All the London railway stations :
Chadwell Heath is on the Greater Anglia rail network. It is currently not accessible due to stairs between the street and platforms. Lifts are planned. See pictures and further accessible transport in London detail from links below. This station has direct access to Stratford. It is also on the new Elizabeth Line (Crossrail) which is operational into Liverpool street only, at present (February 2019).
National Rail lines : The Station is on the Greater Anglia (Liverpool Street towards Southend), via Shenfield. This station has direct access to Stratford.
AccessAble Access Guide :
Accessibility friendly : No. Works are currently underway to make this station step free with the addition of lifts.
General description : See wiki
More comment : National Rail Map & Guide, The station is not ideal for accessibility at present. Bus 86 runs from Romford to Stratford via Chadwell Heath.