89 Mill Street, St. Osyth, Clacton-On-Sea CO16 8EW

Semi-Detached house · Built before 1900 · 59 m² · Rented (Private) · Portable electric heaters assumed for most rooms

Upgrade Plan

GC for £28,800 · £7,200 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Draughtproofing£80 – £120£1790.6 yrs+7.4 pts
Loft insulation£100 – £350£1012.2 yrs+4.2 pts · reaches F
High-performance doors£500£1702.9 yrs+7.1 pts
Flat roof insulation£850 – £1,500£1617.3 yrs+6.7 pts
Floor insulation£800 – £6,000£21316.0 yrs+8.8 pts · reaches E
Solar photovoltaic panels£3,500 – £5,500£19722.9 yrs+8.2 pts
Solar water heating£4,000 – £6,000£16530.3 yrs+6.9 pts · reaches D
Solid wall insulation£4,000 – £14,000£23039.2 yrs+9.5 pts
Double glazing£3,300 – £6,500£7750+ yrs+3.2 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

£2,388
per year at grade G
£895
per year at grade C

The full plan saves £1,493 a year — a 5.2% annual return on £28,800.

Energy costs as modelled on the certificate, not a bill. This fuel has too few recent certificates to restate at today's prices.

Sold prices

24 November 2022£187,000
17 January 2003£72,000
9 May 2002£52,500

Estimated today: £176,044 HPI-indexed estimate, not a valuation

Mill Street: 107 sales since 1995 · £323,037 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
St Osyth Church of England Primary SchoolPrimary0.6 mi
Brightlingsea Primary School and NurseryPrimary2.1 mi
Sir Martin Frobisher AcademyPrimary2.1 mi
Colne Community SchoolSecondary2.5 miProgress 8 -0.08 · average (2023/24)
Lift ClactonSecondary3.2 miProgress 8 -0.83 · well below average (2023/24)
Clacton County High SchoolSecondary4.0 miProgress 8 -0.35 · 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.

9.5
crimes a month
105
in the last 12 months
Violence and sexual offences
most common · 48% of the total

Police.uk street-level data for LSOA E01022047, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Mill Street

How this home sits against its street.

44
graded homes
51.2
average score
D
most common grade
-41.2
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.