31 Harrison Way, Cardiff CF11 7PE

Mid-Terrace flat · Built 2003-2006 · 43 m² · Rented (Private) · Room heaters, electric

Upgrade Plan

DC for £1,240 · £1,240 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Low energy lighting£15£101.5 yrs+0.3 pts
Loft insulation£100 – £350£1102.1 yrs+3.8 pts
High-retention storage heaters£800 – £1,200£4542.2 yrs+15.6 pts · reaches C
Party wall insulation(optional, beyond C)£300 – £600£1253.6 yrs+4.3 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

£1,315
per year at grade D
£616
per year at grade C

The full plan saves £574 a year — a 46.3% annual return on £1,240.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2020, states £843 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

24 October 2024£130,000
17 April 2020£104,000
20 April 2007£109,000
27 June 2003£85,000
25 August 2000£56,500
30 June 1997£47,495

Estimated today: £127,387 HPI-indexed estimate, not a valuation

Harrison Way: 225 sales since 1995 · £148,562 average over 10 years

Schools nearby

The DfE register covers England. Welsh schools are held in a separate Welsh Government register, which we have not ingested yet.

Area context

Police-recorded crime for the wider neighbourhood, not this address. We grade homes, never neighbourhoods — so this is reported as a count, not a rating.

11
crimes a month
99
in the last 12 months
Violence and sexual offences
most common · 28% of the total

Police.uk street-level data for LSOA W01001946, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Harrison Way

How this home sits against its street.

74
graded homes
72.4
average score
C
most common grade
-17.4
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.