I'm in a similar situation with being working from home, will only be doing 3-5k miles a year and was wondering would it be best to switch to long life service so it's 20k miles/2 years for each service?
From my understanding you normally switch to long life servicing when you use the car more frequently, not the other way around.
I.e. If you're doing 20k miles a year, it's normally unnecessary to stick with regular 10k service intervals as you won't degrade the filters etc any quicker.