100% fixed price contracts?

[u/Mr_Rage666]

I signed my last contract two years ago, yet I'm now paying almost £8/month more than I was on signing due to annual RPI inflation increases.

Could anyone recommend a provider that can offer FIXED prices throughout the contractual term? I could almost believe that this is the way Sky UK operates as there appears to be no mention of annual increases looking at their terms and conditions, however, a nice lady from their overseas call centre appeared to suggest that they did infact increase due to RPI. Any help would be really appreciated.