First Floor Flat, 56 Bonnington Square, London SW8 1TQ

Flat · Built before 1900 · 50 m² · Boiler and radiators, mains gas

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This certificate lists these measures but records the same score with and without them, so there is no saving or rating gain to attribute to any one of them. That usually means the assessment was incomplete — here the assessor recorded no heating system at all. The costs below are real; a fresh assessment would be the way to find the gain.

MeasureGrantNet costSaving / yrPaybackGrade effect
Double glazing£1,200 – £4,900typical
Solid wall insulation£9,000typical

Grants verified 20 August 2026. Costs are the register’s indicative ranges, except where marked typical, which this certificate did not price and which are taken instead from comparable homes of the same type.

Running costs

£802
per year at grade C

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2011, states £516 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

17 October 2011£390,000
16 June 2000£210,000

Estimated today: £604,500 HPI-indexed estimate, not a valuation

Bonnington Square: 90 sales since 1995 · £802,683 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
St Anne's Catholic Primary SchoolPrimaryunder 0.1 mi
St Mark's Church of England Primary SchoolPrimary0.1 mi
Ashmole Primary SchoolPrimary0.3 mi
Lilian Baylis Technology SchoolSecondary0.1 miProgress 8 +0.01 · average (2023/24)
Platanos CollegeSecondary0.7 miProgress 8 -0.22 · below average (2023/24)
Pimlico AcademySecondary0.8 miProgress 8 +0.27 · 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.

82.7
crimes a month
910
in the last 12 months
Theft from the person
most common · 33% of the total

Police.uk street-level data for LSOA E01003102, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Bonnington Square

How this home sits against its street.

130
graded homes
67
average score
D
most common grade
+4.0
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.