4 Mabel Cottages, Main Road, Longfield DA3 7PN

Mid-Terrace house · Built before 1900 · 77 m² · Owner-Occupied · Boiler and radiators, mains gas

Upgrade Plan

DB for £23,725 · £11,863 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Loft insulation£100 – £350£514.4 yrs+2.7 pts
Solar photovoltaic panels£3,500 – £5,500£10045.2 yrs+5.2 pts · reaches C
Floor insulation£4,000 – £6,000£10846.5 yrs+5.6 pts
Solar water heating£4,000 – £6,000£8350+ yrs+4.4 pts
Solid wall insulation£4,000 – £14,000£11650+ yrs+6.1 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

£1,294
per year at grade D
£836
per year at grade B

The full plan saves £458 a year — a 1.9% annual return on £23,725.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2020, states £817 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

11 December 2020£315,000
12 May 2011£160,000
12 October 2001£101,000
30 November 1998£67,000

Estimated today: £353,937 HPI-indexed estimate, not a valuation

Mabel Cottages: 12 sales since 1995

Schools nearby

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

SchoolPhaseDistanceProgress
Langafel Church of England Voluntary Controlled Primary SchoolPrimaryunder 0.1 mi
Our Lady of Hartley Catholic Primary School, Hartley, LongfieldPrimary0.8 mi
Leigh Academy HartleyPrimary1.0 mi
Leigh Academy LongfieldSecondary0.3 miProgress 8 -0.38 · below average (2023/24)
Meopham SchoolSecondary2.6 miProgress 8 -0.40 · below average (2023/24)
Northfleet School for GirlsSecondary2.6 miProgress 8 -0.17 · 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.

6.5
crimes a month
65
in the last 12 months
Anti-social behaviour
most common · 57% of the total

Police.uk street-level data for LSOA E01024160, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Mabel Cottages

How this home sits against its street.

4
graded homes
63.5
average score
D
most common grade
-0.5
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.