Newport West & Islwyn is currently held by the Labour Party, and awaits results.
Results for 2019 are notional estimates based on the new boundaries.
| Votes | Share % | Change %pts. | ||
|---|---|---|---|---|
| Brandon Ham Plaid Cymru | − | − | − | |
| Mike Hamilton Liberal Democrat | − | − | − | |
| Nick Jones Conservative | − | − | − | |
| Ruth Jones Labour | − | − | − | |
| Paul Taylor Reform UK | − | − | − | |
| Kerry Vosper Green | − | − | − | |
| George Etheridge Independent | − | − | − |