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Get startedWinton House is a four-bedroom detached house in Itchen Abbas, Winchester, Winchester (SO21 1AS). It has a recorded floor area of 180 m² (around 1938 sq ft), construction records dating it to 2007-2011 and council tax band G. The latest certificate (June 2022) shows a C (score 76), near the top of the C band. Earlier certificates rated it B (May 2010); the latest reading is one band lower. Between certificates, roof efficiency dropped from Very Good to Good and hot-water efficiency dropped from Very Good to Good. The recommended improvements would push it to B (score 84). Other recorded features include a conservatory. Period features are noted in the property record.
Sale prices here have outpaced Winchester HPI: 3.5% per year against 0% for the wider region. Today's modelled estimate of £1,062,000 is 13% above the 2023 sale price. On a £-per-square-foot basis, the last sale (£485/sq ft) was about 30.4% above the typical sold price in the postcode. 2 planning records sit against the property, 1 approved, 0 refused. Past consents include tree works, meaningful when judging how the property has evolved. Sold January 2023 for £940,000.
On the south facing wall of the property to replace a pair of ground floor full length 200cm x 150cm wooden French windows. In place of them, to extend the existing level of brickwork found under the side windows all the way across, so 60cm high and 150cm wide. Above this to install a single PVC window. Both the brickwork and new window would be in identical style and replicate the remainder of the existing property. The wooden French windows are also prone to rotting and offer notably poor insulation as the prevailing weather blows from the south west.
Winton House valuation sits well clear of the typical sold price in this postcode.
£1,062,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.5% per year over 8 years.
£940,000
Growth on file: 3.5% per year over 8 years.
Years Held for Winton House lags the street by a wide margin.
Price per m²
£5,222
Street avg £4,982
Floor Area
180 m²
Street avg 187 m²
Habitable Rooms
7 rooms
Street avg 7 rooms
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.3 km

Daytime· 07:00 – 23:00
44.6dB

Changes detected from historical EPC data
Hot water efficiency decreased
Wall insulation upgraded
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Maple (T1) - Fell because the tree has been over pruned and is of a low amenity value. Replant with one standard Corylus columa in a location close to the tree Maple (T2) - Fell because the tree has been over pruned and is of a low amenity value. Replant with one standard Corylus columa in a location close to the tree
31 January 2023Most recent
£940,000
+31.1%over 7 years26 February 2015
£717,000
Median price across the last 5 sales in SO21 1AS: £1,400,000 (2025–2020).
Bridge House Chillandham Lane Itchen Abbas Winchester
Sold Jul 2025
Chilland Rise Chillandham Lane Itchen Abbas Winchester
Sold Feb 2022
Westfield Chillandham Lane Itchen Abbas Winchester
Sold Aug 2021
Chillandham Cross Chillandham Lane Itchen Abbas Winchester
Sold Mar 2021
Mead Cottage Chillandham Lane Itchen Abbas Winchester
Sold Oct 2020
CO₂ Emissions
4.0 t/year
Street avg 6.4 t/year
SO21 1UA
Chilland Lane — bus stop.
Closest school
1.2 km
Itchen Abbas Primary School. 1 school nearby.
Night-time· 23:00 – 07:00
37.6dB
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