21 Devonshire Avenue, Grimsby DN32 0BW

Detached house · Built 1950-1966 · 186 m² · Owner-Occupied · Boiler and radiators, mains gas

Upgrade Plan

Get upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Floor insulation(optional, beyond C)£5,000 – £10,000£5450+ yrs+2.6 pts
Solar photovoltaic panels(optional, beyond C)£8,000 – £10,000£5050+ yrs+2.4 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

£2,190
per year at grade C
£2,086
per year at grade C

Energy costs as modelled on the certificate, not a bill.

Sold prices

28 April 2021£350,000
14 November 2005£325,000
12 November 2002£205,000

Estimated today: £414,977 HPI-indexed estimate, not a valuation

Devonshire Avenue: 35 sales since 1995 · £272,900 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
Lisle Marsden Church of England Primary AcademyPrimary0.3 mi
Oasis Academy NunsthorpePrimary0.6 mi
Scartho Junior AcademyPrimary0.7 mi
Oasis Academy WintringhamSecondary0.5 miProgress 8 -0.68 · well below average (2023/24)
Ormiston Maritime AcademySecondary0.5 miProgress 8 -0.76 · well below average (2023/24)
Havelock AcademySecondary1.6 miProgress 8 -0.36 · below 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.

13.9
crimes a month
153
in the last 12 months
Violence and sexual offences
most common · 28% of the total

Police.uk street-level data for LSOA E01013182, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Devonshire Avenue

How this home sits against its street.

17
graded homes
59.9
average score
D
most common grade
+11.1
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.