6 Cilonnen Road, Three Crosses, Swansea, SA4 3PH
About 6 Cilonnen Road
6 Cilonnen Road is a detached house in Three Crosses, Swansea, Swansea (SA4 3PH). It has a recorded floor area of 129 m² (around 1389 sq ft), construction records dating it to 1900-1929 and council tax band F. The latest certificate (November 2023) shows a C (score 79), near the top of the C band. When first surveyed in September 2010 the rating was D, the property has climbed 1 band since. Between certificates, roof efficiency went from Good to Very Good and window efficiency went from Average to Good; while lighting dropped from Very Good to Average. The recommended improvements would push it to B (score 90).
One planning record on file: an extension approved in 2008. Past consents include an extension, meaningful when judging how the property has evolved. Its energy rating outperforms most of the postcode (better than 75% of similar EPCs). Across 2013–2024, sale prices on this property compounded at 5.6% per year. On a £-per-square-foot basis, the last sale (£310/sq ft) was about 66.8% above the typical sold price in the postcode. Last sale on file: £430,000 in July 2024.
Energy performance
EPC Rating
Certificate validity
Valid until 17 November 2033
Property Improvements
Changes detected from historical EPC data
Window efficiency improved
Roof insulation improved
Low energy lighting percentage decreased
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and has been extended more than once, we believe a Level 3 building survey should be considered.
From £1,020 · Includes VAT
Planning history
6 Cilonnen Road has an approved single-storey rear extension on the planning record.
1 application on record at 6 Cilonnen Road, Three Crosses, Swansea, SA4 3PH
- Sept 2008ExtensionFullOutcome in report
Extension: Single storey · Rear of property
Single storey rear extension
- Documents
- 6 docs on file
- Reference
- 2008/1632
Unlock 6 Cilonnen Road, Three Crosses, Swansea, SA4 3PH's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 4 notable nearby
- The 6 documents, officer reports & conditions
- What the pattern means for extending or converting here
One time fee only - money back guarantee
Sales history & valuation
6 Cilonnen Road valuation sits well clear of the typical sold price in this postcode.
£460,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.6% per year over 11 years.
£430,000
Growth on file: 5.6% per year over 11 years.
Sales timeline
9 July 2024Most recent
£430,000
+79.2%over 10 years9 October 2013
£240,000
Median price across the last 5 sales in SA4 3PH: £375,000 (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
£395,00011 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
EPC Rating for 6 Cilonnen Road runs comfortably ahead of the street norm.
Price per m²
£3,333
Street avg £2,673
Floor Area
129 m²
Street avg 148 m²
Habitable Rooms
6 rooms
Street avg 6 rooms
CO₂ Emissions
3.0 t/year
Street avg 6.1 t/year
Similar properties nearby
1 Anchor Court, Penclawdd
SA4 3GX
1 Baytree Court, Gowerton
SA4 3AD
1 Cae Mansel Road, Gowerton
SA4 3HH
1 Abercedi, Penclawdd
SA4 3XB
1 Blaencedi, Penclawdd
SA4 3LU
1 Banc Bach, Penclawdd
SA4 3FJ
1 Ashley Court, Crofty
SA4 3SS
1 Bridge House, Banc Bach, Penclawdd
SA4 3FL
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.







