Flat 5, Kingsgate Castle, Joss Gap Road, Broadstairs CT10 3PH

Detached maisonette · Built before 1900 · 70 m² · Owner-Occupied · Boiler and radiators, mains gas

Upgrade Plan

FC for £15,175 · £5,058 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Draughtproofing£80 – £120£5350.2 yrs+12.5 pts
Flat roof insulation£850 – £1,500£4822.4 yrs+11.2 pts · reaches E
Solid wall insulation£4,000 – £14,000£68613.1 yrs+16.0 pts · reaches D
Double glazing£3,300 – £6,500£23021.3 yrs+5.3 pts · reaches C

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

£2,955
per year at grade F
£1,023
per year at grade C

The full plan saves £1,932 a year — a 12.7% annual return on £15,175.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2023, states £4,028 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

22 September 1995£35,000

Estimated today: £190,159 HPI-indexed estimate, not a valuation

Joss Gap Road: 80 sales since 1995 · £504,476 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
Callis Grange Nursery and Infant SchoolPrimary1.1 mi
Palm Bay Primary SchoolPrimary1.1 mi
St Peter-in-Thanet CofE Junior SchoolPrimary1.1 mi
The Charles Dickens SchoolSecondary1.8 miProgress 8 +0.22 · above average (2023/24)
Dane Court Grammar SchoolSecondary1.9 miProgress 8 +0.69 · well above average (2023/24)
The Royal Harbour AcademySecondary3.2 miProgress 8 -1.02 · well 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.

7
crimes a month
70
in the last 12 months
Violence and sexual offences
most common · 50% of the total

Police.uk street-level data for LSOA E01024675, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Joss Gap Road

How this home sits against its street.

39
graded homes
67.1
average score
C
most common grade
-43.1
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.