6 King Street, Bishop's Stortford CM23 2NB

End-Terrace house · Built 1900-1929 · 151 m² · Owner-Occupied · Boiler and radiators, mains gas

Upgrade Plan

EC for £9,435 · £4,718 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Floor insulation£1,200 – £200£2792.5 yrs+6.0 pts
Low energy lighting£35£122.9 yrs+0.3 pts
Room-in-roof insulation£2,700 – £700£3854.4 yrs+8.2 pts · reaches D
Solar water heating£6,000 – £0£21613.9 yrs+4.6 pts
Solar photovoltaic panels£8,000 – £0£25815.5 yrs+5.5 pts · reaches C
Solid wall insulation(optional, beyond C)£14,000 – £0£30123.2 yrs+6.4 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

£3,104
per year at grade E
£1,653
per year at grade C

The full plan saves £1,150 a year — a 12.2% annual return on £9,435.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2016, states £2,191 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

26 May 2026£649,995
14 June 2017£565,000
30 November 2004£269,500
19 August 2002£180,700

Estimated today: £651,831 HPI-indexed estimate, not a valuation

King Street: 45 sales since 1995 · £374,750 average over 10 years

Schools nearby

The schools’ own performance — Progress 8 shows value added, not just raw results.

SchoolPhaseDistanceProgress
St Michael's Church of England Primary SchoolPrimary0.2 mi
Windhill21Primary0.2 mi
Northgate Primary SchoolPrimary0.4 mi
St Mary's Catholic SchoolSecondary0.2 miProgress 8 +0.43 · above average (2023/24)
TLC Live Online SchoolSecondary0.5 miNot in the KS4 performance tables
Hockerill Anglo-European CollegeSecondary0.6 miProgress 8 +0.38 · above average (2023/24)

Schools from the DfE register, performance from the KS4 performance tables. Progress 8 is a GCSE measure, so primaries have none. Distance is straight-line from the postcode, not a catchment: admission is decided by the school, not by us.

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.

21.2
crimes a month
233
in the last 12 months
Violence and sexual offences
most common · 42% of the total

Police.uk street-level data for LSOA E01023449, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

King Street

How this home sits against its street.

22
graded homes
61.7
average score
D
most common grade
-16.7
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.