6 Mill Close, Heathfield TN21 0XB

Mid-Terrace house · Built 1967-1975 · 78 m² · Owner-Occupied · Boiler and radiators, mains gas

Upgrade Plan

CB for £3,230 · £3,230 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Low energy lighting£30£310.0 yrs+0.2 pts
Floor insulation£800 – £1,200£6814.7 yrs+4.7 pts
Cavity wall insulation£500 – £1,500£5119.6 yrs+3.5 pts
Double glazing£1,000 – £1,400£2548.6 yrs+1.7 pts · reaches B
Solar photovoltaic panels(optional, beyond B)£3,500 – £5,500£6350+ yrs+4.3 pts
Solar water heating(optional, beyond B)£4,000 – £6,000£5350+ yrs+3.6 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

£1,032
per year at grade C
£769
per year at grade B

The full plan saves £147 a year — a 4.6% annual return on £3,230.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2022, states £620 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

1 June 2022£325,000
21 December 2009£184,000
15 October 2004£175,000

Estimated today: £312,717 HPI-indexed estimate, not a valuation

Mill Close: 32 sales since 1995 · £317,375 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
Cross-in-Hand Church of England Primary SchoolPrimary0.1 mi
Parkside Community Primary SchoolPrimary1.0 mi
All Saints' and St Richard's Church of England Primary SchoolPrimary1.5 mi
Heathfield Community CollegeSecondary1.4 miProgress 8 +0.30 · above average (2023/24)
Uckfield CollegeSecondary6.1 miProgress 8 +0.27 · above average (2023/24)
Beacon AcademySecondary6.7 miProgress 8 +0.50 · 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.

8.1
crimes a month
81
in the last 12 months
Violence and sexual offences
most common · 35% of the total

Police.uk street-level data for LSOA E01021150, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Mill Close

How this home sits against its street.

15
graded homes
60
average score
D
most common grade
+11.0
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.