Flat 3, Crown Lodge, London N3 3AF

Semi-Detached flat · Built 1967-1975 · 68 m² · Owner-Occupied · Boiler and radiators, mains gas

Upgrade Plan

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MeasureGrantNet costSaving / yrPaybackGrade effect
Cavity wall insulation(optional, beyond C)£500 – £1,500£1446.9 yrs+4.0 pts

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

£954
per year at grade C
£810
per year at grade C

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2022, states £562 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

28 October 2005£300,000
3 September 1998£235,000

Estimated today: £519,101 HPI-indexed estimate, not a valuation

Salisbury Avenue: 72 sales since 1995 · £754,615 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
Chalgrove Primary SchoolPrimary0.3 mi
Pardes House Primary SchoolPrimary0.3 mi
St Mary's CofE Primary SchoolPrimary0.5 mi
Hasmonean High School for BoysSecondary0.5 miProgress 8 +0.70 · well above average (2023/24)
Christ's College FinchleySecondary0.7 miProgress 8 +0.70 · well above average (2023/24)
Hendon SchoolSecondary1.0 miProgress 8 -0.13 · 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.

7.8
crimes a month
86
in the last 12 months
Anti-social behaviour
most common · 27% of the total

Police.uk street-level data for LSOA E01000200, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Salisbury Avenue

How this home sits against its street.

39
graded homes
67.4
average score
C
most common grade
+5.6
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.