13 Penmark Road, Cardiff CF5 4RL

Semi-Detached house · Built 1950-1966 · 69 m² · Boiler and radiators, mains gas

Upgrade Plan

DC for £8,035 · £8,035 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Low energy lighting£20 – £50typical£56.8 yrs+0.2 pts
Heating controls£400typical£439.4 yrs+1.6 pts
Band A condensing boiler£2,600typical£7236.1 yrs+2.7 pts
Solar water heating£5,000typical£9150+ yrs+3.4 pts · reaches C
Solar photovoltaic panels(optional, beyond C)£4,500 – £9,000typical£10850+ yrs+4.1 pts

Grants verified 20 August 2026. Costs are the register’s indicative ranges, except where marked typical, which this certificate did not price and which are taken instead from comparable homes of the same type. 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

£1,179
per year at grade D
£860
per year at grade C

The full plan saves £211 a year — a 2.6% annual return on £8,035.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2010, states £736 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

6 December 2013£91,000
18 February 2005£99,000
19 July 2004£90,000

Estimated today: £161,084 HPI-indexed estimate, not a valuation

Penmark Road: 20 sales since 1995 · £149,988 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.

15.3
crimes a month
168
in the last 12 months
Violence and sexual offences
most common · 52% of the total

Police.uk street-level data for LSOA W01001744, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Penmark Road

How this home sits against its street.

18
graded homes
66.2
average score
D
most common grade
-3.2
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.