21c Humber Road, Blackheath SE3 7LS

End-Terrace flat · Built 1900-1929 · 36 m² · Rented (Private) · Boiler and radiators, mains gas

Upgrade Plan

Get upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Draughtproofing(optional, beyond C)£150 – £250£623.2 yrs+2.6 pts
Solid wall insulation(optional, beyond C)£7,500 – £11,000£8050+ yrs+3.3 pts
Double glazing(optional, beyond C)£4,500 – £6,000£2750+ yrs+1.1 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

£576
per year at grade C
£407
per year at grade C

Energy costs as modelled on the certificate, not a bill.

Sold prices

21 February 2022£307,750
18 August 2006£201,000
22 January 2003£154,950
11 November 1996£54,500

Estimated today: £304,303 HPI-indexed estimate, not a valuation

Humber Road: 350 sales since 1995 · £772,464 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
Halstow Primary SchoolPrimary0.2 mi
St Joseph's Catholic Primary SchoolPrimary0.4 mi
Christ Church Church of England Primary SchoolPrimary0.4 mi
The John Roan SchoolSecondary0.3 miProgress 8 -0.29 · below average (2023/24)
Leigh Academy BlackheathSecondary0.8 miProgress 8 +0.22 · above average (2023/24)
St Ursula's Convent SchoolSecondary0.9 miProgress 8 +0.09 · 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.

10.5
crimes a month
116
in the last 12 months
Violence and sexual offences
most common · 34% of the total

Police.uk street-level data for LSOA E01001585, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Humber Road

How this home sits against its street.

168
graded homes
62.2
average score
D
most common grade
+10.8
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.