23 Whimbrel Walk, Chatham ME5 8NQ

End-Terrace house · Built 1967-1975 · 94 m² · Owner-Occupied · Boiler and radiators, mains gas

Upgrade Plan

EB for £19,330 · £6,443 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Low energy lighting£30£64.9 yrs+0.2 pts
Loft insulation£350£675.2 yrs+2.4 pts · reaches D
Heating controls£450£518.8 yrs+1.9 pts
Cavity wall insulation£1,500 – £500£1059.5 yrs+3.8 pts
Band A condensing boiler£3,000 – £0£8717.3 yrs+3.2 pts
Floor insulation£6,000 – £0£14121.3 yrs+5.1 pts · reaches C
Solar photovoltaic panels£5,500 – £500£13023.0 yrs+4.8 pts
Solar water heating£6,000 – £0£10927.5 yrs+4.0 pts
Solid wall insulation£14,000 – £0£15246.0 yrs+5.6 pts · reaches B

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

£1,810
per year at grade E
£961
per year at grade B

The full plan saves £849 a year — a 4.4% annual return on £19,330.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2020, states £1,159 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

5 May 2026£240,000
28 September 2007£158,000

Estimated today: £241,961 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.