5 The Walk, Rumney, Cardiff CF3 3DP

Semi-Detached house · Built 1900-1929 · 103 m² · Owner-Occupied · Boiler and radiators, mains gas

Upgrade Plan

EC for £14,025 · £7,013 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Low energy lighting£25£63.9 yrs+0.2 pts
Heating controls£350 – £450£547.5 yrs+2.0 pts
Cavity wall insulation£500 – £1,500£1109.1 yrs+4.2 pts · reaches D
Band A condensing boiler£2,200 – £3,000£9028.8 yrs+3.4 pts
Floor insulation£4,000 – £6,000£14734.0 yrs+5.6 pts
Solar water heating£4,000 – £6,000£11443.9 yrs+4.3 pts · reaches C
Solar photovoltaic panels(optional, beyond C)£5,000 – £8,000£13647.8 yrs+5.2 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

£1,874
per year at grade E
£1,217
per year at grade C

The full plan saves £521 a year — a 3.7% annual return on £14,025.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2017, states £1,264 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

25 July 2025£380,000
28 April 2017£242,500
9 June 2000£89,995

Estimated today: £391,377 HPI-indexed estimate, not a valuation

The Walk: 17 sales since 1995 · £261,125 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.

5.1
crimes a month
46
in the last 12 months
Violence and sexual offences
most common · 37% of the total

Police.uk street-level data for LSOA W01001864, to 2026-05. An LSOA holds about 1,500 people, so this covers far more than one street.

The Walk

How this home sits against its street.

10
graded homes
63.3
average score
C
most common grade
-11.3
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.