1a Mortimer Square, London W11 4BY

End-Terrace flat · Built 1900-1929 · 63 m² · Rented (Private) · Boiler and radiators, mains gas

Upgrade Plan

DC for £7,700 · £7,700 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Floor insulation£1,200 – £200£1793.9 yrs+6.2 pts
Solid wall insulation£14,000 – £0£19336.2 yrs+6.8 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

£1,149
per year at grade D
£777
per year at grade C

The full plan saves £372 a year — a 4.8% annual return on £7,700.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2018, states £738 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

25 July 2000£190,000

Estimated today: £549,107 HPI-indexed estimate, not a valuation

Mortimer Square: 7 sales since 1995

Schools nearby

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

SchoolPhaseDistanceProgress
Avondale Park Primary SchoolPrimary0.1 mi
Saint Francis of Assisi Catholic Primary SchoolPrimary0.1 mi
St Clement and St James CofE Primary SchoolPrimary0.3 mi
Kensington Aldridge AcademySecondary0.3 miProgress 8 +0.13 · average (2023/24)
The Cardinal Vaughan Memorial RC SchoolSecondary0.5 miProgress 8 +1.00 · well above average (2023/24)
All Saints Catholic CollegeSecondary0.7 miProgress 8 +0.69 · 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.

105.2
crimes a month
1,157
in the last 12 months
Shoplifting
most common · 82% of the total

Police.uk street-level data for LSOA E01002870, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Mortimer Square

How this home sits against its street.

9
graded homes
63.8
average score
C
most common grade
-4.8
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.