15 North Square, London NW11 7AD

End-Terrace house · Built 1930-1949 · 315 m² · Boiler and radiators, mains gas

Upgrade Plan

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MeasureGrantNet costSaving / yrPaybackGrade effect
Low energy lighting(optional, beyond E)£20 – £45typical£231.4 yrs+0.3 pts
Double glazing(optional, beyond E)£1,200 – £4,900typical£18716.3 yrs+2.7 pts

Grants verified 20 August 2026. Costs are the register’s indicative ranges, except where marked typical, which this certificate did not price and which are taken instead from comparable homes of the same type. 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

£4,416
per year at grade E
£4,206
per year at grade E

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2011, states £2,838 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

13 April 2015£3,300,000
4 June 1999£956,000

Estimated today: £4,249,134 HPI-indexed estimate, not a valuation

North Square: 22 sales since 1995 · £2,164,286 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
Garden Suburb Junior SchoolPrimary0.4 mi
Garden Suburb Infant SchoolPrimary0.4 mi
Brookland Junior SchoolPrimary0.5 mi
The Henrietta Barnett SchoolSecondaryunder 0.1 miProgress 8 +1.09 · well above average (2023/24)
Christ's College FinchleySecondary0.6 miProgress 8 +0.70 · well above average (2023/24)
Bishop Douglass School FinchleySecondary1.0 miProgress 8 +0.43 · 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.

9.7
crimes a month
97
in the last 12 months
Burglary
most common · 25% of the total

Police.uk street-level data for LSOA E01000209, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

North Square

How this home sits against its street.

13
graded homes
67.1
average score
C
most common grade
-16.1
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.