15 Tithebarn Street, Caernarfon LL55 2RF

Mid-Terrace house · Built 1900-1929 · 177 m² · Owner-Occupied · Boiler and radiators, mains gas

Upgrade Plan

EC for £8,640 · £4,320 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Low energy lighting£40£162.5 yrs+0.3 pts
Room-in-roof insulation£1,500 – £2,700£5104.1 yrs+10.5 pts · reaches D
Solar photovoltaic panels£5,000 – £8,000£34219.0 yrs+7.0 pts · reaches C
Solid wall insulation(optional, beyond C)£4,000 – £14,000£40022.5 yrs+8.2 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

£2,991
per year at grade E
£1,723
per year at grade C

The full plan saves £868 a year — a 10.0% annual return on £8,640.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2015, states £2,078 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

28 July 2017£135,000
5 December 2016£135,000
12 April 2013£127,000
26 March 2010£120,000

Estimated today: £201,248 HPI-indexed estimate, not a valuation

Tithebarn Street: 38 sales since 1995 · £113,677 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.

35.2
crimes a month
387
in the last 12 months
Violence and sexual offences
most common · 39% of the total

Police.uk street-level data for LSOA W01000111, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Tithebarn Street

How this home sits against its street.

19
graded homes
56.5
average score
D
most common grade
-2.5
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.