Upper William Street, Llanelli

10 homes · mostly 1900-1929 mid-terrace · SA15 1SL

9 of 10 graded homes sit below their potential — on average 1.9 grades of headroom.

D
Street Grade
The most common grade among this street’s current certificates. Average score 60.9.

Grade distribution

Current certificates, 10 graded homes.

2
6
2
ABCDEFG

Price statistics

HM Land Registry price paid data since 1995.

£99,500
average, last 10 years
26
sales since 1995
£125,000
latest sale, 22 April 2026
23 · 22 April 2026£125,000
20 · 24 March 2023£90,000
21 · 24 March 2023£105,000
29 · 6 July 2022£125,000
23 · 6 November 2020£92,000

Homes on Upper William Street

Pick an address to see its Report Card.

AddressGrade → potential
15 Upper William StreetE→ B17 Upper William StreetD→ B18 Upper William StreetD→ C20 Upper William StreetD→ B21 Upper William StreetC→ B23 Upper William StreetC→ C24 Upper William StreetD→ B25 Upper William StreetD→ B29 Upper William StreetE→ C30 Upper William StreetD→ B

Other streets in SA15

CPentre Doc Y GogleddCStryd BennettDFelinfoel RoadDStation RoadDSandy RoadDHeol Y MeinciauBBwlchygwyntDNew Dock Road