Blackdown House, Briantspuddle, Dorchester DT2 7HX

Detached house · Built 1900-1929 · 502 m² · Owner-Occupied · Boiler and radiators, oil

Upgrade Plan

EC for £35,900 · £17,950 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Draughtproofing£80 – £120£4520.2 yrs+5.4 pts
Cavity wall insulation£500 – £1,500£4012.5 yrs+4.8 pts
Floor insulation£800 – £6,000£5376.3 yrs+6.4 pts · reaches D
Solar photovoltaic panels£5,000 – £8,000£49713.1 yrs+5.9 pts
Double glazing£3,300 – £6,500£19425.2 yrs+2.3 pts
Wind turbine£15,000 – £25,000£44545.0 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

£6,844
per year at grade E
£4,318
per year at grade C

The full plan saves £2,526 a year — a 7.0% annual return on £35,900.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2017, states £4,174 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
Bovington AcademyPrimary2.7 mi
Milborne St Andrew First SchoolPrimary3.2 mi
Frome Valley CofE First SchoolPrimary3.9 mi
The Purbeck SchoolSecondary7.1 miProgress 8 +0.60 · well above average (2023/24)
The Blandford SchoolSecondary9.6 miProgress 8 -0.33 · 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.

7.1
crimes a month
71
in the last 12 months
Violence and sexual offences
most common · 32% of the total

Police.uk street-level data for LSOA E01020490, 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.