12 Downside Road, Winchester SO22 5LU

Detached house · Built 1930-1949 · 172 m² · Owner-Occupied · Boiler and radiators, mains gas

Upgrade Plan

DC for £9,095 · £9,095 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Floor insulation£800 – £1,200£2334.3 yrs+5.4 pts
Heating controls£350 – £450£854.7 yrs+2.0 pts
Low energy lighting£95£109.3 yrs+0.2 pts
Band A condensing boiler£2,200 – £3,000£14318.2 yrs+3.3 pts
Solar water heating£4,000 – £6,000£18127.6 yrs+4.2 pts · reaches C
Solar photovoltaic panels(optional, beyond C)£5,000 – £8,000£21630.1 yrs+5.0 pts

Grants verified 20 August 2026. Costs are the register’s indicative ranges. Savings are restated at the fuel prices assumed in July 2026. Points per measure are estimated from 19.9 million certificates and rescaled to this home’s own certificate delta; the total is the register’s figure.

Running costs

£2,580
per year at grade D
£1,712
per year at grade C

The full plan saves £652 a year — a 7.2% annual return on £9,095.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2017, states £1,711 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

17 November 2017£980,000

Estimated today: £1,112,862 HPI-indexed estimate, not a valuation

Downside Road: 22 sales since 1995 · £1,410,714 average over 10 years

Schools nearby

The schools’ own performance — Progress 8 shows value added, not just raw results.

SchoolPhaseDistanceProgress
Weeke Primary SchoolPrimary0.6 mi
Harestock Primary SchoolPrimary0.7 mi
Western Church of England Primary SchoolPrimary0.7 mi
Henry Beaufort SchoolSecondary0.9 miProgress 8 +0.34 · above average (2023/24)
Kings' SchoolSecondary1.0 miProgress 8 +0.36 · above average (2023/24)
Thornden SchoolSecondary5.5 miProgress 8 +0.74 · well above average (2023/24)

Schools from the DfE register, performance from the KS4 performance tables. Progress 8 is a GCSE measure, so primaries have none. Distance is straight-line from the postcode, not a catchment: admission is decided by the school, not by us.

Area context

Police-recorded crime for the wider neighbourhood, not this address. We grade homes, never neighbourhoods — so this is reported as a count, not a rating.

4.5
crimes a month
18
in the last 12 months
Violence and sexual offences
most common · 44% of the total

Police.uk street-level data for LSOA E01023248, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Downside Road

How this home sits against its street.

10
graded homes
71.2
average score
D
most common grade
-16.2
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.