159 Altham Grove, Harlow CM20 2PN

End-Terrace house · Built 1967-1975 · 96 m² · Owner-occupied · Boiler and radiators, mains gas

Upgrade Plan

DB for £20,523 · £10,261 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Hot water cylinder insulation£15 – £30£640.4 yrs+3.2 pts
Floor insulation£800 – £1,200£7513.4 yrs+3.7 pts · reaches C
Heating controls£350 – £450£2714.7 yrs+1.4 pts
Band A condensing boiler£2,200 – £3,000£4650+ yrs+2.3 pts
Solar water heating£4,000 – £6,000£5850+ yrs+2.9 pts
Solar photovoltaic panels£9,000 – £14,000£6950+ yrs+3.5 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

£1,394
per year at grade D
£1,056
per year at grade B

The full plan saves £338 a year — a 1.6% annual return on £20,523.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2014, states £966 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

19 June 2020£305,000
30 June 2015£230,000
12 October 1995£64,000

Estimated today: £356,199 HPI-indexed estimate, not a valuation

Altham Grove: 199 sales since 1995 · £298,275 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
St Alban's Catholic AcademyPrimary0.2 mi
Freshwaters Primary AcademyPrimary0.5 mi
Tany's Dell Primary School and NurseryPrimary0.5 mi
Burnt Mill AcademySecondary0.1 miProgress 8 -0.21 · below average (2023/24)
Bmat Stem AcademySecondary0.7 miProgress 8 -1.68 · well below average (2023/24)
Mark Hall AcademySecondary1.0 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.

27.5
crimes a month
302
in the last 12 months
Violence and sexual offences
most common · 29% of the total

Police.uk street-level data for LSOA E01021853, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Altham Grove

How this home sits against its street.

152
graded homes
66.1
average score
C
most common grade
-2.1
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.