4 Bronwen Terrace, Harlech LL46 2YS

Mid-Terrace house · Built before 1900 · 144 m² · Owner-Occupied · Air source heat pump, radiators, electric

Upgrade Plan

DB for £19,900 · £9,950 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Floor insulation£800 – £1,200£2394.2 yrs+5.1 pts · reaches C
Heating controls£350 – £450£874.6 yrs+1.8 pts
Solar photovoltaic panels£3,500 – £5,500£22120.4 yrs+4.7 pts
Solar water heating£4,000 – £6,000£18527.0 yrs+3.9 pts
Solid wall insulation£4,000 – £14,000£25834.9 yrs+5.5 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

£2,440
per year at grade D
£1,450
per year at grade B

The full plan saves £990 a year — a 5.0% annual return on £19,900.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2022, states £1,576 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

27 February 2026£287,500
15 December 2020£216,000

Estimated today: £297,169 HPI-indexed estimate, not a valuation

Bronwen Terrace: 10 sales since 1995 · £254,125 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.

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.

Bronwen Terrace

How this home sits against its street.

4
graded homes
49.5
average score
E
most common grade
+15.5
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.