48 Fairfield Avenue, Cardiff CF5 1BS

Mid-Terrace house · Built 1900-1929 · 77 m² · Owner-Occupied · Boiler and radiators, mains gas

Upgrade Plan

EB for £28,928 · £9,643 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Hot water cylinder insulation£15 – £400£1311.6 yrs+4.4 pts
Low energy lighting£45£76.7 yrs+0.2 pts
Heating controls£350 – £450£567.2 yrs+1.9 pts · reaches D
Cavity wall insulation£500 – £1,500£1148.8 yrs+3.9 pts
Flat roof insulation£850 – £1,500£11610.1 yrs+3.9 pts
Band A condensing boiler£2,200 – £3,000£9427.7 yrs+3.2 pts
Solar photovoltaic panels£3,500 – £5,500£14231.8 yrs+4.8 pts · reaches C
Floor insulation£4,000 – £6,000£15332.7 yrs+5.2 pts
Solar water heating£4,000 – £6,000£11942.1 yrs+4.0 pts
Solid wall insulation£4,000 – £14,000£16550+ yrs+5.6 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

£1,964
per year at grade E
£868
per year at grade B

The full plan saves £1,096 a year — a 3.8% annual return on £28,928.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2023, states £2,535 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

10 November 2023£265,000

Estimated today: £279,288 HPI-indexed estimate, not a valuation

Fairfield Avenue: 116 sales since 1995 · £264,246 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.

7
crimes a month
70
in the last 12 months
Vehicle crime
most common · 41% of the total

Police.uk street-level data for LSOA W01001714, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Fairfield Avenue

How this home sits against its street.

41
graded homes
62.3
average score
D
most common grade
-13.3
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.