9a Trinity Street, Gainsborough DN21 2AL

Semi-Detached house · Built 1900-1929 · 173 m² · Rented (Private) · Boiler and radiators, mains gas

Upgrade Plan

CB for £15,175 · £15,175 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Flat roof insulation£850 – £1,500£2404.9 yrs+3.7 pts
Floor insulation£4,000 – £6,000£31515.9 yrs+4.9 pts
Solid wall insulation£4,000 – £14,000£34126.4 yrs+5.3 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

£2,794
per year at grade C
£1,898
per year at grade B

The full plan saves £896 a year — a 5.9% annual return on £15,175.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2021, states £1,688 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

No sale recorded for this address since 1995.

Trinity Street: 127 sales since 1995 · £119,992 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
Benjamin Adlard Primary SchoolPrimary0.5 mi
The Gainsborough Parish Church Primary SchoolPrimary0.5 mi
White's Wood AcademyPrimary0.6 mi
The Queen Elizabeth's High School, GainsboroughSecondary1.1 miProgress 8 +0.26 · above average (2023/24)
The Gainsborough AcademySecondary1.1 miProgress 8 -0.81 · well below average (2023/24)
Tuxford AcademySecondary12.2 miProgress 8 -0.20 · 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.

106.5
crimes a month
1,172
in the last 12 months
Violence and sexual offences
most common · 27% of the total

Police.uk street-level data for LSOA E01026384, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Trinity Street

How this home sits against its street.

86
graded homes
58.5
average score
D
most common grade
+10.5
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.