159 Pennymead, Harlow CM20 3JD

Mid-Terrace maisonette · Built 1950-1966 · 73 m² · Boiler and radiators, mains gas

Upgrade Plan

DC for £12,000 · £12,000 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Heating controls£400typical£468.6 yrs+1.6 pts
Band A condensing boiler£2,600typical£7833.1 yrs+2.7 pts
Solid wall insulation£9,000typical£13850+ yrs+4.7 pts · reaches C

Grants verified 20 August 2026. Costs are the register’s indicative ranges, except where marked typical, which this certificate did not price and which are taken instead from comparable homes of the same type. 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

£1,240
per year at grade D
£977
per year at grade C

The full plan saves £263 a year — a 2.2% annual return on £12,000.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2010, states £765 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

23 March 2004£100,000
31 May 2000£60,000

Estimated today: £161,786 HPI-indexed estimate, not a valuation

Pennymead: 184 sales since 1995 · £243,366 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
Cooks Spinney Primary Academy and NurseryPrimary0.4 mi
Church Langley Community Primary SchoolPrimary0.4 mi
Purford Green Primary SchoolPrimary0.5 mi
St Mark's West Essex Catholic SchoolSecondary0.8 miProgress 8 -0.04 · average (2023/24)
Passmores AcademySecondary0.8 miProgress 8 -0.67 · well below average (2023/24)
Burnt Mill AcademySecondary0.9 miProgress 8 -0.21 · 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.

17.1
crimes a month
188
in the last 12 months
Violence and sexual offences
most common · 40% of the total

Police.uk street-level data for LSOA E01021846, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Pennymead

How this home sits against its street.

211
graded homes
68.7
average score
C
most common grade
-6.7
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.