Graig Wen, Brynteg LL78 8JR

Detached house · Built 1967-1975 · 160 m² · Owner-Occupied · Boiler and radiators, LPG

Upgrade Plan

FD for £17,775 · £8,888 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Room-in-roof insulation£1,500 – £2,700£18211.5 yrs+7.4 pts · reaches E
Flat roof insulation£850 – £1,500£10011.7 yrs+4.1 pts
Solar photovoltaic panels£3,500 – £5,500£12236.8 yrs+5.0 pts
Floor insulation£4,000 – £6,000£13237.8 yrs+5.4 pts
Solar water heating£4,000 – £6,000£10348.7 yrs+4.2 pts · reaches D

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

£2,100
per year at grade F
£1,460
per year at grade D

The full plan saves £640 a year — a 3.6% annual return on £17,775.

Energy costs as modelled on the certificate, not a bill. This fuel has too few recent certificates to restate at today's prices.

Sold prices

27 January 2025£380,000
25 May 2005£249,950

Estimated today: £407,805 HPI-indexed estimate, not a valuation

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.

6.3
crimes a month
63
in the last 12 months
Violence and sexual offences
most common · 49% of the total

Police.uk street-level data for LSOA W01000010, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.