439 Northdown Road, Margate CT9 3LB

Semi-Detached house · Built 1930-1949 · 93 m² · Owner-occupied · Boiler and radiators, mains gas

Upgrade Plan

DB for £21,595 · £10,798 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Floor insulation£800 – £1,200£1556.4 yrs+6.5 pts
Heating controls£350 – £450£577.1 yrs+2.4 pts
Cavity wall insulation£500 – £1,500£1168.6 yrs+4.8 pts · reaches C
Low energy lighting£95£714.0 yrs+0.3 pts
Band A condensing boiler£2,200 – £3,000£9627.2 yrs+4.0 pts
Solar water heating£4,000 – £6,000£12141.5 yrs+5.0 pts
Solar photovoltaic panels£9,000 – £14,000£14450+ yrs+6.0 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

£1,573
per year at grade D
£878
per year at grade B

The full plan saves £695 a year — a 3.2% annual return on £21,595.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2014, states £1,051 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

17 August 2020£325,000
29 September 2014£223,500

Estimated today: £380,355 HPI-indexed estimate, not a valuation

Northdown Road: 390 sales since 1995 · £232,321 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
Cliftonville Primary SchoolPrimary0.3 mi
Palm Bay Primary SchoolPrimary0.3 mi
Northdown Primary SchoolPrimary0.5 mi
Dane Court Grammar SchoolSecondary1.7 miProgress 8 +0.69 · well above average (2023/24)
The Charles Dickens SchoolSecondary1.7 miProgress 8 +0.22 · above average (2023/24)
Hartsdown AcademySecondary2.1 miProgress 8 -0.39 · below 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.

4.2
crimes a month
42
in the last 12 months
Violence and sexual offences
most common · 43% of the total

Police.uk street-level data for LSOA E01024655, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Northdown Road

How this home sits against its street.

267
graded homes
61.4
average score
D
most common grade
-5.4
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.