@JobAndKnock I really appreciate you taking the time to answer, and confirm my suspicions.
It really helps us move forward with the project in confidence.
@JobAndKnock thanks so much for your reply.
So, that means these won't be structural and can be removed for the purposes of access, such as a door or hatchway?
We are looking into expanding the storage space options in our 3 story detached house, and have identified a large void under the lower flight of the second swinger style staircase.
The proposed storage area:
The void is sandwiched between the lower staircase flight cavity (couldn't think of...