21 St. Augustine Road, Griffithstown, Pontypool NP4 5EX

Semi-Detached house · Built 1967-1975 · 64 m² · Boiler and radiators, mains gas

Upgrade Plan

DC for £6,000 · £6,000 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Cavity wall insulation£1,000typical£7513.4 yrs+3.1 pts
Solar water heating£5,000typical£7850+ yrs+3.2 pts · reaches C
Solar photovoltaic panels(optional, beyond C)£4,500 – £9,000typical£9350+ yrs+3.8 pts

Grants verified 20 August 2026. Costs are the register’s indicative ranges, except where marked typical, which this certificate did not price and which are taken instead from comparable homes of the same type. 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

£1,062
per year at grade D
£817
per year at grade C

The full plan saves £152 a year — a 2.5% annual return on £6,000.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2010, states £658 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

29 October 2007£145,000
12 October 2001£70,000
5 July 1996£46,500
5 July 1996£46,500

Estimated today: £226,657 HPI-indexed estimate, not a valuation

St Augustine Road: 84 sales since 1995 · £212,932 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.

5.1
crimes a month
36
in the last 12 months
Anti-social behaviour
most common · 31% of the total

Police.uk street-level data for LSOA W01001518, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

St Augustine Road

How this home sits against its street.

46
graded homes
64
average score
D
most common grade
0.0
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.