18 Jasper Close, Cardiff CF5 2RX

Detached house · Built 1983-1990 · 88 m² · Boiler and radiators, mains gas

Upgrade Plan

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MeasureGrantNet costSaving / yrPaybackGrade effect
Low energy lighting(optional, beyond C)£30 – £75typical£136.7 yrs+0.1 pts
Solar water heating(optional, beyond C)£5,000typical£2550+ yrs+0.9 pts
Solar photovoltaic panels(optional, beyond C)£4,500 – £9,000typical£3050+ yrs+1.1 pts

Grants verified 20 August 2026. Costs are the register’s indicative ranges, except where marked typical, which this certificate did not price and which are taken instead from comparable homes of the same type. 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

£1,124
per year at grade C
£1,067
per year at grade C

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2010, states £693 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

8 November 2017£245,000
28 October 2010£85,000
28 September 2007£210,000
20 July 1995£82,000

Estimated today: £332,873 HPI-indexed estimate, not a valuation

Jasper Close: 26 sales since 1995 · £174,224 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.

4.5
crimes a month
27
in the last 12 months
Anti-social behaviour
most common · 37% of the total

Police.uk street-level data for LSOA W01001784, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Jasper Close

How this home sits against its street.

13
graded homes
67.6
average score
D
most common grade
+1.4
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.