21 Harbex Close, Bexley DA5 1NP

End-Terrace flat · Built 1967-1975 · 53 m² · Rented (Private) · Boiler and radiators, mains gas

Upgrade Plan

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MeasureGrantNet costSaving / yrPaybackGrade effect
Floor insulation(optional, beyond C)£4,000 – £6,000£6650+ 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

£602
per year at grade C
£536
per year at grade C

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2023, states £821 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

19 February 2016£260,000
28 September 2000£89,950

Estimated today: £304,035 HPI-indexed estimate, not a valuation

Harbex Close: 48 sales since 1995 · £308,556 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
Old Bexley Church of England SchoolPrimary0.6 mi
Gravel Hill Primary SchoolPrimary0.7 mi
Upton Primary SchoolPrimary0.8 mi
Beths Grammar SchoolSecondary0.1 miProgress 8 +0.53 · well above average (2023/24)
St Columba's Catholic Boys' SchoolSecondary0.6 miProgress 8 +0.04 · average (2023/24)
Townley Grammar SchoolSecondary0.6 miProgress 8 +0.66 · well 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.

15.5
crimes a month
171
in the last 12 months
Violence and sexual offences
most common · 33% of the total

Police.uk street-level data for LSOA E01000447, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Harbex Close

How this home sits against its street.

28
graded homes
66
average score
C
most common grade
+10.0
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.