Llanllwyni, Harlech LL46 2RA

Detached house · Built 1900-1929 · 244 m² · Owner-Occupied · Boiler and radiators, oil

Upgrade Plan

FB for £47,998 · £11,999 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Hot water cylinder insulation£15 – £30£3780.1 yrs+7.2 pts
Heating controls£350 – £450£1612.5 yrs+3.1 pts
Cavity wall insulation£500 – £1,500£3313.0 yrs+6.3 pts
Low energy lighting£75£193.9 yrs+0.4 pts
Floor insulation£800 – £6,000£4437.7 yrs+8.4 pts · reaches E
Band A condensing boiler£2,200 – £3,000£2729.6 yrs+5.2 pts
Solar water heating£4,000 – £6,000£34314.6 yrs+6.5 pts · reaches D
Solar photovoltaic panels£5,000 – £8,000£41015.9 yrs+7.8 pts
Solid wall insulation£4,000 – £14,000£47818.8 yrs+9.1 pts · reaches C
Wind turbine£15,000 – £25,000£36750+ yrs+7.0 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

£5,099
per year at grade F
£1,897
per year at grade B

The full plan saves £3,202 a year — a 6.7% annual return on £47,998.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2016, states £3,360 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

13 August 2019£520,000

Estimated today: £703,127 HPI-indexed estimate, not a valuation

Follet Close: 1 sales since 1995

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.

10.4
crimes a month
104
in the last 12 months
Violence and sexual offences
most common · 40% of the total

Police.uk street-level data for LSOA W01000074, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Follet Close

How this home sits against its street.

10
graded homes
43.5
average score
E
most common grade
-21.5
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.