4 Alsa Leys, Elsenham, Bishop's Stortford CM22 6JS

Semi-Detached house · Built 1967-1975 · 74 m² · Owner-Occupied · Boiler and radiators, mains gas

Upgrade Plan

DB for £14,515 · £7,258 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Low energy lighting£15£34.6 yrs+0.3 pts
Solar photovoltaic panels£3,500 – £5,500£6950+ yrs+5.4 pts · reaches C
Floor insulation£4,000 – £6,000£7450+ yrs+5.8 pts
Solar water heating£4,000 – £6,000£5850+ yrs+4.5 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

£1,171
per year at grade D
£967
per year at grade B

The full plan saves £204 a year — a 1.4% annual return on £14,515.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2022, states £703 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

24 March 2023£412,000
8 June 2022£385,000
3 February 2017£337,000

Estimated today: £441,127 HPI-indexed estimate, not a valuation

Alsa Leys: 36 sales since 1995 · £369,094 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
Elsenham Church of England Voluntary Controlled Primary SchoolPrimary0.5 mi
Henham and Ugley Primary and Nursery SchoolPrimary1.3 mi
Bentfield Primary School and NurseryPrimary1.4 mi
Forest Hall SchoolSecondary1.9 miProgress 8 +0.27 · above average (2023/24)
Birchwood High SchoolSecondary3.5 miProgress 8 -0.08 · average (2023/24)
Avanti Grange Secondary SchoolSecondary3.8 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.

10.5
crimes a month
105
in the last 12 months
Violence and sexual offences
most common · 45% of the total

Police.uk street-level data for LSOA E01022063, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Alsa Leys

How this home sits against its street.

24
graded homes
63.5
average score
C
most common grade
+3.5
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.