11 York Road, Northampton NN1 5QG

Mid-Terrace house · Built before 1900 · 109 m² · Owner-Occupied · Boiler and radiators, mains gas

Upgrade Plan

E → C for £27,275 · £13,638 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Draughtproofing—£80 – £120£1180.9 yrs+3.5 pts
Heating controls—£350 – £450£517.9 yrs+1.5 pts
Room-in-roof insulation—£1,500 – £2,700£19310.9 yrs+5.7 pts
Flat roof insulation—£850 – £1,500£10611.1 yrs+3.1 pts · reaches D
Solar photovoltaic panels—£3,500 – £5,500£12934.9 yrs+3.8 pts
Floor insulation—£4,000 – £6,000£13935.8 yrs+4.1 pts
Solar water heating—£4,000 – £6,000£10846.2 yrs+3.2 pts
Solid wall insulation—£4,000 – £14,000£15150+ yrs+4.5 pts · reaches C
Double glazing(optional, beyond C)—£3,300 – £6,500£5050+ yrs+1.5 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

£2,652
per year at grade E
£1,607
per year at grade C

The full plan saves £995 a year — a 3.6% annual return on £27,275.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2019, states £1,672 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

14 February 2020£215,000
25 August 2017£187,000
24 March 2011£125,000
18 February 2005£146,500
29 March 2000£90,000

Estimated today: £272,351 HPI-indexed estimate, not a valuation

York Road: 101 sales since 1995 · £284,431 average over 10 years

Schools nearby

No school in the register within reach of this postcode.

York Road

How this home sits against its street.

53
graded homes
60.8
average score
D
most common grade
-18.8
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.