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Get started20 Wales Street is a one-bedroom mid-terrace house in Winchester (SO23 0ET). It has a recorded floor area of 43 m² (around 463 sq ft) and construction records dating it to 1967-1975. The latest certificate (August 2020) shows a C (score 69), just inside the C band. The rating has held steady at C across 3 certificates since April 2009. Between certificates, lighting went from Very Poor to Very Good and main heating went from Average to Good; while wall efficiency dropped from Good to Average. At 43 m² this is the 6th smallest of 41 units on EPC record in the building, where floor areas span 35–161 m². The building's EPC ratings span E to B across 41 units on file.
Sale prices here have outpaced Winchester HPI: 1.8% per year against 0% for the wider region. Today's modelled estimate of £198,000 is 13.1% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£378/sq ft) was about 38.7% above the typical sold price in the postcode. At 43 m² it's 25.2% smaller than the typical home in the postcode (58 m² median across 40 EPCs). Most recent transfer: March 2021 at £175,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£198,000
Modelled from EPC, postcode comparables and a sale-price growth of 1.8% per year over 15 years.
£175,000
Growth on file: 1.8% per year over 15 years.
20 Wales Street outperforms the street on price per m² by a wide margin.
Price per m²
£4,070
Street avg £3,199
Floor Area
43 m²
Street avg 50 m²
Habitable Rooms
2 rooms
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
10/mo
Steady year-on-year across the wider district.
Nearest stop
0.3 km

Daytime· 07:00 – 23:00
49.8dB

Changes detected from historical EPC data
Windows upgraded, improving insulation
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
2 March 2021Most recent
£175,000
+23.2%over 10 years23 April 2010
£142,000
+6.0%over 4 years3 March 2006
£134,000
Median price across the last 5 sales in SO23 0ET: £300,000 (2025–2023).
Street avg 3 rooms
CO₂ Emissions
1.9 t/year
Street avg 2.5 t/year
SO23 0QW
Moss Road — bus stop.
Closest school
0.4 km
Winnall Primary School. 14 schools nearby.
Night-time· 23:00 – 07:00
40.6dB
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