8 The Leys, Harrow HA3 9SP

Semi-Detached house · Built 1930-1949 · 153 m² · Owner-Occupied · Boiler and radiators, mains gas

Upgrade Plan

CB for £20,725 · £20,725 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Loft insulation£100 – £350£435.3 yrs+1.8 pts
Solar water heating£4,000 – £6,000£7050+ yrs+2.9 pts
Solar photovoltaic panels£5,000 – £8,000£8350+ yrs+3.4 pts
Solid wall insulation£4,000 – £14,000£9750+ yrs+4.0 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

£1,491
per year at grade C
£1,199
per year at grade B

The full plan saves £292 a year — a 1.4% annual return on £20,725.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2018, states £961 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

17 April 2026£612,000
25 June 2021£825,000
11 April 2008£375,000
29 November 2007£325,000

Estimated today: £608,264 HPI-indexed estimate, not a valuation

The Leys: 16 sales since 1995 · £616,400 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
Uxendon Manor Primary SchoolPrimary0.3 mi
Sinai Jewish Primary SchoolPrimary0.4 mi
St Bernadette's Catholic Primary SchoolPrimary0.5 mi
Claremont High SchoolSecondary0.3 miProgress 8 +0.59 · well above average (2023/24)
JFSSecondary0.4 miProgress 8 +1.16 · well above average (2023/24)
St Gregory's Catholic Science CollegeSecondary0.5 miProgress 8 +0.73 · 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.

15.2
crimes a month
167
in the last 12 months
Violence and sexual offences
most common · 34% of the total

Police.uk street-level data for LSOA E01033463, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

The Leys

How this home sits against its street.

7
graded homes
56.6
average score
C
most common grade
+15.4
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.