Upper Flat, 15 Highgate High Street, London N6 5JT

Mid-Terrace flat · Built 1900-1929 · 74 m² · Rented (Social) · Room heaters, LPG

Upgrade Plan

EC for £14,000 · £7,000 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Change of heating system£3,000 – £7,000£43311.5 yrs+24.7 pts · reaches D
Solid wall insulation£4,000 – £14,000£16450+ yrs+9.3 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

£1,616
per year at grade E
£1,019
per year at grade C

The full plan saves £597 a year — a 4.3% annual return on £14,000.

Energy costs as modelled on the certificate, not a bill. This fuel has too few recent certificates to restate at today's prices.

Sold prices

No sale recorded for this address since 1995.

Highgate High Street: 83 sales since 1995 · £963,235 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
St Michael's CofE Voluntary Aided Primary SchoolPrimary0.3 mi
St Joseph's Catholic Primary SchoolPrimary0.4 mi
Brookfield Primary SchoolPrimary0.5 mi
St Aloysius' CollegeSecondary0.4 miNot in the KS4 performance tables
La Sainte Union Catholic Secondary SchoolSecondary0.7 miProgress 8 +0.18 · average (2023/24)
City of London Academy, Highgate HillSecondary0.8 miProgress 8 +0.12 · 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.

15.7
crimes a month
157
in the last 12 months
Vehicle crime
most common · 20% of the total

Police.uk street-level data for LSOA E01000913, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Highgate High Street

How this home sits against its street.

61
graded homes
62.2
average score
D
most common grade
-18.2
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.