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Get started12 St Mary Street is a four-bedroom semi-detached house in Winchester (SO22 4AQ). It has a recorded floor area of 87 m² (around 936 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (February 2018) shows a C (score 69), just inside the C band. The recommended improvements would push it to B (score 84).
Sale prices here have outpaced Winchester HPI: 4.2% per year against 0% for the wider region. Today's modelled estimate of £445,000 sits 61.8% above the 2013 sale of £275,000. On a £-per-square-foot basis, the last sale (£294/sq ft) was about 24.7% above the typical sold price in the postcode. Last sold in December 2013, so it's been off the market for around 12 years. One planning record on file: an extension refused in 2014.
Council records include a two-storey rear extension at 12 St Mary Street.
Extension: Two storey · Rear of property
(HOUSEHOLDER) Two storey rear extension
12 St Mary Street saw 3 transfers in just over a decade — high turnover for the postcode.
£445,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.2% per year over 7 years.
£275,000
Growth on file: 4.2% per year over 7 years.
Price per m²
£3,161
Street avg £3,125
Floor Area
87 m²
Street avg 86 m²
Habitable Rooms
5 rooms
Street avg 5 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
47.5dB

6 December 2013Most recent
£275,000
+29.1%over 5 years24 October 2008
£213,000
+4.4%over 2 years15 August 2006
£204,000
Median price across the last 5 sales in SO22 4AQ: £352,500 (2024–2021).
CO₂ Emissions
3.0 t/year
Street avg 3.2 t/year
SO22 4LS
Stanmore Lane — bus stop.
Closest school
0.4 km
Stanmore Primary School. 15 schools nearby.
Night-time· 23:00 – 07:00
37.2dB
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