2 Dekker Road, London SE21 7DL

Mid-Terrace house · Built 1900-1929 · 61 m² · Owner-Occupied · Boiler and radiators, mains gas

Upgrade Plan

DB for £17,340 · £8,670 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Draughtproofing£120£482.5 yrs+3.9 pts
Low energy lighting£20£28.0 yrs+0.2 pts
Floor insulation£1,200 – £200£5712.3 yrs+4.6 pts
Solar photovoltaic panels£5,500 – £500£5350+ yrs+4.2 pts · reaches C
Solar water heating£6,000 – £0£4450+ yrs+3.5 pts
Solid wall insulation£14,000 – £0£6250+ yrs+4.9 pts
Double glazing£6,500 – £500£2150+ yrs+1.7 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

£1,120
per year at grade D
£833
per year at grade B

The full plan saves £287 a year — a 1.7% annual return on £17,340.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2020, states £717 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

No sale recorded for this address since 1995.

Schools nearby

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

SchoolPhaseDistanceProgress
Dulwich Hamlet Junior SchoolPrimary0.2 mi
Dulwich Village Church of England Infants' SchoolPrimary0.2 mi
Harris Primary Academy East DulwichPrimary0.4 mi
The Charter School North DulwichSecondary0.5 miProgress 8 +0.80 · well above average (2023/24)
The Charter School East DulwichSecondary0.6 miProgress 8 +0.19 · average (2023/24)
Harris Boys' Academy East DulwichSecondary0.9 miProgress 8 +0.98 · 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.

13.3
crimes a month
133
in the last 12 months
Vehicle crime
most common · 26% of the total

Police.uk street-level data for LSOA E01004075, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.