5 Severn Square, Cardiff CF11 9DP

Mid-Terrace house · Built 1996-2002 · 124 m² · Owner-Occupied · Boiler and radiators, mains gas

Upgrade Plan

CB for £12,535 · £12,535 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Low energy lighting£35£217.3 yrs+0.2 pts
Floor insulation£800 – £1,200£4621.6 yrs+4.0 pts
Solar water heating£4,000 – £6,000£3650+ yrs+3.1 pts
Solar photovoltaic panels£5,000 – £8,000£4350+ yrs+3.7 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

£1,154
per year at grade C
£1,027
per year at grade B

The full plan saves £127 a year — a 1.0% annual return on £12,535.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2015, states £802 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

30 March 2016£314,500
16 May 2008£250,000

Estimated today: £470,162 HPI-indexed estimate, not a valuation

Severn Square: 6 sales since 1995 · £426,875 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.

Severn Square

How this home sits against its street.

3
graded homes
71
average score
C
most common grade
+2.0
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.