Heol Islwyn is a mix of detached houses and semi-detached houses. The median sale price is £174,995, about 28% above the typical SA5 sale. Per square metre of floor space it comes to about £2,342, above the district's £1,574. The street has been outpacing the SA5 trend. HM Land Registry records 79 sales across 47 homes since 2006.
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Heol Islwyn prices over time
Median sold price on the street by year, from 79 HM Land Registry records. Years with no recorded sales are left blank rather than joined up.
Median sold price by year vs the SA5 district trend. Street medians on thin years reflect few sales — hover a dot for the exact figure.
How Heol Islwyn compares
Heol Islwyn against the SA5 district's busiest streets, the district itself, and the official UK House Price Index for the wider area.
Median sold price and sale count over the last 8years for the district's busiest streets.
Heol Islwyn's £174,995 median sits about 28% above SA5's £137,000; on floor space it runs £2,342/m² against the district's £1,574/m² (+49%).
Street and SA5 figures are medians of HM Land Registry sales; the England figures are the UK House Price Index mix-adjusted average — a different basis, so compare direction rather than levels between the two.
Prices by property type
Median sold price by property type on Heol Islwyn.
Every recorded sale on Heol Islwyn
Individual transactions as recorded by HM Land Registry, newest first.
Sales marked non-standardare Land Registry “additional price paid” entries — bulk purchases, repossessions, right-to-buy and similar transfers. They're listed for completeness but excluded from every median and comparison figure on this page.
Get the full £5 report on the exact home — valuation vs its own sale history, EPC & running costs, flood/mining risk, planning, schools and more.
More streets in SA5
Sold-price profiles for nearby streets, and the wider SA5 area guide.
Contains HM Land Registry data © Crown copyright and database right 2026, including the UK House Price Index. EPC data © Crown copyright. Licensed under the Open Government Licence v3.0. Figures summarise recorded sales on the street and are not a valuation of any individual home.