House prices on Heol Islwyn
Median value — November 2026
£162,000
Modelled from 22 properties Stede tracks in Heol Islwyn
Market snapshot
£162,000
Median value
£160,364
Average value
0
Sales in the last 12 months
+3%
Change over the past year
Value over time
- Modelled value
- Projected
Modelled month by month from the UK House Price Index, averaged across every property type Stede tracks here.
View as a table
| Year | Modelled value |
|---|---|
| 2000 | £30,484 |
| 2001 | £35,454 |
| 2002 | £41,275 |
| 2003 | £53,909 |
| 2004 | £73,584 |
| 2005 | £79,195 |
| 2006 | £90,237 |
| 2007 | £96,767 |
| 2008 | £83,030 |
| 2009 | £82,176 |
| 2010 | £79,865 |
| 2011 | £79,188 |
| 2012 | £78,274 |
| 2013 | £79,211 |
| 2014 | £85,823 |
| 2015 | £89,299 |
| 2016 | £92,088 |
| 2017 | £99,091 |
| 2018 | £101,922 |
| 2019 | £108,886 |
| 2020 | £117,255 |
| 2021 | £131,921 |
| 2022 | £150,801 |
| 2023 | £140,483 |
| 2024 | £151,240 |
| 2025 | £156,938 |
| 2026 | £160,000 |
There aren't enough recorded sales on Heol Islwyn alone to model a trend for it, so this line shows Porth instead.
Property types
- Semi-detached house86%£162,000
- Mid-terrace house14%£149,000
Recent sales
- 37 Heol Islwyn, Tonyrefail, Porth, Rhondda Cynon Taff, CF39 8NR£152,000 · 2025£175,000
- 4 Heol Islwyn, Tonyrefail, Porth, Rhondda Cynon Taff, CF39 8NR£170,000 · 2024£186,000
- 25 Heol Islwyn, Tonyrefail, Porth, Rhondda Cynon Taff, CF39 8NR£100,000 · 2024£137,000
- 26 Heol Islwyn, Tonyrefail, Porth, Rhondda Cynon Taff, CF39 8NR£191,000 · 2024£217,000
- 8 Heol Islwyn, Tonyrefail, Porth, Rhondda Cynon Taff, CF39 8NR£140,000 · 2024£159,000
- 5 Heol Islwyn, Tonyrefail, Porth, Rhondda Cynon Taff, CF39 8NR£150,000 · 2023£173,000
- 41 Heol Islwyn, Tonyrefail, Porth, Rhondda Cynon Taff, CF39 8NR£125,000 · 2023£147,000
- 20 Heol Islwyn, Tonyrefail, Porth, Rhondda Cynon Taff, CF39 8NR£150,000 · 2023£177,000
Addresses in Heol Islwyn
- 11 Heol Islwyn, Tonyrefail, Porth, Rhondda Cynon Taff, CF39 8NR£29,950 · 1997£162,000
- 14 Heol Islwyn, Tonyrefail, Porth, Rhondda Cynon Taff, CF39 8NR£110,000 · 2019£171,000
- 16 Heol Islwyn, Tonyrefail, Porth, Rhondda Cynon Taff, CF39 8NR£30,000 · 2003£118,000
- 1A, Heol Islwyn, Tonyrefail, Porth, Rhondda Cynon Taff, CF39 8NR£23,950 · 2001£123,000
- 2 Heol Islwyn, Tonyrefail, Porth, Rhondda Cynon Taff, CF39 8NR£160,000 · 2022£179,000
- 20 Heol Islwyn, Tonyrefail, Porth, Rhondda Cynon Taff, CF39 8NR£150,000 · 2023£177,000
- 22 Heol Islwyn, Tonyrefail, Porth, Rhondda Cynon Taff, CF39 8NR£100,000 · 2011£192,000
- 23 Heol Islwyn, Tonyrefail, Porth, Rhondda Cynon Taff, CF39 8NR£64,000 · 2013£139,000
- 25 Heol Islwyn, Tonyrefail, Porth, Rhondda Cynon Taff, CF39 8NR£100,000 · 2024£137,000
- 26 Heol Islwyn, Tonyrefail, Porth, Rhondda Cynon Taff, CF39 8NR£191,000 · 2024£217,000
- 3 Heol Islwyn, Tonyrefail, Porth, Rhondda Cynon Taff, CF39 8NR£55,000 · 2004£149,000
- 30 Heol Islwyn, Tonyrefail, Porth, Rhondda Cynon Taff, CF39 8NR£25,000 · 1998£133,000
- 33 Heol Islwyn, Tonyrefail, Porth, Rhondda Cynon Taff, CF39 8NR£66,000 · 2015£144,000
- 37 Heol Islwyn, Tonyrefail, Porth, Rhondda Cynon Taff, CF39 8NR£152,000 · 2025£175,000
- 4 Heol Islwyn, Tonyrefail, Porth, Rhondda Cynon Taff, CF39 8NR£170,000 · 2024£186,000
- 40 Heol Islwyn, Tonyrefail, Porth, Rhondda Cynon Taff, CF39 8NR£31,995 · 2000£164,000
- 41 Heol Islwyn, Tonyrefail, Porth, Rhondda Cynon Taff, CF39 8NR£125,000 · 2023£147,000
- 42 Heol Islwyn, Tonyrefail, Porth, Rhondda Cynon Taff, CF39 8NR£78,000 · 2012£159,000
- 43 Heol Islwyn, Tonyrefail, Porth, Rhondda Cynon Taff, CF39 8NR£33,000 · 2001£162,000
- 5 Heol Islwyn, Tonyrefail, Porth, Rhondda Cynon Taff, CF39 8NR£150,000 · 2023£173,000
- 8 Heol Islwyn, Tonyrefail, Porth, Rhondda Cynon Taff, CF39 8NR£140,000 · 2024£159,000
- 9 Heol Islwyn, Tonyrefail, Porth, Rhondda Cynon Taff, CF39 8NR£80,000 · 2014£162,000
About this area
Heol Islwyn, in Porth, is a street. Stede can model 22 properties there, from HM Land Registry Price Paid Data and the UK House Price Index.
As of November 2026, Heol Islwyn has a median estimated value of £162,000 and an average of £160,364.
Modelled values in Heol Islwyn are +3% over the past year and +24% over five years.
The market here is mostly semi-detached houses, which make up 86% of the properties Stede tracks in Heol Islwyn.
Common questions
What is the average house price in Heol Islwyn?
As of November 2026, the average estimated value is £160,364 and the median is £162,000 across 22 properties Stede tracks in Heol Islwyn. This is not a formal market valuation.
Are house prices in Heol Islwyn going up or down?
Modelled values in Heol Islwyn are +3% over the past year and +24% over five years, based on the UK House Price Index.
What types of property are in Heol Islwyn?
86% of the properties Stede tracks in Heol Islwyn are semi-detached houses. mid-terrace houses are next most common, at 14%.
How many properties are in Heol Islwyn?
Stede can model 22 properties in Heol Islwyn, with 0 recorded sales in the past 12 months.
How does Stede calculate house prices for Heol Islwyn?
These figures are modelled from HM Land Registry Price Paid Data and the UK House Price Index — the same sources used for every individual property valuation on Stede. Full detail is on the methodology page.
How we calculate this
These figures are modelled from HM Land Registry Price Paid Data and the UK House Price Index — the same sources behind every individual property valuation on Stede.
Read the full methodology and data sources →