21 Butterill Drive, Armthorpe, Doncaster DN3 3RY

Semi-Detached house · Built 1967-1975 · 72 m² · Owner-Occupied · Boiler and radiators, mains gas

Upgrade Plan

DB for £14,243 · £7,121 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Hot water cylinder insulation£15 – £400£1711.2 yrs+5.1 pts
Low energy lighting£35£94.0 yrs+0.3 pts
Heating controls£350 – £450£735.5 yrs+2.2 pts
Cavity wall insulation£500 – £1,500£1496.7 yrs+4.4 pts · reaches C
Band A condensing boiler£2,200 – £3,000£12321.2 yrs+3.6 pts
Floor insulation£4,000 – £6,000£20025.1 yrs+5.9 pts
Solar water heating£4,000 – £6,000£15532.3 yrs+4.6 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

£1,757
per year at grade D
£879
per year at grade B

The full plan saves £878 a year — a 6.2% annual return on £14,243.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2015, states £1,211 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

11 July 2025£212,000
28 August 2015£119,000
5 May 2006£125,000
31 July 1998£36,000
12 June 1996£30,000

Estimated today: £220,791 HPI-indexed estimate, not a valuation

Butterill Drive: 29 sales since 1995 · £176,271 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
Tranmoor PrimaryPrimary0.5 mi
Southfield PrimaryPrimary0.5 mi
Our Lady of Sorrows Catholic Voluntary AcademyPrimary1.0 mi
Armthorpe AcademySecondary1.0 miProgress 8 -0.98 · well below average (2023/24)
Outwood Academy DanumSecondary1.7 miProgress 8 -0.17 · average (2023/24)
The McAuley Catholic High SchoolSecondary1.7 miProgress 8 -0.06 · 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.

8.1
crimes a month
73
in the last 12 months
Anti-social behaviour
most common · 32% of the total

Police.uk street-level data for LSOA E01007485, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Butterill Drive

How this home sits against its street.

18
graded homes
63.1
average score
C
most common grade
-4.1
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.