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Get started17 Chalk Ridge is a mid-terrace house in Winchester (SO23 0QW). It has a recorded floor area of 107 m² (around 1152 sq ft), construction records dating it to 1976-1982 and council tax band D. The latest certificate (May 2023) shows a C (score 78), near the top of the C band. When first surveyed in May 2013 the rating was D, the property has climbed 1 band since. Between certificates, window efficiency went from Average to Good and lighting went from Poor to Very Good. The recommended improvements would push it to B (score 89).
Sale prices here have outpaced Winchester HPI: 5.8% per year against 0% for the wider region. Today's modelled estimate of £505,000 is 35.6% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£323/sq ft) was about 47.2% above the typical sold price in the postcode. 4 planning records sit against the property, 1 approved, 3 refused. Sold October 2021 for £372,500. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Council records show a subdivision application — the property's legal arrangement has been altered.
Replacement decking to rear of dwelling and retention of opening window to side elevation. (RETROSPECTIVE)
17 Chalk Ridge saw 3 transfers in just over a decade — high turnover for the postcode.
£505,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.8% per year over 8 years.
£372,500
Growth on file: 5.8% per year over 8 years.
17 Chalk Ridge outperforms the street on epc rating by a wide margin.
Price per m²
£3,481
Street avg £3,369
Floor Area
107 m²
Street avg 115 m²
Habitable Rooms
6 rooms
Street avg 6 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
Heating controls upgraded for better temperature management
Window efficiency improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
(RESUBMISSION) Conversion of existing dwelling into 2 no. two bed flats with parking
2 more applications for this property
Join to see all planning history.
15 October 2021Most recent
£372,500
+35.5%over 7 years2 May 2014
£275,000
+14.6%7 January 2014
£240,000
Median price across the last 5 sales in SO23 0QW: £585,000 (2025–2023).
CO₂ Emissions
2.4 t/year
Street avg 4.3 t/year
SO23 0EL
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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