18 Y Glyn, Caernarfon LL55 1HL

Semi-Detached house · Built 1930-1949 · 85 m² · Owner-Occupied · Boiler and radiators, mains gas

Upgrade Plan

CB for £4,500 · £4,500 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Solar photovoltaic panels£3,500 – £5,500£2950+ yrs+6.0 pts · reaches B
Solar water heating(optional, beyond B)£4,000 – £6,000£2450+ yrs+5.0 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

£950
per year at grade C
£897
per year at grade B

The full plan saves £29 a year — a 0.6% annual return on £4,500.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2024, states £1,023 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

20 March 2024£217,100
29 April 2010£110,000
24 June 1996£27,000

Estimated today: £228,954 HPI-indexed estimate, not a valuation

Y Glyn: 52 sales since 1995 · £173,567 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.

30.8
crimes a month
339
in the last 12 months
Violence and sexual offences
most common · 36% of the total

Police.uk street-level data for LSOA W01000059, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Y Glyn

How this home sits against its street.

47
graded homes
57.6
average score
D
most common grade
+19.4
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.