Old House Farm, The Green, Guilsborough, Northampton NN6 8PT

Semi-Detached house · Built before 1900 · 187 m² · Owner-Occupied · Boiler and radiators, oil

Upgrade Plan

EC for £26,200 · £13,100 a gradeGet upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
Draughtproofing£80 – £120£2430.4 yrs+5.0 pts
Band A condensing boiler£2,200 – £3,000£17714.7 yrs+3.6 pts
Solar photovoltaic panels£3,500 – £5,500£26716.9 yrs+5.5 pts
Floor insulation£4,000 – £6,000£28817.4 yrs+5.9 pts · reaches D
Solar water heating£4,000 – £6,000£22422.4 yrs+4.6 pts
Solid wall insulation£4,000 – £14,000£31228.9 yrs+6.4 pts · reaches C
Double glazing(optional, beyond C)£3,300 – £6,500£10447.0 yrs+2.1 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

£3,670
per year at grade E
£2,056
per year at grade C

The full plan saves £1,510 a year — a 5.8% annual return on £26,200.

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2023, states £4,092 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

21 December 2020£510,000

Estimated today: £608,556 HPI-indexed estimate, not a valuation

The Green: 20 sales since 1995 · £419,213 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
Guilsborough Church of England Primary SchoolPrimaryunder 0.1 mi
West Haddon Endowed Church of England Primary SchoolPrimary2.9 mi
Naseby Church of England Primary AcademyPrimary3.2 mi
Guilsborough AcademySecondary0.9 miProgress 8 -0.17 · average (2023/24)
Houlton SchoolSecondary7.5 miNot in the KS4 performance tables
The Parker E-ACT AcademySecondary8.9 miProgress 8 -0.27 · 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.

9.1
crimes a month
100
in the last 12 months
Violence and sexual offences
most common · 44% of the total

Police.uk street-level data for LSOA E01027027, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

The Green

How this home sits against its street.

18
graded homes
51.6
average score
E
most common grade
-11.6
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.