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Get started9 St Thomas Street is an eight-bedroom semi-detached house in Winchester (SO23 9HE). It has a recorded floor area of 748 m² (around 8051 sq ft), construction records dating it to before 1900 and council tax band H. It is a listed building, which means external alterations are tightly controlled but it may qualify for heritage tax reliefs. Other recorded features include a basement. The latest certificate (August 2022) shows a D (score 60), on the cusp of jumping into the C band. When first surveyed in October 2009 the rating was E, the property has climbed 1 band since. Between certificates, roof efficiency went from Average to Good and lighting went from Very Poor to Average; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good. The recommended improvements would push it to C (score 77).
Sale prices here have outpaced Winchester HPI: 3.7% per year against 0% for the wider region. Today's modelled estimate of £3,995,000 is 38.5% below the 2022 sale of £6,500,000, a rare downward gap that often correlates with deferred maintenance or unfinished works. On a £-per-square-foot basis, the last sale (£807/sq ft) was about 184.5% above the typical sold price in the postcode. At 748 m² the property is well over the postcode median (132 m² across 10 EPCs), placing it in the larger end of the local stock. 8 bedrooms is on the larger side for this postcode, where 4 is the typical count. 17 planning records sit against the property, 14 approved, 3 refused. Past consents include a basement excavation, an extension and tree works, meaningful when judging how the property has evolved. The record references listed-building consent, which constrain future alterations. Most recent transfer: September 2022 at £6,500,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
9 St Thomas Street's carbon output runs well above what efficient homes in the postcode produce.
9 St Thomas Street has multiple listed-building consents on file — alterations need formal heritage approval.
Boot room roof replacement to regularise completed works
Latest sale on 9 St Thomas Street was the highest on Land Registry record across the postcode.
£3,995,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.7% per year over 5 years.
£6,500,000
Growth on file: 3.7% per year over 5 years.
Years Held for 9 St Thomas Street lags the street by a wide margin.
Price per m²
£8,690
Street avg £4,323
Floor Area
748 m²
Street avg 127 m²
Habitable Rooms
15 rooms
Rail-style transport is unusually close for this postcode.
Crime
10/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
St. Thomas Church — bus stop.

Daytime· 07:00 – 23:00
50.7dB

Changes detected from historical EPC data
Hot water efficiency decreased
Roof insulation improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
Discharge of conditions 3 (basement damp alleviations), 4 (plaster method statement), 6 (fireplace schedule), and 8 (door joinery) of planning application ref 23/00267/HOU; Conditions 5 (flooring) and 7 (bathroom) not to be implemented
15 more applications for this property
Join to see all planning history.
6 September 2022Most recent
£6,500,000
+18.2%over 4 years31 January 2018
£5,500,000
Median price across the last 5 sales in SO23 9HE: £675,000 (2023–2017).
Street avg 5 rooms
CO₂ Emissions
28.0 t/year
Street avg 5.1 t/year
Closest school
0.6 km
St Bede Church of England Primary School. 16 schools nearby.
Night-time· 23:00 – 07:00
40.9dB
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