First Floor, 140 Sandy Hill Road, London SE18 7BA

Flat · Built before 1900 · 41 m² · No system present: electric heaters assumed

Upgrade Plan

GC for £15,675 · £3,919 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Draughtproofing£80 – £120£1660.6 yrs+9.0 pts
Loft insulation£100 – £350£942.4 yrs+5.1 pts
Floor insulation£800 – £1,200£1975.1 yrs+10.7 pts · reaches F
Change of heating system£3,000 – £7,000£5628.9 yrs+30.4 pts · reaches D
Low energy lighting£350£940.6 yrs+0.5 pts
Solid wall insulation£4,000 – £14,000£21342.3 yrs+11.5 pts · reaches C
Double glazing(optional, beyond C)£3,300 – £6,500£7150+ yrs+3.9 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

£1,638
per year at grade G
£327
per year at grade C

The full plan saves £1,240 a year — a 7.9% annual return on £15,675.

Energy costs as modelled on the certificate, not a bill. This fuel has too few recent certificates to restate at today's prices.

Sold prices

No sale recorded for this address since 1995.

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.