109b High Street, Hemel Hempstead HP1 3AH

Mid-Terrace house · Built before 1900 · 53 m² · No system present: electric heaters assumed

Upgrade Plan

GE for £18,668 · £9,334 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
High-retention storage heaters£400 – £1,000£2323.0 yrs+10.7 pts · reaches F
Low energy lighting£18£53.5 yrs+0.2 pts
Loft insulation£100 – £300£563.6 yrs+2.6 pts
Wind turbine£1,500 – £4,000£9828.2 yrs+4.5 pts
Solar water heating£4,000 – £6,000£9150+ yrs+4.2 pts
Solid wall insulation£5,500 – £14,500£12750+ yrs+5.9 pts · reaches E
Double glazing(optional, beyond E)£2,500 – £6,500£4350+ yrs+2.0 pts
Solar photovoltaic panels(optional, beyond E)£11,000 – £20,000£10950+ yrs+5.0 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

£1,509
per year at grade G
£748
per year at grade E

The full plan saves £609 a year — a 3.3% annual return on £18,668.

Energy costs as modelled on the certificate, not a bill. This fuel has too few recent certificates to restate at today's prices.

Sold prices

No sale recorded for this address since 1995.

High Street: 204 sales since 1995 · £308,457 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
George Street Primary SchoolPrimary0.2 mi
Gade Valley Primary SchoolPrimary0.5 mi
St Cuthbert Mayne Voluntary Catholic Junior AcademyPrimary0.5 mi
Laureate AcademySecondary0.5 miProgress 8 -0.22 · below average (2023/24)
The Hemel Hempstead SchoolSecondary0.8 miProgress 8 -0.14 · average (2023/24)
The Adeyfield AcademySecondary1.1 miProgress 8 -0.97 · well 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.

34
crimes a month
374
in the last 12 months
Violence and sexual offences
most common · 31% of the total

Police.uk street-level data for LSOA E01023399, 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.

126
graded homes
59.7
average score
D
most common grade
-43.7
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.