Unidentified plant, possibly wall lettuce?

Unidentified plant, possibly wall lettuce?

Observation - Unidentified plant, possibly wall lettuce? - UK and Ireland. Description: Plant growing out of front doorstep. Not yet flowered, but if it's the same as has grown there before then it has small yellow flowers. Possibly something like wall lettuce (Lactuca muralis)?

Plant growing out of front doorstep. Not yet flowered, but if it's the same as has grown there before then it has small yellow flowers. Possibly something like wall lettuce (Lactuca muralis)?