21 Maze Green Road, Bishop's Stortford CM23 2PG

Detached house · 2018 · 358 m² · Owner-Occupied · Air source heat pump, underfloor, electric

Upgrade Plan

Get upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Solar photovoltaic panels(optional, beyond B)£3,500 – £5,500£8450+ yrs+2.7 pts
Solar water heating(optional, beyond B)£4,000 – £6,000£7150+ yrs+2.3 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

£2,756
per year at grade B
£2,601
per year at grade B

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2022, states £1,827 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

24 February 2009£400,000

Estimated today: £811,583 HPI-indexed estimate, not a valuation

Maze Green Road: 77 sales since 1995 · £1,166,344 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
St Joseph's Catholic Primary School B/SPrimary0.3 mi
Northgate Primary SchoolPrimary0.3 mi
Hillmead Primary SchoolPrimary0.4 mi
St Mary's Catholic SchoolSecondary0.3 miProgress 8 +0.43 · above average (2023/24)
TLC Live Online SchoolSecondary0.7 miNot in the KS4 performance tables
Avanti Grange Secondary SchoolSecondary1.0 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.

12.5
crimes a month
137
in the last 12 months
Violence and sexual offences
most common · 47% of the total

Police.uk street-level data for LSOA E01023453, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Maze Green Road

How this home sits against its street.

43
graded homes
63.3
average score
D
most common grade
+17.7
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.