1 Wilton Avenue, Southampton SO15 2HA

End-Terrace house · Built 1930-1949 · 155 m² · Rented (Private) · Boiler and radiators, mains gas

Upgrade Plan

DC for £1,000 · £1,000 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Floor insulation£800 – £1,200£1109.1 yrs+4.2 pts · reaches C
Band A condensing boiler(optional, beyond C)£2,200 – £3,000£6838.3 yrs+2.6 pts
Solar water heating(optional, beyond C)£4,000 – £6,000£8650+ yrs+3.3 pts
Solar photovoltaic panels(optional, beyond C)£5,000 – £8,000£10250+ yrs+3.9 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

£1,691
per year at grade D
£1,325
per year at grade C

The full plan saves £110 a year — a 11.0% annual return on £1,000.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2018, states £1,068 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

4 October 1996£69,000

Estimated today: £394,343 HPI-indexed estimate, not a valuation

Wilton Avenue: 198 sales since 1995 · £281,343 average over 10 years

Schools nearby

No school in the register within reach of this postcode.

Wilton Avenue

How this home sits against its street.

160
graded homes
65.5
average score
C
most common grade
+0.5
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.