63 Holly Hill Road, Erith DA8 1QB

End-Terrace house · Built 1930-1949 · 80 m² · Owner-Occupied · Boiler and radiators, mains gas

Upgrade Plan

D → C for £10,915 · £10,915 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Low energy lighting—£15£43.8 yrs+0.2 pts
Floor insulation—£800 – £1,200£8911.2 yrs+5.0 pts
Heating controls—£350 – £450£3312.3 yrs+1.8 pts
Solar photovoltaic panels—£3,500 – £5,500£8350+ yrs+4.6 pts
Solar water heating—£4,000 – £6,000£6950+ yrs+3.9 pts · reaches C
Solid wall insulation(optional, beyond C)—£4,000 – £14,000£9750+ yrs+5.4 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

£1,445
per year at grade D
£1,070
per year at grade C

The full plan saves £278 a year — a 2.5% annual return on £10,915.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2020, states £925 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

11 September 2020£290,000
24 January 1997£47,500

Estimated today: £346,525 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.