4 John Mill Close, Southampton SO16 9RY

Detached house · 2018 · 83 m² · Unknown · Boiler and radiators, mains gas

Upgrade Plan

BA for £9,500 · £9,500 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Solar photovoltaic panels£3,500 – £5,500£2650+ yrs+6.0 pts
Solar water heating£4,000 – £6,000£2150+ yrs+5.0 pts · reaches A

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

£543
per year at grade B
£496
per year at grade A

The full plan saves £47 a year — a 0.5% annual return on £9,500.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2020, states £343 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

No sale recorded for this address since 1995.

Schools nearby

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

SchoolPhaseDistanceProgress
Holy Family Catholic Primary School - Part of the Learning Federation Partnership of SchoolsPrimary0.2 mi
Mansel Park Primary & Nursery School - Part of the Learning Federation Partnership of SchoolsPrimary0.3 mi
Newlands Primary SchoolPrimary0.6 mi
Oasis Academy Lord's HillSecondary0.6 miProgress 8 -0.91 · well below average (2023/24)
Redbridge Community SchoolSecondary0.7 miProgress 8 -0.99 · well below average (2023/24)
Testwood SchoolSecondary1.3 miProgress 8 -1.01 · well 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.

16.1
crimes a month
177
in the last 12 months
Violence and sexual offences
most common · 38% of the total

Police.uk street-level data for LSOA E01017244, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.