4 Lon Alfa, Killay, Swansea, SA2 7DH
About 4 Lon Alfa
4 Lon Alfa is a three-bedroom detached house in Killay, Swansea, Swansea (SA2 7DH). It has a recorded floor area of 70 m² (around 753 sq ft), construction records dating it to 1996-2002 and council tax band E. The latest certificate (February 2015) shows a D (score 61), on the cusp of jumping into the C band. When first surveyed in May 2013 the rating was E, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Poor to Average and lighting went from Average to Good. The recommended improvements would lift it to B (score 84), a 2-band jump. The latest certificate is from February 2015, so improvements made since then won't be reflected. Other recorded features include a conservatory.
It changed hands recently, sold March 2025 for £275,000. Across 2016–2025, sale prices on this property compounded at 4.5% per year. On a £-per-square-foot basis, the last sale (£365/sq ft) was about 76.9% above the typical sold price in the postcode.
What this property has
Inside
- Bedrooms3
- Bathrooms2
- Dining roomYes
- EnsuiteYes
- ConservatoryYes
Outside
- Private gardenYes
- GarageYes
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 19 Feb 2025
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water system upgraded
Roof insulation improved
Floor insulation added or improved
More low energy lighting installed
Get a survey for this property
Level 2 HomeBuyer Report
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Planning history
4 Lon Alfa has no planning applications on record.
But the area is active
3 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Latest sale on 4 Lon Alfa was the highest on Land Registry record across the postcode.
£283,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.5% per year over 9 years.
£275,000
Growth on file: 4.5% per year over 9 years.
Sales timeline
7 March 2025Most recent
£275,000
+14.6%over 1 year17 August 2023
£240,000
+29.7%over 7 years17 February 2016
£185,000
Median price across the last 5 sales in SA2 7DH: £167,000 (2024–2011).
Nearby sales in SA2 7DH
Versus other Lon Alfa homes
4 Lon Alfa outperforms the street on price per m² by a wide margin.
Price per m²
£3,929
Street avg £2,373
Floor Area
70 m²
Street avg 72 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
3.4 t/year
Street avg 3.4 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
0.1 km
Lon Alfa — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







