1 Rectory Cottage, Maentwrog, Blaenau Ffestiniog LL41 4HN

Semi-Detached house · Built before 1900 · 60 m² · Owner-Occupied · Room heaters, electric

Upgrade Plan

FB for £37,200 · £9,300 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Draughtproofing£150 – £250£2120.9 yrs+5.0 pts · reaches E
High-retention storage heaters£1,200 – £2,400£4953.6 yrs+11.7 pts
Flat roof insulation£900 – £1,200£1915.5 yrs+4.5 pts · reaches D
High-performance doors£1,800 – £2,400£20110.4 yrs+4.8 pts
Shower heat recovery£600 – £1,500£4125.4 yrs+1.0 pts
Floor insulation£5,000 – £10,000£25129.8 yrs+5.9 pts
Solid wall insulation£7,500 – £11,000£27234.0 yrs+6.4 pts · reaches C
Solar photovoltaic panels£8,000 – £10,000£23338.7 yrs+5.5 pts
Double glazing£4,500 – £6,000£9150+ yrs+2.2 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

£3,459
per year at grade F
£1,472
per year at grade B

The full plan saves £1,987 a year — a 5.3% annual return on £37,200.

Energy costs as modelled on the certificate, not a bill.

Sold prices

3 December 2004£74,000

Estimated today: £125,499 HPI-indexed estimate, not a valuation

Bull Street: 6 sales since 1995 · £181,500 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.

6.8
crimes a month
68
in the last 12 months
Violence and sexual offences
most common · 41% of the total

Police.uk street-level data for LSOA W01000114, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Bull Street

How this home sits against its street.

18
graded homes
36.9
average score
F
most common grade
-1.9
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.