Gwynfa, Penysarn LL69 9YR

End-Terrace bungalow · Built before 1900 · 73 m² · Owner-occupied · Boiler and radiators, dual fuel (mineral and wood)

Upgrade Plan

DB for £21,520 · £10,760 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Low energy lighting£20£36.1 yrs+0.3 pts
Floor insulation£800 – £1,200£7413.4 yrs+6.9 pts · reaches C
Solid wall insulation£4,000 – £14,000£8050+ yrs+7.4 pts
Solar photovoltaic panels£9,000 – £14,000£6950+ yrs+6.4 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

£779
per year at grade D
£552
per year at grade B

The full plan saves £227 a year — a 1.1% annual return on £21,520.

Energy costs as modelled on the certificate, not a bill. This fuel has too few recent certificates to restate at today's prices.

Sold prices

9 February 2000£26,500

Estimated today: £141,552 HPI-indexed estimate, not a valuation

Dinorben Terrace: 4 sales since 1995 · £110,000 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.

5.3
crimes a month
48
in the last 12 months
Violence and sexual offences
most common · 42% of the total

Police.uk street-level data for LSOA W01000021, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Dinorben Terrace

How this home sits against its street.

7
graded homes
48.4
average score
E
most common grade
+13.6
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.