6 Mount Pleasant, Porthmadog LL49 9AG

End-Terrace house · Built before 1900 · 114 m² · Owner-Occupied · Room heaters, electric

Upgrade Plan

GB for £24,618 · £4,924 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Hot water cylinder insulation£15 – £30£6380.0 yrs+8.7 pts
Floor insulation£800 – £1,200£7461.3 yrs+10.2 pts · reaches F
Change of heating system£3,000 – £7,000£2,1282.3 yrs+29.2 pts · reaches E
Low energy lighting£95£332.9 yrs+0.4 pts
Solar photovoltaic panels£3,500 – £5,500£6906.5 yrs+9.5 pts · reaches D
Solar water heating£4,000 – £6,000£5798.6 yrs+7.9 pts · reaches C
Solid wall insulation£4,000 – £14,000£80611.2 yrs+11.0 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

£6,804
per year at grade G
£1,184
per year at grade B

The full plan saves £5,620 a year — a 22.8% annual return on £24,618.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2022, states £4,395 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

2 April 2001£15,000

Estimated today: £65,041 HPI-indexed estimate, not a valuation

Mount Pleasant: 6 sales since 1995 · £123,500 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.

21.1
crimes a month
232
in the last 12 months
Violence and sexual offences
most common · 36% of the total

Police.uk street-level data for LSOA W01000106, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Mount Pleasant

How this home sits against its street.

3
graded homes
41.7
average score
D
most common grade
-37.7
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.