5 Kestell Drive, Cardiff CF11 7BF

Detached flat · Built 1991-1995 · 100 m² · Room heaters, electric

Upgrade Plan

EC for £1,273 · £636 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Low energy lighting£15 – £30typical£211.1 yrs+0.4 pts
High-retention storage heaters£1,000 – £1,500typical£9521.3 yrs+18.6 pts · reaches C

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

£2,446
per year at grade E
£1,473
per year at grade C

The full plan saves £973 a year — a 76.4% annual return on £1,273.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2010, states £985 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

23 October 2015£180,000
12 March 2004£134,500
22 November 2000£91,000
22 November 1996£72,500

Estimated today: £238,776 HPI-indexed estimate, not a valuation

Kestell Drive: 123 sales since 1995 · £225,208 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.

11
crimes a month
99
in the last 12 months
Violence and sexual offences
most common · 28% of the total

Police.uk street-level data for LSOA W01001946, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Kestell Drive

How this home sits against its street.

32
graded homes
69
average score
C
most common grade
-16.0
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.