Rear Flat, 21 Bargate, Grimsby DN34 4SS

End-Terrace maisonette · Built 1900-1929 · 51 m² · Rented (Private) · Boiler and radiators, mains gas

Upgrade Plan

DC for £10,400 · £10,400 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Floor insulation£800 – £1,200£2334.3 yrs+7.0 pts
Heating controls£350 – £450£854.7 yrs+2.5 pts
Solid wall insulation£4,000 – £14,000£25235.8 yrs+7.5 pts · reaches C

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

£1,363
per year at grade D
£794
per year at grade C

The full plan saves £569 a year — a 5.5% annual return on £10,400.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2024, states £1,423 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

12 April 2024£80,000
15 June 2021£37,000
16 April 2021£78,000
28 January 2013£59,000
31 August 2007£92,900
13 April 2006£103,000
12 July 2004£97,750
11 April 2003£49,000
18 October 2002£39,000
31 August 2000£30,000
16 November 1999£38,100

Estimated today: £80,409 HPI-indexed estimate, not a valuation

Bargate: 168 sales since 1995 · £169,033 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
Ormiston South Parade AcademyPrimary0.5 mi
Macaulay Primary AcademyPrimary0.7 mi
Edward Heneage Primary AcademyPrimary0.8 mi
Ormiston Maritime AcademySecondary0.5 miProgress 8 -0.76 · well below average (2023/24)
Oasis Academy WintringhamSecondary1.0 miProgress 8 -0.68 · 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.

24
crimes a month
264
in the last 12 months
Violence and sexual offences
most common · 42% of the total

Police.uk street-level data for LSOA E01013187, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Bargate

How this home sits against its street.

91
graded homes
57.5
average score
D
most common grade
-2.5
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.