21 Heath Road North, Locks Heath, Southampton SO31 7PP

Semi-Detached house · Built 1967-1975 · 143 m² · Owner-occupied · Boiler and radiators, LPG

Upgrade Plan

FD for £18,455 · £9,228 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
High-performance doors£1,000 – £0£1493.3 yrs+5.2 pts
Heating controls£350 – £450£685.9 yrs+2.4 pts · reaches E
Low energy lighting£55£86.7 yrs+0.3 pts
Cavity wall insulation£500 – £1,500£1407.2 yrs+4.9 pts
Solar water heating£4,000 – £6,000£14534.5 yrs+5.1 pts
Solar photovoltaic panels£9,000 – £14,000£17350+ yrs+6.1 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

£2,342
per year at grade F
£1,659
per year at grade D

The full plan saves £683 a year — a 3.7% annual return on £18,455.

Energy costs as modelled on the certificate, not a bill. This fuel has too few recent certificates to restate at today's prices.

Sold prices

3 November 2006£246,000
20 May 1999£102,000

Estimated today: £441,897 HPI-indexed estimate, not a valuation

Heath Road North: 67 sales since 1995 · £416,778 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
Sarisbury Infant SchoolPrimary0.4 mi
Sarisbury Church of England Junior SchoolPrimary0.7 mi
Park Gate Primary SchoolPrimary0.7 mi
Brookfield Community SchoolSecondary0.2 miProgress 8 +0.40 · above average (2023/24)
The Hamble SchoolSecondary2.1 miProgress 8 -0.18 · average (2023/24)
The Henry Cort Community CollegeSecondary2.7 miProgress 8 -0.56 · 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.

7.1
crimes a month
71
in the last 12 months
Violence and sexual offences
most common · 59% of the total

Police.uk street-level data for LSOA E01022755, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Heath Road North

How this home sits against its street.

28
graded homes
61.4
average score
D
most common grade
-29.4
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.