103 Glenroy Street, Cardiff CF24 3JZ

Mid-Terrace house · Built before 1900 · 85 m² · Owner-Occupied · Boiler and radiators, mains gas

Upgrade Plan

DB for £19,450 · £9,725 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Cavity wall insulation£900 – £1,500£6418.8 yrs+4.3 pts · reaches C
Solid wall insulation£7,500 – £11,000£9250+ yrs+6.3 pts
Solar photovoltaic panels£8,000 – £10,000£7950+ yrs+5.4 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

£1,274
per year at grade D
£1,039
per year at grade B

The full plan saves £235 a year — a 1.2% annual return on £19,450.

Energy costs as modelled on the certificate, not a bill.

Sold prices

10 August 2017£175,000
12 November 2004£140,000

Estimated today: £252,507 HPI-indexed estimate, not a valuation

Glenroy Street: 290 sales since 1995 · £228,462 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.

24.6
crimes a month
271
in the last 12 months
Shoplifting
most common · 38% of the total

Police.uk street-level data for LSOA W01001831, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Glenroy Street

How this home sits against its street.

150
graded homes
61.2
average score
D
most common grade
+5.8
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.