21 Dowsett Road, London N17 9DA

Mid-Terrace house · Built 1900-1929 · 101 m² · Owner-Occupied · Boiler and radiators, mains gas

Upgrade Plan

DB for £21,350 · £10,675 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Loft insulation£100 – £350£484.6 yrs+2.0 pts
Heating controls£350 – £450£3710.8 yrs+1.5 pts
Low energy lighting£50£411.2 yrs+0.2 pts
Cavity wall insulation£500 – £1,500£7613.2 yrs+3.2 pts · reaches C
Flat roof insulation£850 – £1,500£7715.2 yrs+3.2 pts
Solar photovoltaic panels£3,500 – £5,500£9447.8 yrs+3.9 pts
Solar water heating£4,000 – £6,000£7950+ yrs+3.3 pts
Solid wall insulation£4,000 – £14,000£11050+ yrs+4.6 pts · reaches B

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

£1,470
per year at grade D
£944
per year at grade B

The full plan saves £526 a year — a 2.5% annual return on £21,350.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2020, states £931 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

18 December 2020£521,000
1 October 2004£240,000
30 April 1999£99,995

Estimated today: £552,379 HPI-indexed estimate, not a valuation

Dowsett Road: 143 sales since 1995 · £448,667 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
The Mulberry Primary SchoolPrimaryunder 0.1 mi
Bruce Grove Primary SchoolPrimary0.2 mi
Holy Trinity CofE Primary SchoolPrimary0.4 mi
Duke's AldridgeSecondary0.7 miProgress 8 -0.06 · average (2023/24)
Gladesmore Community SchoolSecondary1.0 miProgress 8 -0.02 · average (2023/24)
Eden Girls' School, Waltham ForestSecondary1.1 miProgress 8 +0.94 · 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.

39.5
crimes a month
435
in the last 12 months
Violence and sexual offences
most common · 24% of the total

Police.uk street-level data for LSOA E01002077, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Dowsett Road

How this home sits against its street.

136
graded homes
65.8
average score
D
most common grade
-2.8
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.