89 Dunvant Road, Killay, Swansea SA2 7NN

Detached house · Built 1976-1982 · 110 m² · Owner-Occupied · Boiler and radiators, mains gas

Upgrade Plan

CB for £12,600 · £12,600 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Floor insulation£800 – £1,200£6016.6 yrs+3.4 pts
Room-in-roof insulation£1,500 – £2,700£8325.2 yrs+4.7 pts
Solar photovoltaic panels£3,500 – £5,500£5650+ yrs+3.2 pts
Solar water heating£4,000 – £6,000£4750+ yrs+2.7 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

£1,369
per year at grade C
£1,123
per year at grade B

The full plan saves £246 a year — a 2.0% annual return on £12,600.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2022, states £806 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

21 September 2023£340,000
10 September 1997£63,500

Estimated today: £354,900 HPI-indexed estimate, not a valuation

Dunvant Road: 63 sales since 1995 · £288,405 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.

4.6
crimes a month
32
in the last 12 months
Violence and sexual offences
most common · 50% of the total

Police.uk street-level data for LSOA W01000781, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Dunvant Road

How this home sits against its street.

34
graded homes
56.2
average score
D
most common grade
+12.8
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.