103 Mountjoy House, Mountjoy Close, London EC2Y 8BP

Mid-Terrace flat · Built 1967-1975 · 74 m² · Rented (Private) · Electric underfloor heating

Upgrade Plan

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MeasureGrantNet costSaving / yrPaybackGrade effect
Hot water cylinder insulation(optional, beyond E)£15 – £30£970.2 yrs+2.0 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

£2,530
per year at grade E
£2,433
per year at grade E

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2020, states £1,645 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

4 September 2025£775,000
30 June 2006£432,778

Estimated today: £691,148 HPI-indexed estimate, not a valuation

Barbican: 2,970 sales since 1995 · £957,067 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
Prior Weston Primary School and Children's CentrePrimary0.2 mi
City of London Primary Academy, IslingtonPrimary0.3 mi
St Peter and St Paul Catholic Primary SchoolPrimary0.5 mi
Central Foundation Boys' SchoolSecondary0.6 miProgress 8 +0.56 · well above average (2023/24)
London Nautical, City of London AcademySecondary1.0 miNot in the KS4 performance tables
Haberdashers' Borough AcademySecondary1.1 miProgress 8 -0.23 · below 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.

17.8
crimes a month
196
in the last 12 months
Other theft
most common · 19% of the total

Police.uk street-level data for LSOA E01000001, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Barbican

How this home sits against its street.

939
graded homes
60.5
average score
D
most common grade
-13.5
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.