11 Bowling Close, Harpenden AL5 1QP

Semi-Detached flat · Built 1967-1975 · 64 m² · Electric storage heaters

Upgrade Plan

Get upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Low energy lighting(optional, beyond E)£10£117.4 yrs+0.0 pts
Change of heating system(optional, beyond E)£3,000 – £7,000£3750+ yrs+1.0 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

£1,809
per year at grade E
£1,771
per year at grade E

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2012, states £895 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

31 August 2012£217,000
11 March 2010£195,000
2 August 2004£186,000
30 September 1998£64,995

Estimated today: £328,114 HPI-indexed estimate, not a valuation

Bowling Close: 26 sales since 1995 · £321,063 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
St Dominic Catholic Primary SchoolPrimary0.3 mi
The Grove Junior SchoolPrimary0.4 mi
The Grove Infant and Nursery SchoolPrimary0.5 mi
St George's SchoolSecondary1.0 miProgress 8 +0.65 · well above average (2023/24)
Sir John Lawes SchoolSecondary1.0 miProgress 8 +0.79 · well above average (2023/24)
Katherine Warington SchoolSecondary1.2 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.

31.7
crimes a month
349
in the last 12 months
Shoplifting
most common · 34% of the total

Police.uk street-level data for LSOA E01023701, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Bowling Close

How this home sits against its street.

40
graded homes
72
average score
C
most common grade
-20.0
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.