Heol Islwyn, Tonyrefail

35 homes · mostly 1950-1966 semi-detached · CF39 8NR

33 of 35 graded homes sit below their potential — on average 1.3 grades of headroom.

C
Street Grade
The most common grade among this street’s current certificates. Average score 67.7.

Grade distribution

Current certificates, 35 graded homes.

1
19
12
3
ABCDEFG

Price statistics

HM Land Registry price paid data since 1995.

£134,500
average, last 10 years
32
sales since 1995
£152,000
latest sale, 20 March 2025
37 · 20 March 2025£152,000
4 · 29 November 2024£170,000
25 · 13 November 2024£100,000
26 · 8 August 2024£191,000
8 · 31 July 2024£140,000

Homes on Heol Islwyn

Pick an address to see its Report Card.

AddressGrade → potential
1 Heol IslwynD→ C2 Heol IslwynD→ C3 Heol IslwynE→ B4 Heol IslwynD→ C5 Heol IslwynD→ C6 Heol IslwynC→ B8 Heol IslwynD→ C9 Heol IslwynC→ C10 Heol IslwynC→ B11 Heol IslwynD→ A14 Heol IslwynD→ C15 Heol IslwynC→ B17 Heol IslwynC→ B18 Heol IslwynC→ B19 Heol IslwynC→ B20 Heol IslwynC→ B21 Heol IslwynB→ B22 Heol IslwynE→ C23 Heol IslwynD→ B24 Heol IslwynC→ B25 Heol IslwynC→ B26 Heol IslwynD→ C27 Heol IslwynC→ B29 Heol IslwynC→ B31 Heol IslwynC→ B32 Heol IslwynC→ B33 Heol IslwynC→ B35 Heol IslwynD→ B37 Heol IslwynC→ B38 Heol IslwynC→ B39 Heol IslwynD→ C41 Heol IslwynC→ B42 Heol IslwynD→ B45 Heol IslwynE→ C46 Heol IslwynC→ B

Other streets in CF39

DHigh StreetDHigh StreetDTrebanog RoadBWorcester CourtDYnyshir RoadBHighfieldsCCaer GwerlasCBryngolau