4 Eider Close, St. Mellons, Cardiff CF3 0DF

Detached house · Built 1983-1990 · 108 m² · Owner-Occupied · Boiler and radiators, mains gas

Upgrade Plan

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MeasureGrantNet costSaving / yrPaybackGrade effect
Low energy lighting(optional, beyond C)£15£27.7 yrs+0.3 pts
Solar water heating(optional, beyond C)£4,000 – £6,000£3550+ yrs+4.9 pts
Solar photovoltaic panels(optional, beyond C)£5,000 – £8,000£4150+ yrs+5.8 pts

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

£1,205
per year at grade C
£1,127
per year at grade C

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2015, states £834 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

28 July 2022£285,000
7 March 2016£220,000
8 April 2004£179,000
7 June 2002£110,000
19 February 1998£68,000

Estimated today: £302,516 HPI-indexed estimate, not a valuation

Eider Close: 54 sales since 1995 · £159,900 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.

18.9
crimes a month
208
in the last 12 months
Shoplifting
most common · 24% of the total

Police.uk street-level data for LSOA W01001878, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Eider Close

How this home sits against its street.

14
graded homes
67.9
average score
C
most common grade
+1.1
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.