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Get started19 Byron Avenue is a four-bedroom detached house in Winchester (SO22 5AT). It has a recorded floor area of 122 m² (around 1313 sq ft), construction records dating it to 1967-1975 and council tax band E. The latest certificate (September 2013) shows a D (score 66), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 82), a 2-band jump. The latest certificate is from September 2013, so improvements made since then won't be reflected.
Sale prices here have outpaced Winchester HPI: 8.2% per year against 0% for the wider region. Today's modelled estimate of £734,000 is 33.5% above the 2014 sale price. On a £-per-square-foot basis, the last sale (£419/sq ft) was about 32.8% above the typical sold price in the postcode. Last changed hands 12 years ago, in February 2014. Across the public record there are 4 sales, relatively high churn for a single property. One planning record on file: an extension approved in 2014. Past consents include an extension, a garage conversion, a conservatory and new windows, meaningful when judging how the property has evolved.
Recommended upgrades on file would lift this property by multiple EPC bands.
This certificate is over 10 years old and is no longer valid.Expired 04 Sept 2023
Extension: Single storey · Rear of property
(HOUSEHOLDER) Removal of existing conservatory, part conversion of attached garage to create living accommodation at ground floor, first floor side extension incorporating 1 no. roof light, single storey rear extension, relocation of front door and new entrance canopy and replacement window to rear
Sale price has grown by over 3x since 1999.
£734,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.2% per year over 15 years.
£550,000
Growth on file: 8.2% per year over 15 years.
On habitable rooms, 19 Byron Avenue stands well clear of the street.
Price per m²
£4,508
Street avg £4,769
Floor Area
122 m²
Street avg 115 m²
Habitable Rooms
7 rooms
Street avg 6 rooms
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

7 February 2014Most recent
£550,000
+65.2%over 9 years27 May 2004
£333,000
+2.8%over 10 months31 July 2003
£324,000
+85.1%over 3 years5 August 1999
£175,000
Median price across the last 5 sales in SO22 5AT: £740,000 (2025–2021).
CO₂ Emissions
4.2 t/year
Street avg 3.8 t/year
SO22 5NQ
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
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