All the London railway stations :
I visited Kilburn station in July 2019. The tube map only gives it a step free from platform to station. It is not bad.
Kilburn station stairs - most travellers choose this route
Kilburn station lift - some travellers prefer this route down to the platform
Kilburn station lift - platform level
Kilburn station platform level
Kilburn station step onto Jubilee line train, and my foot
Underground lines : Jubilee
Accessibility friendly : Partial. Northbound towards Stanmore (A step 150mm/gap 77mm), southbound towards Stratford (A step 127mm/gap 80mm).
There is lift access between street and platforms.
Inclusive Britain Station Guide