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Get started20 St Mary Street is a six-bedroom end-of-terrace house in Winchester (SO22 4AQ). It has a recorded floor area of 117 m² (around 1259 sq ft), construction records dating it to 1930-1949 and council tax band C. The latest certificate (March 2018) shows a C (score 74). The recommended improvements would push it to B (score 83).
Held since September 2007 — that's 19 years off the open market, well above the local norm. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. At 117 m² the property is well over the postcode median (80 m² across 27 EPCs), placing it in the larger end of the local stock. 6 bedrooms is on the larger side for this postcode, where 4 is the typical count. Today's modelled estimate of £527,000 sits 139.5% above the 2007 sale of £220,000. On a £-per-square-foot basis, the last sale (£175/sq ft) was about 25.8% below the postcode norm. 2 planning records sit against the property, 1 approved, 1 refused. Past consents include an extension, meaningful when judging how the property has evolved.
Council records include a two-storey extension at 20 St Mary Street.
Extension: Single storey · Side of property
(HOUSEHOLDER) Demolition of detached garage and erection of single storey side extension
The latest sale landed at the peak of the pre-credit-crunch market — a high-water reference point.
£527,000
Modelled from EPC, postcode comparables.
£220,000
Recorded with HM Land Registry.
On price per m², 20 St Mary Street runs well behind the street norm.
Price per m²
£1,880
Street avg £3,223
Floor Area
117 m²
Street avg 84 m²
Habitable Rooms
7 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

Extension: Two storey
(HOUSEHOLDER) Proposed two storey extension
19 September 2007Most recent
£220,000
Median price across the last 5 sales in SO22 4AQ: £352,500 (2024–2021).
Street avg 5 rooms
CO₂ Emissions
3.2 t/year
Street avg 3.2 t/year
SO22 4FH
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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