4 Oakdale, Welwyn Garden City AL8 7QZ

Mid-Terrace house · Built 1950-1966 · 70 m² · Owner-Occupied · Boiler and radiators, mains gas

Upgrade Plan

DB for £19,100 · £9,550 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Band A condensing boiler£2,200 – £3,000£3850+ yrs+3.2 pts · reaches C
Floor insulation£4,000 – £6,000£6250+ yrs+5.1 pts
Solar water heating£4,000 – £6,000£4850+ yrs+4.0 pts
Solar photovoltaic panels£5,000 – £8,000£5750+ yrs+4.7 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

£1,054
per year at grade D
£849
per year at grade B

The full plan saves £205 a year — a 1.1% annual return on £19,100.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2018, states £679 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

29 April 2019£340,000
10 October 2001£125,000
21 June 1996£59,750

Estimated today: £400,559 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.