Glasfryn, Dyffryn Ardudwy LL44 2EN

Detached house · Built before 1900 · 232 m² · Owner-occupied · Electric storage heaters

Upgrade Plan

GD for £15,373 · £5,124 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Hot water cylinder insulation£15 – £30£5920.0 yrs+5.6 pts · reaches F
Draughtproofing£80 – £120£5840.2 yrs+5.5 pts
Floor insulation£800 – £1,200£6931.4 yrs+6.5 pts
High-retention storage heaters£4,500 – £6,000£1,3653.8 yrs+12.9 pts · reaches E
Solid wall insulation£4,000 – £14,000£74912.0 yrs+7.1 pts · reaches D
Solar photovoltaic panels(optional, beyond D)£9,000 – £14,000£64117.9 yrs+6.1 pts
Double glazing(optional, beyond D)£3,300 – £6,500£25119.5 yrs+2.4 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

£8,653
per year at grade G
£3,779
per year at grade D

The full plan saves £3,982 a year — a 25.9% annual return on £15,373.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2014, states £4,570 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

5 December 2013£207,000

Estimated today: £343,553 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.