Caerffynon, Dyffryn Ardudwy LL44 2HZ

Semi-Detached house · Built 1900-1929 · 100 m² · Owner-Occupied · Boiler and radiators, oil

Upgrade Plan

DA for £39,655 · £13,218 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Shower heat recovery£585 – £725£3419.5 yrs+1.8 pts
Floor insulation£4,000 – £6,000£20424.5 yrs+10.6 pts
Solar water heating£4,000 – £6,000£15831.6 yrs+8.3 pts · reaches C
Solid wall insulation£4,000 – £14,000£22140.8 yrs+11.5 pts · reaches B
Wind turbine£15,000 – £25,000£16950+ yrs+8.8 pts · reaches A

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

£1,751
per year at grade D
£965
per year at grade A

The full plan saves £786 a year — a 2.0% annual return on £39,655.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2025, states £1,535 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

No sale recorded for this address since 1995.

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.

11.3
crimes a month
124
in the last 12 months
Violence and sexual offences
most common · 53% of the total

Police.uk street-level data for LSOA W01002003, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.