Corydon, Winterbourne Steepleton, Dorchester DT2 9DX

Detached house · Built 1976-1982 · 204 m² · Owner-Occupied · Boiler and radiators, mains gas

Upgrade Plan

DB for £12,600 · £6,300 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Cavity wall insulation£500 – £1,500£9610.4 yrs+3.4 pts
Room-in-roof insulation£1,500 – £2,700£17711.8 yrs+6.3 pts · reaches C
Solar photovoltaic panels£3,500 – £5,500£11937.8 yrs+4.3 pts
Floor insulation£4,000 – £6,000£12838.9 yrs+4.6 pts · reaches B
Solar water heating(optional, beyond B)£4,000 – £6,000£10050+ yrs+3.6 pts
Wind turbine(optional, beyond B)£15,000 – £25,000£10750+ yrs+3.8 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

£2,782
per year at grade D
£2,055
per year at grade B

The full plan saves £521 a year — a 4.1% annual return on £12,600.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2024, states £2,996 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
Winterbourne Valley Church of England Aided First SchoolPrimary0.8 mi
Damers First SchoolPrimary2.7 mi
St Mary's Church of England First School, CharminsterPrimary3.1 mi
The Thomas Hardye SchoolSecondary3.1 miProgress 8 +0.30 · above average (2023/24)
Dorset Studio SchoolSecondary5.1 miProgress 8 -0.50 · below average (2023/24)
Wey Valley AcademySecondary5.7 miProgress 8 -0.36 · 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.

4.8
crimes a month
24
in the last 12 months
Violence and sexual offences
most common · 25% of the total

Police.uk street-level data for LSOA E01020529, 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.