97 Harrison Drive, St. Mellons, Cardiff CF3 0PW

Semi-Detached house · Built 1996-2002 · 56 m² · Owner-Occupied · Boiler and radiators, mains gas

Upgrade Plan

DB for £8,250 · £4,125 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Flue gas heat recovery£400 – £900£5711.4 yrs+5.9 pts · reaches C
Band A condensing boiler£2,200 – £3,000£3650+ yrs+3.7 pts
Solar water heating£4,000 – £6,000£4650+ yrs+4.7 pts · reaches B
Solar photovoltaic panels(optional, beyond B)£5,000 – £8,000£5450+ yrs+5.6 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

£862
per year at grade D
£669
per year at grade B

The full plan saves £139 a year — a 1.7% annual return on £8,250.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2018, states £554 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

18 June 2018£141,500
31 October 2013£128,000
3 November 2005£118,950
24 October 2003£94,950
19 April 2002£62,950
26 March 1999£52,000

Estimated today: £195,748 HPI-indexed estimate, not a valuation

Harrison Drive: 382 sales since 1995 · £208,857 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.

16.9
crimes a month
186
in the last 12 months
Violence and sexual offences
most common · 41% of the total

Police.uk street-level data for LSOA W01001885, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Harrison Drive

How this home sits against its street.

141
graded homes
72.8
average score
C
most common grade
-5.8
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.