94a Imperial Avenue, Southampton SO15 8PX

Semi-Detached house · Built 1930-1949 · 91 m² · Owner-Occupied · Portable electric heaters assumed for most rooms

Upgrade Plan

GB for £9,595 · £1,919 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Draughtproofing£120£2900.4 yrs+7.8 pts · reaches F
Low energy lighting£25£151.7 yrs+0.4 pts
Floor insulation£1,200 – £200£3442.0 yrs+9.2 pts
Loft insulation£350£1642.1 yrs+4.4 pts
Flue gas heat recovery£900£3352.7 yrs+9.0 pts · reaches E
Change of heating system£7,000 – £0£9823.6 yrs+26.3 pts · reaches C
Solar photovoltaic panels£8,000 – £0£31912.6 yrs+8.5 pts · reaches B
Double glazing(optional, beyond B)£6,500 – £500£12528.1 yrs+3.3 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

£3,367
per year at grade G
£793
per year at grade B

The full plan saves £2,449 a year — a 25.5% annual return on £9,595.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2018, states £2,137 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

14 September 2018£206,000

Estimated today: £251,580 HPI-indexed estimate, not a valuation

Schools nearby

No school in the register within reach of this postcode.

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