Erw Ddu, Tyn-Y-Gongl LL74 8NT

Detached house · Built before 1900 · 57 m² · Owner-Occupied · Electric storage heaters, Room heaters, electric

Upgrade Plan

GA for £54,110 · £9,018 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
High-performance doors£1,000 – £0£2621.9 yrs+9.1 pts
Low energy lighting£35£142.4 yrs+0.5 pts
High-retention storage heaters£1,600 – £2,400£6473.1 yrs+22.4 pts · reaches F
Flat roof insulation£850 – £1,500£2494.7 yrs+8.6 pts · reaches E
Floor insulation£4,000 – £6,000£32815.2 yrs+11.3 pts
Solar water heating£4,000 – £6,000£25519.6 yrs+8.8 pts · reaches D
Solar photovoltaic panels£5,000 – £8,000£30421.4 yrs+10.5 pts · reaches C
Solid wall insulation£4,000 – £14,000£35525.4 yrs+12.3 pts · reaches B
Double glazing£3,300 – £6,500£11941.2 yrs+4.1 pts
Wind turbine£15,000 – £25,000£27250+ yrs+9.4 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

£4,319
per year at grade G
£1,514
per year at grade A

The full plan saves £2,805 a year — a 5.2% annual return on £54,110.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2016, states £2,368 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

9 June 2017£235,000
13 February 2006£205,000

Estimated today: £348,050 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.

6.3
crimes a month
63
in the last 12 months
Violence and sexual offences
most common · 49% of the total

Police.uk street-level data for LSOA W01000010, 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.