63 Porter Close, Grays RM20 4AS

End-Terrace flat · Built 1983-1990 · 42 m² · Owner-Occupied · Electric storage heaters

Upgrade Plan

Get upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
High-retention storage heaters(optional, beyond C)£800 – £1,200£1377.3 yrs+4.4 pts
Party wall insulation(optional, beyond C)£300 – £600£3811.9 yrs+1.2 pts
Shower heat recovery(optional, beyond C)£585 – £725£1150+ yrs+0.4 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

£877
per year at grade C
£691
per year at grade C

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2024, states £916 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

26 March 1999£23,000

Estimated today: £100,099 HPI-indexed estimate, not a valuation

Porter Close: 244 sales since 1995 · £132,288 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
Harris Primary Academy Chafford HundredPrimary0.5 mi
Harris Primary Academy MayflowerPrimary0.5 mi
West Thurrock AcademyPrimary0.7 mi
Harris Academy Chafford HundredSecondary0.5 miProgress 8 +1.04 · well above average (2023/24)
Thames Park Secondary SchoolSecondary1.0 miAttainment 8 46.4 · no Progress 8 published
Grays Convent High SchoolSecondary1.7 miProgress 8 +0.76 · 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.

100.2
crimes a month
1,102
in the last 12 months
Shoplifting
most common · 50% of the total

Police.uk street-level data for LSOA E01016011, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Porter Close

How this home sits against its street.

91
graded homes
63.8
average score
D
most common grade
+7.2
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.