258 Glan Gwna, Caeathro, Caernarfon LL55 2SH

Mid-Terrace house · Built 1967-1975 · 52 m² · Owner-Occupied · Room heaters, electric

Upgrade Plan

EA for £16,965 · £4,241 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Low energy lighting£15£101.6 yrs+0.4 pts
Party wall insulation£300 – £600£1193.8 yrs+4.7 pts
High-retention storage heaters£1,600 – £2,400£4334.6 yrs+16.9 pts · reaches D
Solar photovoltaic panels£3,500 – £5,500£20322.1 yrs+7.9 pts · reaches C
Floor insulation£4,000 – £6,000£22022.8 yrs+8.6 pts · reaches B
Solar water heating£4,000 – £6,000£17029.3 yrs+6.6 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

£2,005
per year at grade E
£850
per year at grade A

The full plan saves £1,155 a year — a 6.8% annual return on £16,965.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2020, states £1,274 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

No sale recorded for this address since 1995.

Glan Gwna Holiday Park: 2 sales since 1995 · £47,000 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.

6.5
crimes a month
72
in the last 12 months
Violence and sexual offences
most common · 39% of the total

Police.uk street-level data for LSOA W01000118, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Glan Gwna Holiday Park

How this home sits against its street.

15
graded homes
38.3
average score
E
most common grade
+8.7
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.