31 Mortimer Road, Cardiff CF11 9JZ

Mid-Terrace house · Built 1900-1929 · 76 m² · Boiler and radiators, mains gas

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This certificate lists these measures but records the same score with and without them, so there is no saving or rating gain to attribute to any one of them. That usually means the assessment was incomplete — here the assessor recorded no heating system at all. The costs below are real; a fresh assessment would be the way to find the gain.

MeasureGrantNet costSaving / yrPaybackGrade effect
Low energy lighting£8
Double glazing£2,500 – £6,500
Solar water heating£4,000 – £6,000
Solar photovoltaic panels£11,000 – £20,000
Solid wall insulation£5,500 – £14,500

Grants verified 20 August 2026. Costs are the register’s indicative ranges.

Running costs

£1,419
per year at grade D
£1,399
per year at grade D

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2011, states £853 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

No sale recorded for this address since 1995.

Mortimer Road: 124 sales since 1995 · £197,210 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.

17.7
crimes a month
177
in the last 12 months
Shoplifting
most common · 32% of the total

Police.uk street-level data for LSOA W01001860, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Mortimer Road

How this home sits against its street.

68
graded homes
68.1
average score
C
most common grade
-10.1
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.