178 Clarence Avenue, New Malden KT3 3DX

Semi-Detached house · Built 1930-1949 · 120 m² · Boiler and radiators, mains gas

Upgrade Plan

DC for £1,660 · £1,660 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Loft insulation£225typical£892.5 yrs+2.4 pts
Low energy lighting£20 – £50typical£84.3 yrs+0.2 pts
Heating controls£400typical£685.9 yrs+1.9 pts
Cavity wall insulation£1,000typical£1407.1 yrs+3.8 pts · reaches C
Solar photovoltaic panels(optional, beyond C)£4,500 – £9,000typical£17338.9 yrs+4.7 pts

Grants verified 20 August 2026. Costs are the register’s indicative ranges, except where marked typical, which this certificate did not price and which are taken instead from comparable homes of the same type. 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

£1,674
per year at grade D
£1,195
per year at grade C

The full plan saves £306 a year — a 18.4% annual return on £1,660.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2010, states £1,037 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

14 May 1999£195,000

Estimated today: £962,754 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.