1 Cilonnen Road, Three Crosses, Swansea, SA4 3PH
About 1 Cilonnen Road
1 Cilonnen Road is a semi-detached house in Three Crosses, Swansea, Swansea (SA4 3PH). It has a recorded floor area of 91 m² (around 980 sq ft), construction records dating it to 1950-1966 and council tax band D. The latest certificate (August 2024) shows a D (score 67), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 83), a 2-band jump.
Most recent transfer was June 2025 at £375,000 — fresh data. At 91 m² it sits well below the postcode median (132 m² across 16 EPCs), making it one of the more compact homes locally. Across 1997–2025, sale prices on this property compounded at 5.8% per year. On a £-per-square-foot basis, the last sale (£383/sq ft) was about 106.2% above the typical sold price in the postcode.
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Certificate validity
Valid until 6 August 2034
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Planning history
1 Cilonnen Road has no planning applications on record.
But the area is active
4 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Price for 1 Cilonnen Road has grown more than fourfold since the 1997 starting point.
£392,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.8% per year over 28 years.
£375,000
Growth on file: 5.8% per year over 28 years.
Sales timeline
17 June 2025Most recent
£375,000
+400.0%over 28 years10 January 1997
£75,000
Median price across the last 5 sales in SA4 3PH: £395,000 (2025–2024).
Nearby sales in SA4 3PH
21 Cilonnen Road, Three Crosses, Swansea, SA4 3PH
Sold May 2025
£350,00019 Cilonnen Road, Three Crosses, Swansea, SA4 3PH
Sold Sept 2024
£395,0006 Cilonnen Road, Three Crosses, Swansea, SA4 3PH
Sold Jul 2024
£430,00011 Cilonnen Road, Three Crosses, Swansea, SA4 3PH
Sold Jun 2024
£355,0008 Cilonnen Road, Three Crosses, Swansea, SA4 3PH
Sold Mar 2024
£460,000
Versus other Cilonnen Road homes
Price per m² for 1 Cilonnen Road runs comfortably ahead of the street norm.
Price per m²
£4,121
Street avg £2,613
Floor Area
91 m²
Street avg 150 m²
Habitable Rooms
4 rooms
Street avg 6 rooms
CO₂ Emissions
3.4 t/year
Street avg 6.1 t/year
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The neighbourhood at a glance
Crime
160/mo
Falling year-on-year across the wider district.
Nearest stop
0.1 km
Pant Y Dwr — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







