Flat D, 33 Mildmay Park, Islington, London N1 4NA

Semi-Detached flat · Built before 1900 · 64 m² · Rented (Private) · Boiler and radiators, mains gas

Upgrade Plan

D → C for £10,195 · £10,195 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Low energy lighting—£20£141.4 yrs+0.5 pts
Flat roof insulation—£850 – £1,500£2494.7 yrs+8.5 pts
Solid wall insulation—£4,000 – £14,000£35525.4 yrs+12.1 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

£1,255
per year at grade D
£637
per year at grade C

The full plan saves £618 a year — a 6.1% annual return on £10,195.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2021, states £780 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

15 October 2024£538,000
16 February 2024£660,000
25 January 2013£368,000
18 July 2011£437,500
7 January 2011£385,000
1 June 2010£310,000
4 June 2009£300,000
1 February 2008£425,000
12 April 2007£273,500
10 February 2006£250,000
28 September 2004£249,999
27 July 2001£159,000
24 October 1996£87,000
29 April 1996£76,500

Estimated today: £516,501 HPI-indexed estimate, not a valuation

Mildmay Park: 383 sales since 1995 · £598,579 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
Newington Green Primary SchoolPrimary0.2 mi—
Our Lady and St Joseph Catholic Primary SchoolPrimary0.3 mi—
St Matthias Church of England Primary SchoolPrimary0.4 mi—
City of London Academy Highbury GroveSecondary0.6 miProgress 8 +0.09 · average (2023/24)
The Excelsior AcademySecondary0.6 miProgress 8 +0.46 · above average (2023/24)
Stoke Newington School and Sixth FormSecondary0.7 miProgress 8 +0.28 · 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.

15
crimes a month
165
in the last 12 months
Violence and sexual offences
most common · 30% of the total

Police.uk street-level data for LSOA E01002776, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Mildmay Park

How this home sits against its street.

232
graded homes
72.6
average score
C
most common grade
-15.6
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.