31 Hillside, Harlow CM17 9BJ

Semi-Detached house · Built 1930-1949 · 93 m² · Owner-Occupied · Room heaters, electric

Upgrade Plan

GB for £26,523 · £5,305 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Hot water cylinder insulation£15 – £30£3470.1 yrs+7.8 pts · reaches F
Floor insulation£800 – £1,200£4062.5 yrs+9.1 pts
Change of heating system£3,000 – £7,000£1,1594.3 yrs+25.9 pts · reaches D
Solar water heating£4,000 – £6,000£31515.9 yrs+7.0 pts
Solar photovoltaic panels£5,000 – £8,000£37617.3 yrs+8.4 pts · reaches C
Solid wall insulation£4,000 – £14,000£43920.5 yrs+9.8 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

£4,174
per year at grade G
£1,131
per year at grade B

The full plan saves £3,043 a year — a 11.5% annual return on £26,523.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2015, states £2,354 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

30 November 2015£280,000
28 September 2007£249,995
16 January 1998£72,000

Estimated today: £380,304 HPI-indexed estimate, not a valuation

Hillside: 37 sales since 1995 · £376,981 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
Potter Street AcademyPrimary0.3 mi
Henry Moore Primary SchoolPrimary0.5 mi
Holy Cross Catholic Primary School, HarlowPrimary0.6 mi
Passmores AcademySecondary0.5 miProgress 8 -0.67 · well below average (2023/24)
St Mark's West Essex Catholic SchoolSecondary1.4 miProgress 8 -0.04 · average (2023/24)
Mark Hall AcademySecondary1.6 miProgress 8 -0.82 · 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
crimes a month
110
in the last 12 months
Violence and sexual offences
most common · 47% of the total

Police.uk street-level data for LSOA E01021835, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Hillside

How this home sits against its street.

25
graded homes
61.2
average score
D
most common grade
-44.2
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.