23 Alverne Buildings, Penzance TR18 2RS

Mid-Terrace house · Built 1900-1929 · 66 m² · Owner-Occupied · Room heaters, electric

Upgrade Plan

FB for £25,600 · £6,400 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
High-retention storage heaters£2,000 – £3,000£4785.2 yrs+17.1 pts · reaches E
Double glazing£1,000 – £1,400£8813.7 yrs+3.1 pts · reaches D
Floor insulation£800 – £6,000£24314.0 yrs+8.7 pts
Solar photovoltaic panels£3,500 – £5,500£22520.0 yrs+8.0 pts · reaches C
Solar water heating£4,000 – £6,000£18826.6 yrs+6.7 pts
Solid wall insulation£4,000 – £14,000£26234.3 yrs+9.4 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

£2,348
per year at grade F
£864
per year at grade B

The full plan saves £1,484 a year — a 5.8% annual return on £25,600.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2024, states £2,474 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

4 July 2024£208,000
18 December 2019£154,000
21 February 2014£125,000

Estimated today: £204,740 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.