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Get started4 Chalk Ridge is a four-bedroom detached house in Winchester (SO23 0QW). It has a recorded floor area of 79 m² (around 850 sq ft), construction records dating it to 1950-1966 and council tax band E. The latest certificate (April 2018) shows a D (score 55), a step below the typical UK home. When first surveyed in October 2011 the rating was F, the property has climbed 2 bands since. Between certificates, roof efficiency went from Poor to Average, hot-water efficiency went from Poor to Good and lighting went from Average to Very Good. The recommended improvements would push it to C (score 76). The property has solar panels on record, all of which lower running costs and tend to lift resale appeal. Other recorded features include notable views.
Sale prices here have outpaced Winchester HPI: 6.5% per year against 0% for the wider region. Today's modelled estimate of £621,000 is 12.9% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£647/sq ft) was about 195.6% above the typical sold price in the postcode. At 79 m² it's 26.2% smaller than the typical home in the postcode (107 m² median across 23 EPCs). Sold December 2021 for £550,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
4 Chalk Ridge saw 3 transfers in just over a decade — high turnover for the postcode.
£621,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.5% per year over 10 years.
£550,000
Growth on file: 6.5% per year over 10 years.
Price per m² for 4 Chalk Ridge runs comfortably ahead of the street norm.
Price per m²
£6,962
Street avg £3,203
Floor Area
79 m²
Street avg 116 m²
Habitable Rooms
5 rooms
Crime
10/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Gordon Avenue — bus stop.

Daytime· 07:00 – 23:00
57.5dB

Changes detected from historical EPC data
Hot water system upgraded
Roof insulation improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
16 December 2021Most recent
£550,000
+74.6%over 6 years2 April 2015
£315,000
+5.0%over 2 years18 May 2012
£300,000
Median price across the last 5 sales in SO23 0QW: £585,000 (2025–2023).
Street avg 6 rooms
CO₂ Emissions
4.7 t/year
Street avg 4.2 t/year
SO23 0QB
Closest school
0.6 km
All Saints Church of England Primary School. 9 schools nearby.
Night-time· 23:00 – 07:00
48.9dB
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