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Get startedChilvale is a five-bedroom semi-detached house in Winchester (SO23 0JD). It has a recorded floor area of 240 m² (around 2583 sq ft), construction records dating it to 1900-1929 and council tax band E. The latest certificate (October 2025) shows a C (score 69), just inside the C band. When first surveyed in June 2009 the rating was E, the property has climbed 2 bands since. Between certificates, window efficiency went from Very Poor to Poor, hot-water efficiency went from Good to Very Good and lighting went from Poor to Good; while roof efficiency dropped from Good to Average.
Held since October 2009 — that's 17 years off the open market, well above the local norm. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. Sale prices here have outpaced Winchester HPI: 7.9% per year against 0% for the wider region. Today's modelled estimate of £1,107,000 sits 108.9% above the 2009 sale of £530,000. On a £-per-square-foot basis, the last sale (£205/sq ft) was about 53% below the postcode norm. At 240 m² the property is well over the postcode median (173 m² across 8 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the top 10% of properties in this postcode. 2 planning records sit against the property, 1 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved.
Chilvale ranks among the most efficient homes in the postcode for energy use.
(MINOR AMENDMENT to Planning Permission 12/02631/FUL) (HOUSEHOLDER) Rear and side extension and new garage; addition of a wood burning stove chimney; the window(East) has been moved and width reduced; glass entrance screen & door has been added(front); configuration of the bin store has been revised.
Chilvale's estimated value is more than triple its earliest registered sale price (2001).
£1,107,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.9% per year over 8 years.
£530,000
Growth on file: 7.9% per year over 8 years.
Price per m² for Chilvale lags the street by a wide margin.
Price per m²
£2,208
Street avg £5,206
Floor Area
240 m²
Street avg 166 m²
Habitable Rooms
8 rooms
Crime
10/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
All Saints Church — bus stop.

Daytime· 07:00 – 23:00
53.3dB

Changes detected from historical EPC data
Hot water system upgraded
Window efficiency improved
Loft insulation upgraded to recommended levels
More low energy lighting installed
Solar PV panels (20 kWp) and Solar water heating installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
(HOUSEHOLDER) Rear and side extension and new garage
23 October 2009Most recent
£530,000
+89.3%over 8 years18 May 2001
£279,950
Median price across the last 5 sales in SO23 0JD: £800,000 (2021–2016).
Street avg 8 rooms
CO₂ Emissions
5.4 t/year
Street avg 8.2 t/year
SO23 0JX
Closest school
0.1 km
All Saints Church of England Primary School. 11 schools nearby.
Night-time· 23:00 – 07:00
44.1dB
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