21 Holywell Row, Hackney, London EC2A 4JB

Mid-Terrace maisonette · Built 2012 onwards · 92 m² · Owner-Occupied · Room heaters, electric

Upgrade Plan

Get upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
High-retention storage heaters(optional, beyond C)£1,200 – £1,800£1947.7 yrs+5.5 pts
Shower heat recovery(optional, beyond C)£585 – £725£1640.5 yrs+0.5 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

£1,116
per year at grade C
£906
per year at grade C

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2023, states £984 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

No sale recorded for this address since 1995.

Holywell Row: 13 sales since 1995 · £1,554,286 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
St Monica's Catholic Primary SchoolPrimary0.4 mi
Virginia Primary SchoolPrimary0.4 mi
Prior Weston Primary School and Children's CentrePrimary0.5 mi
Central Foundation Boys' SchoolSecondary0.2 miProgress 8 +0.56 · well above average (2023/24)
Mulberry Academy ShoreditchSecondary0.6 miProgress 8 +0.01 · average (2023/24)
Haggerston SchoolSecondary0.8 miProgress 8 +0.16 · 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.

185.6
crimes a month
2,042
in the last 12 months
Theft from the person
most common · 22% of the total

Police.uk street-level data for LSOA E01033708, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Holywell Row

How this home sits against its street.

4
graded homes
69.5
average score
C
most common grade
+2.5
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.