Mill Cottage, Mullion, Helston TR12 7EU

Detached house · Built before 1900 · 130 m² · Owner-Occupied · Boiler and underfloor heating, oil

Upgrade Plan

DB for £7,000 · £3,500 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Solar water heating£6,000 – £0£1950+ yrs+7.7 pts · reaches C
Solar photovoltaic panels£8,000 – £0£2250+ yrs+9.1 pts · reaches B
Wind turbine(optional, beyond B)£25,000 – £0£2050+ yrs+8.2 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

£1,290
per year at grade D
£1,229
per year at grade B

The full plan saves £41 a year — a 0.6% annual return on £7,000.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2016, states £841 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

No sale recorded for this address since 1995.

Schools nearby

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

SchoolPhaseDistanceProgress
Mullion Primary SchoolPrimary0.8 mi
Grade-Ruan CofE Primary SchoolPrimary3.5 mi
Landewednack Community Primary SchoolPrimary3.9 mi
Mullion SchoolSecondary1.0 miProgress 8 +0.15 · average (2023/24)
Helston Community CollegeSecondary6.4 miProgress 8 -0.48 · below average (2023/24)
Penryn CollegeSecondary12.1 miProgress 8 +0.14 · 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.

11
crimes a month
121
in the last 12 months
Violence and sexual offences
most common · 45% of the total

Police.uk street-level data for LSOA E01018904, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.