11 Coombe Corner, London N21 3PE

Semi-Detached house · Built 1900-1929 · 89 m² · Boiler and radiators, mains gas

Upgrade Plan

Get upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Hot water cylinder insulation(optional, beyond E)£200 – £400£2910.2 yrs+0.8 pts
Heating controls(optional, beyond E)£350 – £450£1332.0 yrs+0.3 pts
Solar water heating(optional, beyond E)£4,000 – £6,000£2750+ yrs+0.7 pts
Solid wall insulation(optional, beyond E)£5,500 – £14,500£3750+ yrs+1.0 pts
Double glazing(optional, beyond E)£2,500 – £6,500£1250+ yrs+0.3 pts
Solar photovoltaic panels(optional, beyond E)£11,000 – £20,000£3250+ yrs+0.8 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

£1,879
per year at grade E
£1,729
per year at grade E

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2012, states £1,140 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

2 November 2021£790,000
13 June 2018£729,986
7 August 2015£710,000
20 December 2005£355,000
21 July 2000£236,500
6 January 1998£60,000

Estimated today: £833,016 HPI-indexed estimate, not a valuation

Coombe Corner: 18 sales since 1995 · £759,993 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
Highfield Primary SchoolPrimary0.2 mi
St Paul's CofE Primary SchoolPrimary0.3 mi
Firs Farm Primary SchoolPrimary0.7 mi
Winchmore SchoolSecondary0.3 miProgress 8 +0.13 · average (2023/24)
The Latymer SchoolSecondary1.1 miProgress 8 +0.74 · well above average (2023/24)
St Anne's Catholic High School for GirlsSecondary1.1 miProgress 8 +0.65 · 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.

13.9
crimes a month
153
in the last 12 months
Violence and sexual offences
most common · 37% of the total

Police.uk street-level data for LSOA E01001570, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Coombe Corner

How this home sits against its street.

7
graded homes
52.6
average score
E
most common grade
-2.6
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.