16 Defender Road, Southampton SO19 7GH

Mid-Terrace house · Built 1950-1966 · 84 m² · Owner-Occupied · Room heaters, electric

Upgrade Plan

GB for £19,778 · £3,956 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Hot water cylinder insulation£15 – £30£4650.0 yrs+8.9 pts
Loft insulation£100 – £350£2590.9 yrs+4.9 pts · reaches F
Low energy lighting£30£241.3 yrs+0.5 pts
Change of heating system£3,000 – £7,000£1,5523.2 yrs+29.6 pts · reaches E
Solar photovoltaic panels£3,500 – £5,500£5048.9 yrs+9.6 pts · reaches D
Floor insulation£4,000 – £6,000£5449.2 yrs+10.4 pts · reaches C
Solar water heating£4,000 – £6,000£42211.8 yrs+8.1 pts · reaches B

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

£4,672
per year at grade G
£902
per year at grade B

The full plan saves £3,770 a year — a 19.1% annual return on £19,778.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2022, states £3,018 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

2 August 2022£180,000

Estimated today: £181,477 HPI-indexed estimate, not a valuation

Defender Road: 8 sales since 1995 · £195,100 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
St Patrick's Catholic Primary SchoolPrimary0.3 mi
Ludlow Infant AcademyPrimary0.3 mi
Woolston Infant SchoolPrimary0.3 mi
Oasis Academy SholingSecondary0.9 miProgress 8 -0.66 · well below average (2023/24)
Weston Secondary SchoolSecondary1.3 miProgress 8 -0.71 · well below average (2023/24)
Oasis Academy MayfieldSecondary1.5 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.

29
crimes a month
319
in the last 12 months
Violence and sexual offences
most common · 47% of the total

Police.uk street-level data for LSOA E01017219, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Defender Road

How this home sits against its street.

9
graded homes
57.7
average score
D
most common grade
-48.7
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.