6 Heol Caerllion, Cwmrhydyceirw, Swansea, SA6 6SD
About 6 Heol Caerllion
6 Heol Caerllion is a semi-detached house in Cwmrhydyceirw, Swansea, Swansea (SA6 6SD). It has a recorded floor area of 66 m² (around 710 sq ft), construction records dating it to 1950-1966 and council tax band C. The latest certificate (March 2021) shows a C (score 69), just inside the C band. When first surveyed in September 2013 the rating was E, the property has climbed 2 bands since. Between certificates, roof efficiency went from Poor to Very Good, hot-water efficiency went from Poor to Good and lighting went from Poor to Very Good. The recommended improvements would push it to B (score 85).
Today's modelled estimate of £198,000 is 46.7% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£190/sq ft) was about 34.7% above the typical sold price in the postcode. At 66 m² it's 22.4% smaller than the typical home in the postcode (85 m² median across 15 EPCs). Most recent transfer: July 2021 at £135,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Energy performance
EPC Rating
Certificate validity
Valid until 5 March 2031
Property Improvements
Changes detected from historical EPC data
Hot water system upgraded
Wall insulation upgraded
Loft insulation upgraded to recommended levels
More low energy lighting installed
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Planning history
6 Heol Caerllion has no planning applications on record.
But the area is active
5 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£198,000
Modelled from EPC, postcode comparables.
£135,000
Recorded with HM Land Registry.
Sales timeline
26 July 2021Most recent
£135,000
Median price across the last 5 sales in SA6 6SD: £164,000 (2022–2017).
Nearby sales in SA6 6SD
15 Heol Caerllion, Cwmrhydyceirw, Swansea, SA6 6SD
Sold Jun 2022
£164,00017 Heol Caerllion, Cwmrhydyceirw, Swansea, SA6 6SD
Sold Sept 2019
£140,00010 Heol Caerllion, Cwmrhydyceirw, Swansea, SA6 6SD
Sold Oct 2018
£140,00021 Heol Caerllion, Cwmrhydyceirw, Swansea, SA6 6SD
Sold Sept 2018
£172,00030 Heol Caerllion, Cwmrhydyceirw, Swansea, SA6 6SD
Sold Apr 2017
£187,000
Versus other Heol Caerllion homes
6 Heol Caerllion outperforms the street on price per m² by a wide margin.
Price per m²
£2,045
Street avg £1,682
Floor Area
66 m²
Street avg 91 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
2.5 t/year
Street avg 3.5 t/year
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The neighbourhood at a glance
Crime
210/mo
Falling year-on-year across the wider district.
Nearest stop
0.3 km
Butterslade Grove — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







