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Get started25 Canon Street is a three-bedroom semi-detached house in Winchester (SO23 9JJ). It has a recorded floor area of 102 m² (around 1098 sq ft), construction records dating it to before 1900 and council tax band F. The latest certificate (May 2020) shows a D (score 56), a step below the typical UK home. The rating has held steady at D across 2 certificates since January 2011. Between certificates, wall efficiency went from Very Poor to Poor and lighting went from Very Poor to Very Good; while roof efficiency dropped from Average to Very Poor and window efficiency dropped from Poor to Very Poor. The recommended improvements would push it to C (score 76). Other recorded features include a conservatory.
Sale prices here have outpaced Winchester HPI: 6.2% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£865/sq ft) was about 98.1% above the typical sold price in the postcode. 5 planning records sit against the property, 4 approved, 1 refused. Past consents include an extension, a porch, new windows and a conservatory, meaningful when judging how the property has evolved. The record references listed-building consent, which constrain future alterations. At 102 m² it's 18.4% larger than the typical home in the postcode (86 m² median across 24 EPCs). Most recent transfer: November 2020 at £950,000.
25 Canon Street has 2 separate extension applications on the council record.
Extension: Front of property
Formation of a new first floor window, extension of existing ground floor porch and a replacement window
25 Canon Street has more than doubled in price since the earliest registered sale in 2004.
£919,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.2% per year over 17 years.
£950,000
Growth on file: 6.2% per year over 17 years.
25 Canon Street outperforms the street on price per m² by a wide margin.
Price per m²
£9,314
Street avg £5,998
Floor Area
102 m²
Street avg 95 m²
Habitable Rooms
6 rooms
Rail-style transport is unusually close for this postcode.
Crime
10/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
St. Thomas Church — bus stop.

Daytime· 07:00 – 23:00
49.2dB

Changes detected from historical EPC data
Wall insulation improved
More low energy lighting installed
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Extension: Rear of property
Conservatory to rear
3 more applications for this property
Join to see all planning history.
16 November 2020Most recent
£950,000
+171.4%over 16 years18 March 2004
£350,000
Median price across the last 5 sales in SO23 9JJ: £575,000 (2025–2022).
Street avg 4 rooms
CO₂ Emissions
5.3 t/year
Street avg 4.4 t/year
SO23 9JF
Closest school
0.9 km
St Bede Church of England Primary School. 16 schools nearby.
Night-time· 23:00 – 07:00
39.6dB
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