1 Cefn Helyg, Sketty, Swansea, SA2 9GY
About 1 Cefn Helyg
1 Cefn Helyg is a three-bedroom detached house in Sketty, Swansea, Swansea (SA2 9GY). It has a recorded floor area of 97 m² (around 1044 sq ft), construction records dating it to 1991-1995 and council tax band E. The latest certificate (November 2020) shows a D (score 65), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since May 2009. Between certificates, roof efficiency went from Average to Good, hot-water efficiency went from Average to Good and lighting went from Average to Good. The recommended improvements would push it to C (score 80). The home occupies a corner plot.
Across 2003–2021, sale prices on this property compounded at 3.3% per year. Today's modelled estimate of £329,000 is 34.3% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£235/sq ft) was about 36% above the typical sold price in the postcode. At 97 m² it's 18.1% smaller than the typical home in the postcode (119 m² median across 10 EPCs). 3 bedrooms is on the smaller side for this postcode, where 5 is the typical count. Most recent transfer: March 2021 at £245,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
What this property has
Inside
- Bedrooms3
- Bathrooms3
Outside
- GarageYes
- Corner plotYes
Building
- Central heatingYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency improved
Loft insulation upgraded to recommended levels
More low energy lighting installed
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Planning history
1 Cefn Helyg has no planning applications on record.
But the area is active
2 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.
£329,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.3% per year over 18 years.
£245,000
Growth on file: 3.3% per year over 18 years.
Sales timeline
12 March 2021Most recent
£245,000
+25.6%over 11 years30 July 2009
£195,000
+41.3%over 5 years7 August 2003
£138,000
Median price across the last 5 sales in SA2 9GY: £310,000 (2025–2018).
Nearby sales in SA2 9GY
10 Cefn Helyg, Sketty, Swansea, SA2 9GY
Sold Apr 2025
£310,00016 Cefn Helyg, Sketty, Swansea, SA2 9GY
Sold Nov 2024
£425,00019 Cefn Helyg, Sketty, Swansea, SA2 9GY
Sold Apr 2024
£380,0002 Cefn Helyg, Sketty, Swansea, SA2 9GY
Sold Sept 2018
£230,00017 Cefn Helyg, Sketty, Swansea, SA2 9GY
Sold Sept 2018
£259,000
Versus other Cefn Helyg homes
Price per m²
£2,526
Street avg £2,503
Floor Area
97 m²
Street avg 104 m²
Habitable Rooms
6 rooms
Street avg 6 rooms
CO₂ Emissions
3.6 t/year
Street avg 4.3 t/year
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The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
6/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
Llwyn Mawr Road — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







