13 Heronfield, Potters Bar EN6 1JA

Semi-Detached house · Built 1967-1975 · 129 m² · Rented (Private) · Boiler and radiators, mains gas

Upgrade Plan

CB for £16,500 · £16,500 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Floor insulation£5,000 – £10,000£3450+ yrs+4.7 pts
Solar photovoltaic panels£8,000 – £10,000£3150+ yrs+4.3 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

£1,579
per year at grade C
£1,514
per year at grade B

The full plan saves £65 a year — a 0.4% annual return on £16,500.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2026, states £1,458 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

3 July 2017£544,200
9 April 2009£310,000
9 April 2009£310,000
15 October 1999£155,000

Estimated today: £658,495 HPI-indexed estimate, not a valuation

Heronfield: 38 sales since 1995 · £566,622 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
Little Heath Primary SchoolPrimary0.2 mi
Ladbrooke Junior Mixed and Infant SchoolPrimary0.5 mi
Oakmere Primary SchoolPrimary0.7 mi
Gracewood AcademySecondary0.4 miNot in the KS4 performance tables
Dame Alice Owen's SchoolSecondary1.6 miProgress 8 +0.92 · well above average (2023/24)
Chancellor's SchoolSecondary1.7 miProgress 8 +0.35 · 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.

7.9
crimes a month
87
in the last 12 months
Violence and sexual offences
most common · 32% of the total

Police.uk street-level data for LSOA E01023911, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Heronfield

How this home sits against its street.

16
graded homes
65.7
average score
D
most common grade
+6.3
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.