11 Cornforth Road, Calmore, Southampton SO40 2TP

End-Terrace house · Built 1967-1975 · 76 m² · Owner-Occupied · Boiler and radiators, mains gas

Upgrade Plan

DB for £14,800 · £7,400 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Hot water cylinder insulation£200 – £400£595.1 yrs+4.1 pts · reaches C
Solar photovoltaic panels£3,500 – £5,500£6450+ yrs+4.4 pts
Floor insulation£4,000 – £6,000£6950+ yrs+4.8 pts
Solar water heating£4,000 – £6,000£5450+ yrs+3.7 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

£1,142
per year at grade D
£896
per year at grade B

The full plan saves £246 a year — a 1.7% annual return on £14,800.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2024, states £1,197 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

28 October 2024£285,000
15 October 2008£140,000
14 October 2002£123,000
24 April 1998£64,500

Estimated today: £278,740 HPI-indexed estimate, not a valuation

Cornforth Road: 24 sales since 1995 · £246,000 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
Calmore Infant SchoolPrimary0.1 mi
Calmore Junior SchoolPrimary0.1 mi
Oakfield AcademyPrimary0.5 mi
Testwood SchoolSecondary0.9 miProgress 8 -1.01 · well below average (2023/24)
Hounsdown SchoolSecondary1.7 miProgress 8 -0.21 · below average (2023/24)
Redbridge Community SchoolSecondary2.0 miProgress 8 -0.99 · 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.

10.4
crimes a month
114
in the last 12 months
Violence and sexual offences
most common · 42% of the total

Police.uk street-level data for LSOA E01023082, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Cornforth Road

How this home sits against its street.

6
graded homes
62.5
average score
D
most common grade
+3.5
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.