Treleaver, Mithian Downs, St. Agnes TR5 0PY

Detached house · Built before 1900 · 143 m² · Owner-Occupied · Boiler and radiators, smokeless fuel

Upgrade Plan

FA for £25,648 · £5,130 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Hot water cylinder insulation£15 – £30£3010.1 yrs+6.3 pts
Loft insulation£100 – £350£1681.3 yrs+3.5 pts · reaches E
Heating controls£350 – £450£1283.1 yrs+2.7 pts
Cavity wall insulation£500 – £1,500£2633.8 yrs+5.5 pts
Biomass boiler£5,000 Boiler Upgrade Scheme£2,000 – £8,000£1,1724.3 yrs+24.7 pts · reaches C
Floor insulation£4,000 – £6,000£35214.2 yrs+7.4 pts
Solar water heating£4,000 – £6,000£27418.3 yrs+5.8 pts · reaches B
Solid wall insulation£4,000 – £14,000£38123.6 yrs+8.0 pts · reaches A

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

£4,601
per year at grade F
£1,561
per year at grade A

The full plan saves £3,040 a year — a 11.9% annual return on £25,648.

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

No sale recorded for this address since 1995.

Schools nearby

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

SchoolPhaseDistanceProgress
Mithian SchoolPrimary0.9 mi
St Agnes AcademyPrimary1.7 mi
Mount Hawke AcademyPrimary2.1 mi
Richard Lander SchoolSecondary4.2 miProgress 8 +0.07 · average (2023/24)
Redruth SchoolSecondary5.6 miProgress 8 -0.17 · average (2023/24)
Penair SchoolSecondary6.7 miProgress 8 +0.05 · 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.

4.8
crimes a month
43
in the last 12 months
Violence and sexual offences
most common · 35% of the total

Police.uk street-level data for LSOA E01034859, 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.