11 Cilonnen Road, Three Crosses, Swansea, SA4 3PH
About 11 Cilonnen Road
11 Cilonnen Road is a semi-detached house in Three Crosses, Swansea, Swansea (SA4 3PH). It has a recorded floor area of 89 m² (around 958 sq ft), construction records dating it to 1950-1966 and council tax band E. The latest certificate (April 2024) shows an E (score 39), well below the UK norm with real room to improve. The recommended improvements would lift it to B (score 85), a 3-band jump. Main heating runs on electricity.
At 89 m² it sits well below the postcode median (132 m² across 16 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 75% of similar EPCs). On a £-per-square-foot basis, the last sale (£371/sq ft) was about 103.2% above the typical sold price in the postcode. Most recent transfer: June 2024 at £355,000.
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Certificate validity
Valid until 7 April 2034
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Planning history
11 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
11 Cilonnen Road valuation sits well clear of the typical sold price in this postcode.
£376,000
Modelled from EPC, postcode comparables.
£355,000
Recorded with HM Land Registry.
Sales timeline
13 June 2024Most recent
£355,000
Median price across the last 5 sales in SA4 3PH: £395,000 (2025–2024).
Nearby sales in SA4 3PH
1 Cilonnen Road, Three Crosses, Swansea, SA4 3PH
Sold Jun 2025
£375,00021 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
£430,0008 Cilonnen Road, Three Crosses, Swansea, SA4 3PH
Sold Mar 2024
£460,000
Versus other Cilonnen Road homes
11 Cilonnen Road is notably below the street on epc rating.
Price per m²
£3,989
Street avg £2,623
Floor Area
89 m²
Street avg 150 m²
Habitable Rooms
6 rooms
Street avg 6 rooms
CO₂ Emissions
5.3 t/year
Street avg 6.0 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.







