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).
At 66 m² it's 22.4% smaller than the typical home in the postcode (85 m² median across 14 EPCs). Its energy rating outperforms most of the postcode (better than 71% of similar EPCs). Today's modelled estimate of £200,000 is 48.1% 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. 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
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.
£200,000
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 3.6 t/year
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The neighbourhood at a glance
Crime
2/mo
Steady 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.







