4 Heol Tasker, Nelson, Treharris CF46 6JB

Semi-Detached house · Built 1991-1995 · 80 m² · Owner-Occupied · Boiler and radiators, mains gas

Upgrade Plan

CB for £6,625 · £6,625 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Low energy lighting£25£39.2 yrs+0.2 pts
Party wall insulation£600£3417.8 yrs+2.5 pts
Floor insulation£6,000 – £0£6248.4 yrs+4.6 pts
Solar photovoltaic panels£5,500 – £500£5750+ yrs+4.2 pts · reaches B
Solar water heating(optional, beyond B)£6,000 – £0£4850+ yrs+3.5 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

£1,107
per year at grade C
£903
per year at grade B

The full plan saves £156 a year — a 2.4% annual return on £6,625.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2020, states £708 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

1 April 2020£158,000
12 February 2010£132,000

Estimated today: £234,403 HPI-indexed estimate, not a valuation

Heol Tasker: 124 sales since 1995 · £160,767 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.

5
crimes a month
35
in the last 12 months
Violence and sexual offences
most common · 43% of the total

Police.uk street-level data for LSOA W01001379, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Heol Tasker

How this home sits against its street.

43
graded homes
66.3
average score
D
most common grade
+4.7
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.