20 Marion Road, Thornton Heath CR7 7AL

Semi-Detached flat · Built 1900-1929 · 74 m² · Rented (Private) · Boiler and radiators, mains gas

Upgrade Plan

DC for £9,000 · £9,000 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Solid wall insulation£4,000 – £14,000£28531.6 yrs+9.0 pts · reaches C

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

£1,256
per year at grade D
£971
per year at grade C

The full plan saves £285 a year — a 3.2% annual return on £9,000.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2018, states £793 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

10 October 2007£149,950
14 June 2002£95,950
10 May 2002£116,000
17 March 1998£42,000
30 January 1998£35,000

Estimated today: £205,231 HPI-indexed estimate, not a valuation

Marion Road: 42 sales since 1995 · £240,200 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
Whitehorse Manor Infant SchoolPrimary0.2 mi
Whitehorse Manor Junior SchoolPrimary0.2 mi
The Crescent Primary SchoolPrimary0.3 mi
St Mary's Catholic High SchoolSecondary1.0 miProgress 8 +0.29 · above average (2023/24)
Harris Academy South NorwoodSecondary1.0 miProgress 8 +0.45 · above average (2023/24)
Ark Blake AcademySecondary1.1 miAttainment 8 45.6 · no Progress 8 published

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.

8.7
crimes a month
96
in the last 12 months
Violence and sexual offences
most common · 33% of the total

Police.uk street-level data for LSOA E01001001, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Marion Road

How this home sits against its street.

44
graded homes
63
average score
D
most common grade
-3.0
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.