Flat 2, 25 High Street, London SE20 7HJ

Mid-Terrace flat · Built 1900-1929 · 60 m² · Owner-Occupied · Boiler and radiators, mains gas

Upgrade Plan

Get upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Solid wall insulation(optional, beyond C)£4,000 – £14,000£11250+ yrs+4.0 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

£861
per year at grade C
£749
per year at grade C

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2022, states £517 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

28 February 2023£350,000
30 January 2018£275,000
31 March 2005£125,000
26 April 2001£60,000

Estimated today: £336,893 HPI-indexed estimate, not a valuation

High Street: 2,535 sales since 1995 · £402,690 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
Harris Primary Academy Crystal PalacePrimary0.1 mi
St John's Church of England Primary SchoolPrimary0.2 mi
Alexandra Junior SchoolPrimary0.5 mi
Harris Girls Academy BromleySecondary0.7 miProgress 8 +0.99 · well above average (2023/24)
Harris City Academy Crystal PalaceSecondary0.9 miProgress 8 +0.24 · above average (2023/24)
Forest Hill SchoolSecondary1.1 miProgress 8 +0.30 · 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.

19.5
crimes a month
214
in the last 12 months
Anti-social behaviour
most common · 29% of the total

Police.uk street-level data for LSOA E01000806, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

High Street

How this home sits against its street.

2,740
graded homes
72.5
average score
B
most common grade
-2.5
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.