Bwthyn, Dyffryn Ardudwy LL44 2BS

Semi-Detached house · Built before 1900 · 65 m² · Owner-Occupied · Electric storage heaters

Upgrade Plan

EB for £31,100 · £10,367 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Draughtproofing£80 – £120£1460.7 yrs+4.8 pts
High-performance doors£1,000 – £0£1393.6 yrs+4.6 pts
Room-in-roof insulation£1,500 – £2,700£2398.8 yrs+7.9 pts · reaches D
Solar photovoltaic panels£3,500 – £5,500£16028.1 yrs+5.3 pts
Floor insulation£4,000 – £6,000£17328.9 yrs+5.7 pts
Solar water heating£4,000 – £6,000£13437.2 yrs+4.4 pts · reaches C
Solid wall insulation£4,000 – £14,000£18748.0 yrs+6.2 pts
Double glazing£3,300 – £6,500£6350+ yrs+2.1 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

£2,529
per year at grade E
£1,287
per year at grade B

The full plan saves £1,242 a year — a 4.0% annual return on £31,100.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2024, states £2,218 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

21 March 2025£255,000
31 July 2009£95,000

Estimated today: £271,116 HPI-indexed estimate, not a valuation

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.