80 Cae Mur, Caernarfon LL55 1DS

End-Terrace house · Built 1950-1966 · 76 m² · Owner-occupied · Boiler and radiators, mains gas

Upgrade Plan

DB for £21,500 · £10,750 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Floor insulation£800 – £1,200£1337.5 yrs+6.6 pts
Heating controls£350 – £450£488.3 yrs+2.4 pts
Cavity wall insulation£500 – £1,500£9910.1 yrs+4.9 pts · reaches C
Band A condensing boiler£2,200 – £3,000£8231.8 yrs+4.0 pts
Solar water heating£4,000 – £6,000£10348.4 yrs+5.1 pts
Solar photovoltaic panels£9,000 – £14,000£12350+ yrs+6.1 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

£1,375
per year at grade D
£786
per year at grade B

The full plan saves £589 a year — a 2.7% annual return on £21,500.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2014, states £948 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

29 August 2014£85,000
31 August 2006£110,000
13 April 2006£73,000
27 October 1998£22,000

Estimated today: £137,713 HPI-indexed estimate, not a valuation

Cae Mur: 68 sales since 1995 · £157,317 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.

Cae Mur

How this home sits against its street.

69
graded homes
63.1
average score
D
most common grade
-6.1
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.