21 Clarendon Road, Poole, Poole BH18 9HT

Detached house · Built 1930-1949 · 132 m² · Owner-Occupied · Boiler and radiators, mains gas

Upgrade Plan

DC for £1,000 · £1,000 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Floor insulation£800 – £1,200£1069.4 yrs+4.7 pts · reaches C
Low energy lighting(optional, beyond C)£60£512.9 yrs+0.2 pts
Solar photovoltaic panels(optional, beyond C)£3,500 – £5,500£9845.9 yrs+4.4 pts
Solar water heating(optional, beyond C)£4,000 – £6,000£8250+ 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

£1,707
per year at grade D
£1,416
per year at grade C

The full plan saves £106 a year — a 10.6% annual return on £1,000.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2020, states £1,079 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

12 March 2021£562,000
29 August 2002£264,000

Estimated today: £626,715 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.