4 William Gammon Drive, Mumbles, Swansea SA3 4HR

Detached house · Built 2003-2006 · 118 m² · Owner-Occupied · Boiler and radiators, mains gas

Upgrade Plan

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MeasureGrantNet costSaving / yrPaybackGrade effect
Solar photovoltaic panels(optional, beyond C)£8,000 – £10,000£0+4.0 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

£1,241
per year at grade C

Energy costs as modelled on the certificate, not a bill.

Sold prices

20 December 2005£155,950

Estimated today: £264,888 HPI-indexed estimate, not a valuation

William Gammon Drive: 62 sales since 1995 · £389,467 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.

6.8
crimes a month
75
in the last 12 months
Violence and sexual offences
most common · 53% of the total

Police.uk street-level data for LSOA W01000826, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

William Gammon Drive

How this home sits against its street.

25
graded homes
75.1
average score
C
most common grade
+0.9
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.