21 Blake Avenue, Doncaster DN2 4EA

Semi-Detached house · Built 1930-1949 · 73 m² · Rented (Private) · Boiler and radiators, mains gas

Upgrade Plan

DB for £10,515 · £5,258 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Low energy lighting£15£26.5 yrs+0.3 pts
Floor insulation£800 – £1,200£5219.1 yrs+5.8 pts · reaches C
Solar photovoltaic panels£3,500 – £5,500£4950+ yrs+5.4 pts
Solar water heating£4,000 – £6,000£4150+ yrs+4.5 pts · reaches B

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

£1,078
per year at grade D
£934
per year at grade B

The full plan saves £144 a year — a 1.4% annual return on £10,515.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2020, states £690 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

26 August 2020£100,000
8 September 2006£113,500
16 December 2002£69,950
28 June 1996£30,000

Estimated today: £136,192 HPI-indexed estimate, not a valuation

Blake Avenue: 40 sales since 1995 · £112,208 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
Park Primary SchoolPrimary0.3 mi
Kingfisher Primary AcademyPrimary0.6 mi
Our Lady of Mount Carmel Catholic Primary SchoolPrimary0.7 mi
Hall Cross AcademySecondary0.9 miProgress 8 +0.55 · well above average (2023/24)
Doncaster UTCSecondary1.2 miProgress 8 +0.03 · average (2023/24)
Outwood Academy DanumSecondary1.3 miProgress 8 -0.17 · 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.

7.4
crimes a month
67
in the last 12 months
Violence and sexual offences
most common · 39% of the total

Police.uk street-level data for LSOA E01007653, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Blake Avenue

How this home sits against its street.

14
graded homes
65.4
average score
D
most common grade
+1.6
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.