21 Cadogan Gardens, London N3 2HN

Semi-Detached house · Built 1930-1949 · 105 m² · Boiler and radiators, mains gas

Upgrade Plan

Get upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Low energy lighting(optional, beyond D)£30£126.9 yrs+0.0 pts
Solar water heating(optional, beyond D)£4,000 – £6,000£2050+ yrs+0.5 pts
Solid wall insulation(optional, beyond D)£5,500 – £14,500£2850+ yrs+0.8 pts
Solar photovoltaic panels(optional, beyond D)£11,000 – £20,000£2450+ yrs+0.7 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

£1,671
per year at grade D
£1,599
per year at grade D

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2011, states £1,005 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

26 October 2018£827,000
9 December 2015£825,000

Estimated today: £933,051 HPI-indexed estimate, not a valuation

Schools nearby

No school in the register within reach of this postcode.

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