23 Mallory Close, Chesterfield S41 9EW

Detached house · Built 1996-2002 · 83 m² · Rented (Private) · Boiler and radiators, mains gas

Upgrade Plan

CB for £17,100 · £17,100 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Band A condensing boiler£2,200 – £3,000£4650+ yrs+2.8 pts
Solar photovoltaic panels£3,500 – £5,500£7050+ yrs+4.2 pts
Floor insulation£4,000 – £6,000£7550+ yrs+4.5 pts
Solar water heating£4,000 – £6,000£5850+ yrs+3.5 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

£1,297
per year at grade C
£1,048
per year at grade B

The full plan saves £249 a year — a 1.5% annual return on £17,100.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2023, states £1,674 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

29 June 2001£96,495

Estimated today: £345,439 HPI-indexed estimate, not a valuation

Mallory Close: 70 sales since 1995 · £222,545 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
Mary Swanwick Primary SchoolPrimary0.6 mi
Cavendish Junior SchoolPrimary1.0 mi
Whittington Moor Nursery and Infant AcademyPrimary1.1 mi
Whittington Green SchoolSecondary0.9 miProgress 8 -0.15 · average (2023/24)
Outwood Academy NewboldSecondary1.6 miProgress 8 +0.38 · above average (2023/24)
St Mary's Catholic High School, A Catholic Voluntary AcademySecondary1.6 miProgress 8 +0.50 · above 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.

15.8
crimes a month
158
in the last 12 months
Violence and sexual offences
most common · 39% of the total

Police.uk street-level data for LSOA E01019573, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Mallory Close

How this home sits against its street.

20
graded homes
68.3
average score
D
most common grade
+0.7
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.