20 Windover Close, Southampton SO19 5JS

Detached house · Built 1967-1975 · 91 m² · Owner-occupied · Boiler and radiators, mains gas

Upgrade Plan

DC for £1,040 · £1,040 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Low energy lighting£40£312.4 yrs+0.2 pts
Floor insulation£800 – £1,200£7413.5 yrs+5.5 pts · reaches C
Solar water heating(optional, beyond C)£4,000 – £6,000£5750+ yrs+4.2 pts
Solar photovoltaic panels(optional, beyond C)£9,000 – £14,000£6850+ yrs+5.1 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

£1,265
per year at grade D
£1,062
per year at grade C

The full plan saves £77 a year — a 7.4% annual return on £1,040.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2012, states £747 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

30 April 2021£328,000
4 July 2013£249,000
31 July 2007£229,950

Estimated today: £377,650 HPI-indexed estimate, not a valuation

Windover Close: 21 sales since 1995 · £345,400 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
Thornhill Primary SchoolPrimary0.1 mi
Harefield Primary SchoolPrimary0.6 mi
Kanes Hill Primary SchoolPrimary0.6 mi
Woodlands Community CollegeSecondary0.6 miProgress 8 -0.89 · well below average (2023/24)
Oasis Academy SholingSecondary0.9 miProgress 8 -0.66 · well below average (2023/24)
Oasis Academy MayfieldSecondary1.4 miProgress 8 -0.37 · below 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.

8.9
crimes a month
98
in the last 12 months
Violence and sexual offences
most common · 51% of the total

Police.uk street-level data for LSOA E01017162, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Windover Close

How this home sits against its street.

13
graded homes
64.8
average score
D
most common grade
+0.2
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.