I think these houses have been demolished as part of the Faraday demolition project https://www.southampton.ac.uk/~assets/doc/community/Faraday%20Programme.pdf

Buildings completed, add when on imagery

In context of overlay "Surfaces" – Path – way/75806833 via StreetComplete 61.3:

This bit of path doesn't exist

These houses are joined

via StreetComplete 61.3

This is part of the houses

via StreetComplete 61.3

In context of overlay "Buildings" – Building – way/1329462916 via StreetComplete 61.3:

This is part of the semidetached houses

Road continues here to the south

via StreetComplete 61.3

Unable to answer "What basic shape does this building’s roof have?" – house number 17,19: House – way/1329462942 via StreetComplete 61.2:

Split in two, same with others around here

In context of overlay "Bike paths" – Cycle Path – way/286732491 via StreetComplete 61.3:

This tiny bit of cycle path looks like an error

Unable to answer "What type of bicycle barrier is this?" – Cycle Barrier – node/1423489398 via StreetComplete 61.3:

This should be the other side of the t junction, slightly to the east