| 1 Robert Street, Glynneath, Neath | Freehold | 80 m² | £28,000 (2001) |
| 2 Robert Street, Glynneath, Neath | - | 89 m² | - |
| 3 Robert Street, Glynneath, Neath | Freehold | 85 m² | £150,000 (2025) |
| 4, Robert Street, Glynneath, Neath | Freehold | 88 m² | £56,000 (1999) |
| 5, Robert Street, Glynneath, Neath | Freehold | 76 m² | £75,000 (2010) |
| 6, Robert Street, Glynneath, Neath | Freehold | 93 m² | £65,500 (2013) |
| 11 Robert Street, Glynneath, Neath | Freehold | 77 m² | £137,000 (2025) |
| 13 Robert Street, Glynneath, Neath | Freehold | 77 m² | £85,000 (2012) |
| 16, Robert Street, Glynneath, Neath | Freehold | 96 m² | £62,500 (2003) |
| 17 Robert Street, Glynneath, Neath | Freehold | 122 m² | £139,950 (2009) |
| 18, Robert Street, Glynneath, Neath | Freehold | 126 m² | £132,000 (2004) |
| 19, Robert Street, Glynneath, Neath | Freehold | 103 m² | £140,000 (2010) |
| 21, Robert Street, Glynneath, Neath | Freehold | 90 m² | £43,750 (2000) |
| 22, Robert Street, Glynneath, Neath | Freehold | 101 m² | £44,000 (2000) |
| 24, Robert Street, Glynneath, Neath | Freehold | 85 m² | £165,000 (2019) |
| 25, Robert Street, Glynneath, Neath | Freehold | 125 m² | £140,000 (2015) |
| 27 Robert Street, Glynneath, Neath | Freehold | 81 m² | £86,995 (2005) |
| 28 Robert Street, Glynneath, Neath | - | 85 m² | - |
| 30 Robert Street, Glynneath, Neath | Freehold | 99 m² | £165,000 (2025) |
| 33, Robert Street, Glynneath, Neath | - | 94 m² | - |