9 Blunesfield, Potters Bar EN6 5DG

End-Terrace flat · Built 1950-1966 · 81 m² · Rented (private) · Boiler and radiators, mains gas

Upgrade Plan

ED for £1,400 · £1,400 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Heating controls£350 – £450£934.3 yrs+2.7 pts
Cavity wall insulation£500 – £1,500£1915.2 yrs+5.5 pts · reaches D
Low energy lighting(optional, beyond D)£75£116.7 yrs+0.3 pts
Band A condensing boiler(optional, beyond D)£2,200 – £3,000£15716.6 yrs+4.5 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

£1,716
per year at grade E
£1,264
per year at grade D

The full plan saves £284 a year — a 20.3% annual return on £1,400.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2012, states £1,014 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

18 November 2005£200,000
9 September 2003£162,000

Estimated today: £325,773 HPI-indexed estimate, not a valuation

Blunesfield: 26 sales since 1995 · £280,600 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
Oakmere Primary SchoolPrimary0.4 mi
Little Heath Primary SchoolPrimary0.5 mi
Ladbrooke Junior Mixed and Infant SchoolPrimary0.6 mi
Gracewood AcademySecondary0.7 miNot in the KS4 performance tables
Dame Alice Owen's SchoolSecondary1.8 miProgress 8 +0.92 · well above average (2023/24)
Chancellor's SchoolSecondary2.0 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.

7.5
crimes a month
60
in the last 12 months
Violence and sexual offences
most common · 33% of the total

Police.uk street-level data for LSOA E01023571, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Blunesfield

How this home sits against its street.

11
graded homes
59.1
average score
C
most common grade
-9.1
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.