38 Balfour Avenue, London W7 3HS

Semi-Detached house · Built before 1900 · 223 m² · Owner-Occupied · Boiler and radiators, mains gas

Upgrade Plan

DC for £7,500 · £7,500 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Floor insulation£5,000 – £10,000£23931.4 yrs+3.7 pts · reaches C
Solid wall insulation(optional, beyond C)£7,500 – £11,000£25935.8 yrs+4.0 pts
Solar photovoltaic panels(optional, beyond C)£8,000 – £10,000£22140.7 yrs+3.4 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

£2,505
per year at grade D
£1,786
per year at grade C

The full plan saves £239 a year — a 3.2% annual return on £7,500.

Energy costs as modelled on the certificate, not a bill.

Sold prices

6 April 2009£412,500

Estimated today: £988,198 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.