Areas / SA4 / street profile

Heol Islwyn, SA4

Sold prices, £/m² and street profile from HM Land Registry records.

Median sold price
£95,998
all recorded sales
£ per m²
£2,029
from EPC floor areas
Recorded sales
40
Distinct homes
21
Price range
£30,750 – £175,000
Sales recorded
2000 → 2025
first to latest sale
The street in brief

Heol Islwyn is a mix of terraced houses and semi-detached houses. The median sale price is £95,998, about 49% below the typical SA4 sale. Recent sales have moved in step with the wider district. HM Land Registry records 40 sales across 21 homes since 2000.

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Heol Islwyn prices over time

Median sold price on the street by year, from 40 HM Land Registry records. Years with no recorded sales are left blank rather than joined up.

This street — yearly medianSA4 district trend
£0£100k£200k£300k2000200520102015202020252000: £42,000 median · 1 sale2001: £38,750 median · 4 sales2002: £51,250 median · 3 sales2003: £77,000 median · 3 sales2004: £94,998 median · 2 sales2005: £92,000 median · 1 sale2006: £85,000 median · 3 sales2007: £117,000 median · 1 sale2008: £112,000 median · 3 sales2009: £86,000 median · 2 sales2010: £100,000 median · 3 sales2011: £148,000 median · 1 sale2012: £84,000 median · 1 sale2013: £100,000 median · 1 sale2014: £120,000 median · 2 sales2015: £102,000 median · 2 sales2019: £103,000 median · 1 sale2021: £134,000 median · 3 sales2024: £165,000 median · 1 sale2025: £141,000 median · 2 sales

Median sold price by year vs the SA4 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 SA4 district's busiest streets, the district itself, and the official UK House Price Index for the wider area.

This street
£95,998
median · all recorded sales
SA4 district
£187,000
median · last 8 years · street -49%
England
£291,445
average price (UK House Price Index), Apr 2026 · +3.9% in 12 months

Heol Islwyn's £95,998 median sits about 49% below SA4's £187,000.

Street and SA4 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.

Terraced
£95,998
22 sales
Semi-detached
£101,500
18 sales

Every recorded sale on Heol Islwyn

Individual transactions as recorded by HM Land Registry, newest first.

DateAddressTypeNew buildPrice
10 Oct 202513 · SA4 4LJTerraced—£142,000
21 Mar 202517 · SA4 4LJSemi-detached—£140,000
29 Nov 202425 · SA4 4LJTerraced—£165,000
17 Dec 20217 · SA4 4LJTerraced—£134,000
23 Jul 202111 · SA4 4LJTerraced—£104,950
10 Jun 202141 · SA4 4LJSemi-detached—£175,000
25 Jan 202127 · SA4 4LJnon-standardTerraced—£108,000
31 Jul 202021 · SA4 4LJnon-standardTerraced—£85,000
12 Dec 201929 · SA4 4LJTerraced—£103,000
4 Sept 201919 · SA4 4LJnon-standardTerraced—£98,000
4 Dec 20156 · SA4 4LJSemi-detached—£120,000
24 Jul 201513 · SA4 4LJTerraced—£84,000
28 Apr 20146 · SA4 4LJSemi-detached—£115,000
24 Jan 201441 · SA4 4LJSemi-detached—£125,000
21 Jun 201325 · SA4 4LJTerraced—£100,000
29 Jun 201229 · SA4 4LJTerraced—£84,000
18 Apr 20118 · SA4 4LJSemi-detached—£148,000
22 Oct 201039 · SA4 4LJSemi-detached—£114,000
18 May 201017 · SA4 4LJSemi-detached—£91,000
8 Jan 20103 · SA4 4LJTerraced—£100,000
22 May 200927 · SA4 4LJTerraced—£83,000
9 Apr 200929 · SA4 4LJTerraced—£89,000
12 Dec 200829 · SA4 4LJTerraced—£114,000
15 Apr 20084 · SA4 4LJSemi-detached—£112,000
27 Mar 200811 · SA4 4LJTerraced—£106,500
20 Apr 200723 · SA4 4LJSemi-detached—£117,000
20 Dec 200613 · SA4 4LJTerraced—£67,900
20 Oct 200631 · SA4 4LJTerraced—£118,000
6 Jan 200611 · SA4 4LJTerraced—£85,000
18 Nov 200519 · SA4 4LJTerraced—£92,000
12 Aug 20047 · SA4 4LJTerraced—£90,000
11 Jun 200429 · SA4 4LJTerraced—£99,995
8 Jul 200321 · SA4 4LJTerraced—£57,999
4 Jul 200337 · SA4 4LJSemi-detached—£83,000
21 Mar 200310 · SA4 4LJSemi-detached—£77,000
1 Nov 200217 · SA4 4LJSemi-detached—£51,250
20 Sept 20022 · SA4 4LJSemi-detached—£73,000
5 Jul 200211 · SA4 4LJTerraced—£49,950
30 Aug 200115 · SA4 4LJSemi-detached—£30,750
27 Jul 20018 · SA4 4LJSemi-detached—£68,000
27 Jul 200115 · SA4 4LJSemi-detached—£32,000
1 Jun 20014 · SA4 4LJSemi-detached—£45,500
8 Sept 200025 · SA4 4LJTerraced—£42,000

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.

Buying on Heol Islwyn?

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 SA4

Sold-price profiles for nearby streets, and the wider SA4 area guide.

Alexandra RoadFrampton RoadSwansea RoadTal Y CoedElm CrescentSix Mills AvenueFfordd Ger Y LlynHigh StreetFfordd CambriaWest StreetMoorland GreenCae Castell
SA4 house prices & 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.