20 Byron Way, Killay, Swansea, SA2 7EP
About 20 Byron Way
20 Byron Way is a two-bedroom mid-terrace house in Killay, Swansea, Swansea (SA2 7EP). It has a recorded floor area of 53 m² (around 570 sq ft), construction records dating it to 1991-1995 and council tax band C. The latest certificate (November 2021) shows a C (score 74). Earlier certificates rated it B (October 2009); the latest reading is one band lower. Between certificates, roof efficiency went from Good to Very Good and window efficiency went from Average to Good. The recommended improvements would push it to B (score 91).
Held since February 2010 — that's 16 years off the open market, well above the local norm. Across 1997–2010, sale prices on this property compounded at 7.1% per year. Today's modelled estimate of £177,000 is 45.7% above the 2010 sale price. On a £-per-square-foot basis, the last sale (£213/sq ft) was about 71.6% above the typical sold price in the postcode. 2 bedrooms is on the smaller side for this postcode, where 4 is the typical count.
What this property has
Inside
- Bedrooms2
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Window efficiency improved
Roof insulation improved
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Planning history
20 Byron Way 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
Sale price has at least doubled since 1997.
£177,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.1% per year over 13 years.
£121,500
Growth on file: 7.1% per year over 13 years.
Sales timeline
4 February 2010Most recent
£121,500
+140.6%over 12 years14 April 1997
£50,500
Median price across the last 5 sales in SA2 7EP: £227,000 (2024–2023).
Nearby sales in SA2 7EP
Versus other Byron Way homes
20 Byron Way outperforms the street on co₂ emissions by a wide margin.
Price per m²
£2,292
Street avg £2,243
Floor Area
53 m²
Street avg 63 m²
Habitable Rooms
3 rooms
Street avg 4 rooms
CO₂ Emissions
1.7 t/year
Street avg 2.1 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
Byron Way — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







