  
We agreed I pay £43.14 {VAT included} per month for [Superfast Essential + Line + Range of Static IPs]
BT invoiced me since 2020/10 +- £107.17 per month.

Thus by this point BT owes me £1472.69. {Not accounting for inflation}

Evidence was submitted, acknowledged to be correct, escalated by BT starting on 2022.08.04.

Matter still not resolved. Contract is up for renewal, I cannot renew till this is resolved.

Previous two cycles of two year BT contracts I was overcharged. In those two cases the matter was resolved quite promptly when BT billing was handled by UK based agents.

This time round it seems BT outsourced the billing problem department to India.
Wasted many hours speaking to BT in India.
What a nightmare.

What do you advise?

Thank you.

[garybs29 · Accepted solution]

EDIT - after reading again, this is the residential forum, business one is here - Home - BT Business Community

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[GreenIsNews]

Thank you garybs29 .

New post created here.

See little merit for BT the split the forums like this.

[gg30340]

There is a lot of merit in splitting the forums. 

The residential and business companies are two separate companies with their own staff and "expertise" and different components in the packages that they sell.

They have a different email service, Service Level Agreements, costs etc etc.all of which come with their own problems and solutions.  I suspect that user of a dual forum would no doubt find it tedious wading through solutions that do not apply to their particular service or package.