Flat 5, 3 St. Helens Parade, Southsea PO4 0RW

Semi-Detached maisonette · Built before 1900 · 111 m² · Owner-Occupied · Boiler and radiators, mains gas

Upgrade Plan

Get upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Cavity wall insulation(optional, beyond D)—£500 – £1,500£6415.6 yrs+1.0 pts

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

£1,417
per year at grade D
£1,353
per year at grade D

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2020, states £907 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

5 March 2021£468,000
6 July 2017£350,000
16 August 2010£305,000
30 May 2006£320,000
10 November 2000£70,000
30 April 1997£57,550

Estimated today: £484,138 HPI-indexed estimate, not a valuation

St Helens Parade: 152 sales since 1995 · £477,225 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
Craneswater Junior SchoolPrimary0.4 mi—
St Swithun's Catholic Primary SchoolPrimary0.4 mi—
Southsea Infant SchoolPrimary0.5 mi—
Priory SchoolSecondary1.0 miProgress 8 -0.55 · well below average (2023/24)
Ark Charter AcademySecondary1.2 miProgress 8 -0.32 · below average (2023/24)
St Edmund's Catholic SchoolSecondary1.4 miProgress 8 +0.66 · well 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.

22.1
crimes a month
243
in the last 12 months
Shoplifting
most common · 36% of the total

Police.uk street-level data for LSOA E01017073, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

St Helens Parade

How this home sits against its street.

108
graded homes
68.6
average score
C
most common grade
-3.6
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.