23a Pool Hill, Caernarfon LL55 1NP

Mid-Terrace flat · Built before 1900 · 35 m² · Rented (Private) · Room heaters, electric

Upgrade Plan

EC for £10,023 · £5,011 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Hot water cylinder insulation£15 – £30£2010.1 yrs+7.2 pts
High-retention storage heaters£800 – £1,200£4632.2 yrs+16.6 pts · reaches D
Solid wall insulation£4,000 – £14,000£25435.4 yrs+9.1 pts · reaches C

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

£1,696
per year at grade E
£778
per year at grade C

The full plan saves £918 a year — a 9.2% annual return on £10,023.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2021, states £1,121 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

19 October 2020£81,500
14 June 2007£41,100
2 August 1996£32,500

Estimated today: £95,427 HPI-indexed estimate, not a valuation

Pool Hill: 20 sales since 1995 · £82,476 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.

Pool Hill

How this home sits against its street.

9
graded homes
55.4
average score
D
most common grade
-14.4
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.