23 Gloucester Road, Grantham, Grantham NG31 8RJ

Detached house · Built 1983-1990 · 144 m² · Owner-Occupied · Boiler and radiators, mains gas

Upgrade Plan

CB for £14,623 · £14,623 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Hot water cylinder insulation£15 – £30£790.3 yrs+2.8 pts
Low energy lighting£100£424.6 yrs+0.1 pts
Solar photovoltaic panels£3,500 – £5,500£8650+ yrs+3.1 pts
Floor insulation£4,000 – £6,000£9350+ yrs+3.3 pts
Solar water heating£4,000 – £6,000£7250+ yrs+2.6 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

£1,771
per year at grade C
£1,437
per year at grade B

The full plan saves £334 a year — a 2.3% annual return on £14,623.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2021, states £1,103 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

11 June 2021£325,000
7 October 2011£248,000
23 February 2007£230,000
22 December 2003£202,500
28 September 2001£134,750

Estimated today: £369,387 HPI-indexed estimate, not a valuation

Gloucester Road: 89 sales since 1995 · £308,733 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
Poplar Farm SchoolPrimary0.4 mi
West Grantham Church of England Primary AcademyPrimary0.6 mi
The Isaac Newton Primary SchoolPrimary0.8 mi
West Grantham Church of England Secondary AcademySecondary0.6 miProgress 8 -0.28 · below average (2023/24)
The King's School, GranthamSecondary1.2 miProgress 8 +1.10 · well above average (2023/24)
Charles Read AcademySecondary1.3 miProgress 8 +0.58 · well 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.

7.9
crimes a month
79
in the last 12 months
Violence and sexual offences
most common · 65% of the total

Police.uk street-level data for LSOA E01026321, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Gloucester Road

How this home sits against its street.

34
graded homes
64
average score
D
most common grade
+6.0
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.