40b High Road, Southampton SO16 2JF

Detached flat · Built 1930-1949 · 88 m² · Boiler and radiators, mains gas

Upgrade Plan

FD for £3,318 · £1,659 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Cavity wall insulation£100 – £300£2900.7 yrs+7.7 pts · reaches E
Low energy lighting£18£171.1 yrs+0.4 pts
Loft insulation£100 – £300£1851.1 yrs+4.9 pts
Heating controls£350 – £450£1412.8 yrs+3.7 pts
Band A condensing boiler£1,500 – £3,500£23910.5 yrs+6.3 pts · reaches D

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

£2,449
per year at grade F
£1,577
per year at grade D

The full plan saves £872 a year — a 26.3% annual return on £3,318.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2012, states £1,486 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

No sale recorded for this address since 1995.

High Road: 31 sales since 1995 · £216,500 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
Mansbridge Primary SchoolPrimary0.5 mi
Bassett Green Primary SchoolPrimary0.5 mi
Swaythling Primary SchoolPrimary0.5 mi
Saint George Catholic Voluntary Aided College SouthamptonSecondary0.5 miProgress 8 +0.82 · well above average (2023/24)
Bitterne Park SchoolSecondary0.7 miProgress 8 -0.19 · average (2023/24)
Cantell SchoolSecondary0.8 miProgress 8 +0.21 · 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.

11.1
crimes a month
111
in the last 12 months
Violence and sexual offences
most common · 37% of the total

Police.uk street-level data for LSOA E01017267, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

High Road

How this home sits against its street.

27
graded homes
59.7
average score
C
most common grade
-25.7
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.