William Street, Trethomas

40 homes · mostly 1900-1929 mid-terrace · CF83 8FX, CF83 8DQ

39 of 40 graded homes sit below their potential — on average 1.7 grades of headroom.

D
Street Grade
The most common grade among this street’s current certificates. Average score 61.7.

Grade distribution

Current certificates, 40 graded homes.

9
24
7
ABCDEFG

Price statistics

HM Land Registry price paid data since 1995.

£149,190
average, last 10 years
134
sales since 1995
£210,000
latest sale, 8 May 2026
52 · 8 May 2026£210,000
26 · 19 December 2025£205,000
53 · 12 November 2025£255,000
6 · 1 October 2025£154,000
84 · 25 July 2025£175,000

Homes on William Street

Pick an address to see its Report Card.

AddressGrade → potential
1 William StreetD→ B2 William StreetE→ B4 William StreetD→ B6 William StreetC→ B7 William StreetC→ B8 William StreetD→ B9 William StreetD→ C12 William StreetD→ B13 William StreetD→ C14 William StreetD→ B16 William StreetD→ B17 William StreetE→ C20 William StreetC→ C23 William StreetE→ B25 William StreetC→ B26 William StreetD→ B29 William StreetD→ B33 William StreetD→ C35 William StreetD→ B37 William StreetD→ C41 William StreetD→ B43 William StreetE→ C45 William StreetD→ B47 William StreetC→ B49 William StreetE→ C52 William StreetE→ C53 William StreetC→ B55 William StreetD→ B56 William StreetE→ C60 William StreetD→ B66 William StreetD→ B68 William StreetD→ B70 William StreetD→ B72 William StreetD→ B74 William StreetD→ B78 William StreetC→ B84 William StreetC→ B90 William StreetC→ B92 William StreetD→ B94 William StreetD→ B

Other streets in CF83

CHeol AneurinDNantgarw RoadDPontygwindy RoadDCommercial StreetDBedwas RoadDCaerphilly RoadDVan RoadCPen Y Bryn