23 High Street, Berkhamsted HP4 2BX

Mid-Terrace house · Built 1900-1929 · 67 m² · Owner-Occupied · Boiler and radiators, mains gas

Upgrade Plan

CB for £5,000 · £5,000 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Solar water heating£4,000 – £6,000£2050+ yrs+5.9 pts · reaches B
Solar photovoltaic panels(optional, beyond B)£5,000 – £8,000£2350+ yrs+7.1 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

£754
per year at grade C
£711
per year at grade B

The full plan saves £20 a year — a 0.4% annual return on £5,000.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2019, states £478 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

26 October 2021£510,000
25 October 2019£470,000
11 January 2019£441,100
19 March 2015£372,500
1 May 2009£240,000
24 November 2006£249,950
19 December 2003£194,500
8 August 2001£157,000
22 May 1998£107,500
8 May 1997£20,000

Estimated today: £570,871 HPI-indexed estimate, not a valuation

High Street: 766 sales since 1995 · £390,025 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
Swing Gate Infant School and NurseryPrimaryunder 0.1 mi
Victoria Church of England Infant and Nursery SchoolPrimary0.4 mi
The Thomas Coram Church of England SchoolPrimary0.8 mi
Ashlyns SchoolSecondary0.4 miProgress 8 +0.36 · above average (2023/24)
John F Kennedy Catholic SchoolSecondary2.4 miProgress 8 +0.15 · average (2023/24)
Laureate AcademySecondary3.1 miProgress 8 -0.22 · below 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.

12.5
crimes a month
138
in the last 12 months
Anti-social behaviour
most common · 33% of the total

Police.uk street-level data for LSOA E01023366, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

High Street

How this home sits against its street.

390
graded homes
70.5
average score
C
most common grade
+5.5
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.