21 Thirlstone Avenue, Oldham OL4 2LF

Mid-Terrace house · Built 1930-1949 · 87 m² · Owner-occupied · Boiler and radiators, mains gas

Upgrade Plan

DB for £20,550 · £10,275 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Floor insulation£800 – £1,200£9210.9 yrs+5.4 pts
Heating controls£350 – £450£3312.0 yrs+2.0 pts · reaches C
Low energy lighting£50£412.4 yrs+0.2 pts
Band A condensing boiler£2,200 – £3,000£5646.1 yrs+3.3 pts
Solar water heating£4,000 – £6,000£7150+ yrs+4.2 pts
Solar photovoltaic panels£9,000 – £14,000£8550+ yrs+5.0 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

£1,344
per year at grade D
£1,002
per year at grade B

The full plan saves £342 a year — a 1.7% annual return on £20,550.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2012, states £793 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

23 August 2002£56,000
23 June 2000£37,000
29 November 1996£28,500

Estimated today: £240,964 HPI-indexed estimate, not a valuation

Thirlstone Avenue: 41 sales since 1995 · £131,500 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
St Thomas Moorside CofE (VA) Primary SchoolPrimary0.5 mi
Hodge Clough Primary SchoolPrimary0.6 mi
Woodlands Primary AcademyPrimary1.2 mi
Waterhead AcademySecondary1.1 miProgress 8 -0.72 · well below average (2023/24)
E-ACT Royton and Crompton AcademySecondary1.8 miProgress 8 -0.53 · well below average (2023/24)
Oasis Academy LeesbrookSecondary2.2 miProgress 8 +0.12 · 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.

Thirlstone Avenue

How this home sits against its street.

12
graded homes
61.8
average score
D
most common grade
+1.2
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.