Flat 1, 12 Mortlake Road, Richmond TW9 3JA

End-Terrace flat · Built before 1900 · 129 m² · Owner-Occupied · Boiler and radiators, mains gas

Upgrade Plan

Get upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Flat roof insulation(optional, beyond C)£850 – £1,500£1388.5 yrs+2.5 pts
Solid wall insulation(optional, beyond C)£4,000 – £14,000£19745.7 yrs+3.5 pts

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

£1,497
per year at grade C
£1,162
per year at grade C

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2023, states £2,066 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

22 July 2024£1,225,000
29 January 2018£800,000
24 June 1997£58,500

Estimated today: £1,239,744 HPI-indexed estimate, not a valuation

Mortlake Road: 197 sales since 1995 · £1,297,910 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
The King's Church of England Primary SchoolPrimary0.1 mi
Strand-on-the-Green Junior SchoolPrimary0.4 mi
Strand-on-the-Green Infant and Nursery SchoolPrimary0.4 mi
Brentford School for GirlsSecondary1.0 miProgress 8 +0.25 · above average (2023/24)
Chiswick SchoolSecondary1.1 miProgress 8 +0.45 · above average (2023/24)
Gunnersbury Catholic SchoolSecondary1.5 miProgress 8 +0.99 · 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.

8.1
crimes a month
89
in the last 12 months
Vehicle crime
most common · 42% of the total

Police.uk street-level data for LSOA E01003851, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Mortlake Road

How this home sits against its street.

108
graded homes
56.8
average score
D
most common grade
+12.2
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.