Flat 19, 27 Onslow Square, London SW7 3NH

Enclosed Mid-Terrace flat · Built 1950-1966 · 83 m² · Owner-Occupied · Community scheme

Upgrade Plan

This certificate lists no outstanding recommendations.

Running costs

£860
per year at grade C

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2022, states £518 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

28 June 2007£930,000
25 May 2006£725,000

Estimated today: £1,424,645 HPI-indexed estimate, not a valuation

Onslow Square: 429 sales since 1995 · £2,187,439 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
Oratory Roman Catholic Primary SchoolPrimary0.2 mi
Our Lady of Victories RC Primary SchoolPrimary0.3 mi
Marlborough Primary SchoolPrimary0.3 mi
St. Thomas More Language CollegeSecondary0.5 miAttainment 8 45.9 · no Progress 8 published
The London Oratory SchoolSecondary1.1 miProgress 8 +0.62 · well above average (2023/24)
Chelsea AcademySecondary1.1 miProgress 8 +0.23 · 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.

43.6
crimes a month
480
in the last 12 months
Other theft
most common · 39% of the total

Police.uk street-level data for LSOA E01002821, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Onslow Square

How this home sits against its street.

230
graded homes
65.3
average score
C
most common grade
+9.7
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.