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Get started15 Byron Avenue is a semi-detached house in Winchester (SO22 5AT). It has a recorded floor area of 84 m² (around 904 sq ft), construction records dating it to 1967-1975 and council tax band D. The latest certificate (January 2019) shows a D (score 66), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since January 2009. Between certificates, window efficiency went from Average to Good and hot-water efficiency went from Average to Good; while roof efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 84), a 2-band jump.
At 84 m² it sits well below the postcode median (121 m² across 16 EPCs), making it one of the more compact homes locally.
Recommended upgrades on file would lift this property by multiple EPC bands.
15 Byron Avenue has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£493,000
Modelled from EPC, postcode comparables.
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
On floor area, 15 Byron Avenue runs well behind the street norm.
EPC Rating
66 (D)
Street avg 69 (D)
Floor Area
84 m²
Street avg 117 m²
CO₂ Emissions
3.3 t/year
Street avg 3.9 t/year
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km

Daytime· 07:00 – 23:00
48.5dB

Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system upgraded
Window efficiency improved
Are we missing something? Tell us about home improvements to help adjust your valuation.
Median price across the last 5 sales in SO22 5AT: £740,000 (2025–2021).
Habitable Rooms
4 rooms
Street avg 6 rooms
SO22 5LZ
Greenhill Road — bus stop.
Closest school
0.2 km
Western Church of England Primary School. 16 schools nearby.
Night-time· 23:00 – 07:00
39.8dB