9 Locket Road, Harrow HA3 7LY

Semi-Detached house · Built 1900-1929 · 122 m² · Owner-Occupied · Boiler and radiators, mains gas

Upgrade Plan

EC for £22,695 · £11,348 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Low energy lighting£20£92.2 yrs+0.3 pts
Floor insulation£800 – £1,200£2074.8 yrs+6.3 pts
Flat roof insulation£850 – £1,500£1577.5 yrs+4.8 pts
Solar water heating£4,000 – £6,000£16131.1 yrs+4.9 pts · reaches D
Solar photovoltaic panels£5,000 – £8,000£19233.9 yrs+5.9 pts
Solid wall insulation£4,000 – £14,000£22440.1 yrs+6.8 pts · reaches C

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

£2,469
per year at grade E
£1,518
per year at grade C

The full plan saves £951 a year — a 4.2% annual return on £22,695.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2016, states £1,752 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

24 November 2016£535,000

Estimated today: £637,488 HPI-indexed estimate, not a valuation

Locket Road: 242 sales since 1995 · £421,237 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
Whitefriars SchoolAll-through0.3 miProgress 8 -0.10 · average (2023/24)
Belmont SchoolPrimary0.4 mi
St Joseph's Catholic Primary SchoolPrimary0.6 mi
The Sacred Heart Language CollegeSecondary0.2 miProgress 8 +0.56 · well above average (2023/24)
Salvatorian Roman Catholic CollegeSecondary0.3 miProgress 8 +0.45 · above average (2023/24)
Hatch End High SchoolSecondary1.2 miProgress 8 -0.03 · 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.

16.5
crimes a month
181
in the last 12 months
Violence and sexual offences
most common · 28% of the total

Police.uk street-level data for LSOA E01002233, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Locket Road

How this home sits against its street.

144
graded homes
61.4
average score
D
most common grade
-19.4
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.