39 Crabtree Lane, Harpenden AL5 5NT

Detached house · Built 1900-1929 · 198 m² · Boiler and radiators, mains gas

Upgrade Plan

Get upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Low energy lighting(optional, beyond E)£110£250+ yrs+0.0 pts
Solar water heating(optional, beyond E)£4,000 – £6,000£2850+ yrs+0.5 pts
Solid wall insulation(optional, beyond E)£5,500 – £14,500£3950+ yrs+0.7 pts
Double glazing(optional, beyond E)£2,500 – £6,500£1350+ yrs+0.2 pts
Solar photovoltaic panels(optional, beyond E)£11,000 – £20,000£3350+ yrs+0.6 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

£3,531
per year at grade E
£3,416
per year at grade E

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2012, states £2,143 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

12 September 2014£1,450,000
11 July 2012£1,300,000

Estimated today: £2,169,799 HPI-indexed estimate, not a valuation

Crabtree Lane: 229 sales since 1995 · £1,031,591 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
St Dominic Catholic Primary SchoolPrimary0.2 mi
Crabtree Infants' SchoolPrimary0.3 mi
Crabtree Junior SchoolPrimary0.3 mi
Sir John Lawes SchoolSecondary0.7 miProgress 8 +0.79 · well above average (2023/24)
St George's SchoolSecondary0.8 miProgress 8 +0.65 · well above average (2023/24)
Katherine Warington SchoolSecondary0.9 miProgress 8 +0.48 · above 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.

5.5
crimes a month
55
in the last 12 months
Vehicle crime
most common · 36% of the total

Police.uk street-level data for LSOA E01023702, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Crabtree Lane

How this home sits against its street.

94
graded homes
66.6
average score
D
most common grade
-18.6
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.