4 Howcroft Crescent, London N3 1PB

Semi-Detached house · Built 1950-1966 · 88 m² · Owner-Occupied · Warm air, mains gas

Upgrade Plan

EB for £23,948 · £7,983 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Hot water cylinder insulation£15 – £30£1500.1 yrs+5.3 pts
Draughtproofing£80 – £120£1480.7 yrs+5.3 pts · reaches D
Low energy lighting£50£86.5 yrs+0.3 pts
Floor insulation£800 – £6,000£17619.3 yrs+6.2 pts
Solar photovoltaic panels£3,500 – £5,500£16327.6 yrs+5.8 pts · reaches C
Warm air unit replacement£1,250 – £2,500£6230.0 yrs+2.2 pts
Solar water heating£4,000 – £6,000£13736.6 yrs+4.8 pts
Solid wall insulation£4,000 – £14,000£19047.3 yrs+6.8 pts · reaches B
Double glazing(optional, beyond B)£3,300 – £6,500£6450+ yrs+2.3 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

£1,925
per year at grade E
£827
per year at grade B

The full plan saves £1,034 a year — a 4.3% annual return on £23,948.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2020, states £1,213 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

7 June 2021£620,000

Estimated today: £674,127 HPI-indexed estimate, not a valuation

Howcroft Crescent: 75 sales since 1995 · £751,625 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
Moss Hall Junior SchoolPrimary0.3 mi
Moss Hall Infant SchoolPrimary0.3 mi
St Mary's CofE Primary SchoolPrimary0.5 mi
St Michael's Catholic Grammar SchoolSecondary0.6 miProgress 8 +0.98 · well above average (2023/24)
Bishop Douglass School FinchleySecondary1.1 miProgress 8 +0.43 · above average (2023/24)
Finchley Catholic High SchoolSecondary1.1 miProgress 8 +0.94 · 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.

8
crimes a month
80
in the last 12 months
Anti-social behaviour
most common · 29% of the total

Police.uk street-level data for LSOA E01000303, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Howcroft Crescent

How this home sits against its street.

40
graded homes
61.1
average score
D
most common grade
-12.1
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.