123 Warner Road, London E17 7DX

Mid-Terrace flat · Built 1900-1929 · 63 m² · Owner-Occupied · Boiler and radiators, mains gas

Upgrade Plan

DC for £1,000 · £1,000 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Floor insulation£800 – £1,200£1258.0 yrs+4.2 pts · reaches C
Heating controls(optional, beyond C)£350 – £450£458.8 yrs+1.5 pts
Band A condensing boiler(optional, beyond C)£2,200 – £3,000£7734.0 yrs+2.6 pts
Solid wall insulation(optional, beyond C)£4,000 – £14,000£13550+ yrs+4.6 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

£985
per year at grade D
£604
per year at grade C

The full plan saves £125 a year — a 12.5% annual return on £1,000.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2019, states £619 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

4 December 2023£509,000
23 August 2019£456,000
17 November 2000£86,995

Estimated today: £518,397 HPI-indexed estimate, not a valuation

Warner Road: 540 sales since 1995 · £578,810 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
Mission Grove Primary SchoolPrimary0.2 mi
Stoneydown Park SchoolPrimary0.2 mi
St Patrick's Catholic Primary SchoolPrimary0.3 mi
Willowfield SchoolSecondary0.4 miProgress 8 -0.02 · average (2023/24)
Eden Girls' School, Waltham ForestSecondary0.7 miProgress 8 +0.94 · well above average (2023/24)
Walthamstow School for GirlsSecondary0.7 miProgress 8 +0.43 · 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.

41.9
crimes a month
461
in the last 12 months
Violence and sexual offences
most common · 22% of the total

Police.uk street-level data for LSOA E01004392, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Warner Road

How this home sits against its street.

263
graded homes
66.1
average score
C
most common grade
-1.1
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.