What English-language religious services are available locally?
There are a handful of international churches that have services in English, both Protestant and Catholic. There are a few more options if you are willing to listen via translation/headphones: Oslo International Church International Baptist Church American Lutheran Congregation - Jan 2020
Plenty - the American Lutheran Church is a nice community (it's mostly non-denominational, very international). - Dec 2015
I think most are available with a bit of research. - Jun 2015
Catholioc churches have one or two weekend masses in English. I doubt if the Lutheran churches have English language services. - Aug 2011