70 Alexandra Road, Cardiff CF5 1NU

Mid-Terrace house · Built 1900-1929 · 95 m² · Owner-Occupied · Room heaters, mains gas

Upgrade Plan

FB for £28,300 · £7,075 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Loft insulation£100 – £350£1191.9 yrs+3.1 pts
Flat roof insulation£850 – £1,500£1896.2 yrs+5.0 pts · reaches E
Change of heating system£3,000 – £7,000£7127.0 yrs+18.9 pts · reaches D
Floor insulation£800 – £6,000£24913.6 yrs+6.6 pts
Solar photovoltaic panels£3,500 – £5,500£23119.5 yrs+6.1 pts · reaches C
Solar water heating£4,000 – £6,000£19325.8 yrs+5.1 pts
Solid wall insulation£4,000 – £14,000£27033.4 yrs+7.1 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

£2,878
per year at grade F
£915
per year at grade B

The full plan saves £1,963 a year — a 6.9% annual return on £28,300.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2024, states £3,088 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

12 December 2025£383,000
4 July 2025£225,000

Estimated today: £384,857 HPI-indexed estimate, not a valuation

Alexandra Road: 66 sales since 1995 · £266,267 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.

12.9
crimes a month
142
in the last 12 months
Violence and sexual offences
most common · 35% of the total

Police.uk street-level data for LSOA W01001713, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Alexandra Road

How this home sits against its street.

27
graded homes
55.1
average score
D
most common grade
-21.1
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.