11 Cromwell Close, Bishop's Stortford CM23 4PL

Mid-Terrace house · Built 1991-1995 · Boiler and radiators, mains gas

Upgrade Plan

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MeasureGrantNet costSaving / yrPaybackGrade effect
Low energy lighting(optional, beyond C)£20 – £45typical£216.0 yrs+0.1 pts
Heating controls(optional, beyond C)£400typical£1723.6 yrs+0.7 pts
Wind turbine(optional, beyond C)£2,750typical£3850+ yrs+1.6 pts
Band A condensing boiler(optional, beyond C)£2,600typical£2950+ yrs+1.2 pts
Solar water heating(optional, beyond C)£5,000typical£3650+ yrs+1.5 pts
Solar photovoltaic panels(optional, beyond C)£4,500 – £9,000typical£4350+ yrs+1.8 pts

Grants verified 20 August 2026. Costs are the register’s indicative ranges, except where marked typical, which this certificate did not price and which are taken instead from comparable homes of the same type. 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

£855
per year at grade C
£690
per year at grade C

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2009, states £486 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

31 May 2013£215,000
5 October 2009£200,000
31 July 2003£169,000
5 September 2002£149,950
21 January 1997£66,000

Estimated today: £378,471 HPI-indexed estimate, not a valuation

Cromwell Close: 42 sales since 1995 · £325,222 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
Hillmead Primary SchoolPrimary0.1 mi
Avanti Brook Primary SchoolPrimary0.7 mi
St Joseph's Catholic Primary School B/SPrimary0.7 mi
St Mary's Catholic SchoolSecondary0.9 miProgress 8 +0.43 · above average (2023/24)
TLC Live Online SchoolSecondary1.2 miNot in the KS4 performance tables
Avanti Grange Secondary SchoolSecondary1.3 miNot in the KS4 performance tables

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.

17.7
crimes a month
195
in the last 12 months
Violence and sexual offences
most common · 29% of the total

Police.uk street-level data for LSOA E01023454, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Cromwell Close

How this home sits against its street.

13
graded homes
69.2
average score
C
most common grade
+1.8
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.