23 Warwick Road, London SE20 7YN

Mid-Terrace house · Built 1930-1949 · 152 m² · Owner-Occupied · Boiler and radiators, mains gas

Upgrade Plan

CB for £15,675 · £15,675 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Cavity wall insulation£500 – £1,500£8112.3 yrs+2.3 pts
Flat roof insulation£850 – £1,500£8214.3 yrs+2.4 pts
Solar photovoltaic panels£3,500 – £5,500£10044.8 yrs+2.9 pts
Solid wall insulation£4,000 – £14,000£11750+ yrs+3.4 pts · reaches B

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

£1,915
per year at grade C
£1,534
per year at grade B

The full plan saves £381 a year — a 2.4% annual return on £15,675.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2024, states £2,146 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

25 July 2024£775,000
5 September 2001£168,000

Estimated today: £819,963 HPI-indexed estimate, not a valuation

Warwick Road: 1,047 sales since 1995 · £727,589 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
Stewart Fleming Primary SchoolPrimary0.2 mi
St Mark's Church of England Primary AcademyPrimary0.5 mi
St Anthony's Catholic Primary SchoolPrimary0.5 mi
Harris Academy South NorwoodSecondary0.6 miProgress 8 +0.45 · above average (2023/24)
Oasis Academy ArenaSecondary0.7 miProgress 8 -0.50 · below average (2023/24)
Harris City Academy Crystal PalaceSecondary0.9 miProgress 8 +0.24 · 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.

8.9
crimes a month
89
in the last 12 months
Violence and sexual offences
most common · 29% of the total

Police.uk street-level data for LSOA E01000704, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Warwick Road

How this home sits against its street.

881
graded homes
66
average score
C
most common grade
+6.0
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.