40 Ruby Street, Cardiff CF24 1LN

Mid-Terrace house · Built 1900-1929 · 101 m² · Rented (Social) · Boiler and radiators, mains gas

Upgrade Plan

DB for £23,500 · £11,750 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Solar photovoltaic panels£3,500 – £5,500£10742.0 yrs+4.6 pts · reaches C
Floor insulation£4,000 – £6,000£11643.2 yrs+5.0 pts
Solar water heating£4,000 – £6,000£9050+ yrs+3.9 pts
Solid wall insulation£4,000 – £14,000£12550+ 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

£1,364
per year at grade D
£926
per year at grade B

The full plan saves £438 a year — a 1.9% annual return on £23,500.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2024, states £1,471 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

19 August 2024£220,000
27 July 2015£154,000
22 October 2010£140,000
28 May 2004£132,000
20 March 1998£48,500
20 May 1996£17,000

Estimated today: £225,887 HPI-indexed estimate, not a valuation

Ruby Street: 92 sales since 1995 · £188,500 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.

49
crimes a month
539
in the last 12 months
Violence and sexual offences
most common · 30% of the total

Police.uk street-level data for LSOA W01001694, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Ruby Street

How this home sits against its street.

68
graded homes
65.3
average score
D
most common grade
+1.7
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.