Cartref, Plasmawr Road, Cardiff CF5 3JU

Semi-Detached house · Built before 1900 · 88 m² · Owner-Occupied · Boiler and radiators, mains gas

Upgrade Plan

DB for £24,675 · £12,338 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Flat roof insulation£850 – £1,500£4029.7 yrs+4.0 pts
Solar photovoltaic panels£3,500 – £5,500£4850+ yrs+4.9 pts · reaches C
Floor insulation£4,000 – £6,000£5250+ yrs+5.3 pts
Solar water heating£4,000 – £6,000£4050+ yrs+4.1 pts
Solid wall insulation£4,000 – £14,000£5650+ yrs+5.7 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

£697
per year at grade D
£460
per year at grade B

The full plan saves £237 a year — a 1.0% annual return on £24,675.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2023, states £868 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

16 November 2016£220,000
19 June 2003£138,000
28 November 2002£124,950
18 May 2001£76,000
10 September 1999£65,000

Estimated today: £327,147 HPI-indexed estimate, not a valuation

Plasmawr Road: 58 sales since 1995 · £195,597 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.

12.8
crimes a month
141
in the last 12 months
Violence and sexual offences
most common · 53% of the total

Police.uk street-level data for LSOA W01001750, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Plasmawr Road

How this home sits against its street.

51
graded homes
69.5
average score
C
most common grade
-8.5
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.