3 Downe Close, East Cowick, Goole DN14 9EY

Detached house · Built 1967-1975 · 95 m² · Owner-Occupied · Boiler and radiators, oil

Upgrade Plan

E → C for £4,555 · £2,278 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Hot water cylinder insulation—£30£720.4 yrs+4.0 pts · reaches D
Low energy lighting—£25£46.8 yrs+0.2 pts
Floor insulation—£1,200 – £200£848.3 yrs+4.7 pts
Loft insulation—£350£408.7 yrs+2.3 pts
Heating controls—£450£3114.7 yrs+1.7 pts
Solar photovoltaic panels—£5,500 – £500£7838.5 yrs+4.4 pts · reaches C
Solar water heating(optional, beyond C)—£6,000 – £0£6545.9 yrs+3.7 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

£1,587
per year at grade E
£1,213
per year at grade C

The full plan saves £309 a year — a 6.8% annual return on £4,555.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2020, states £1,063 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

20 December 2024£250,000
18 December 2024£271,667
8 March 2021£225,000

Estimated today: £262,121 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.