21 Fairlyn Drive, Bolton BL5 1HJ

Detached bungalow · Built 1967-1975 · 71 m² · Owner-Occupied · Boiler and radiators, mains gas

Upgrade Plan

DB for £9,750 · £4,875 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Flue gas heat recovery£400 – £900£847.8 yrs+4.6 pts
Floor insulation£800 – £1,200£8611.6 yrs+4.8 pts · reaches C
Cavity wall insulation£500 – £1,500£6415.5 yrs+3.6 pts
Band A condensing boiler£2,200 – £3,000£5349.1 yrs+2.9 pts
Solar photovoltaic panels£3,500 – £5,500£8050+ yrs+4.4 pts · reaches B
Solar water heating(optional, beyond B)£4,000 – £6,000£6750+ yrs+3.7 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

£1,319
per year at grade D
£885
per year at grade B

The full plan saves £367 a year — a 3.8% annual return on £9,750.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2019, states £835 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

3 December 2019£207,000
31 October 2008£175,000
28 June 2004£165,000
21 April 1999£83,000
27 June 1997£66,995

Estimated today: £304,558 HPI-indexed estimate, not a valuation

Fairlyn Drive: 34 sales since 1995 · £219,720 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
St Andrew's CofE Primary School, Over HultonPrimary0.3 mi
Heathfield Primary SchoolPrimary1.1 mi
St Philip's CofE Primary School, AthertonPrimary1.2 mi
Essa AcademySecondary1.3 miProgress 8 +0.73 · well above average (2023/24)
King's Leadership Academy BoltonSecondary1.4 miProgress 8 +0.14 · average (2023/24)
Atherton High SchoolSecondary1.7 miProgress 8 0.00 · 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.

Fairlyn Drive

How this home sits against its street.

18
graded homes
61.8
average score
D
most common grade
-0.8
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.