9 Gynwell, Naseby, Northampton NN6 6DB

Detached house · Built 2003-2006 · 194 m² · Owner-Occupied · Boiler and underfloor heating, oil

Upgrade Plan

Get upgrade quotes
MeasureGrantNet costSaving / yrPaybackGrade effect
High-performance doors(optional, beyond C)£2,500 – £500£3443.8 yrs+2.6 pts
Solar water heating(optional, beyond C)£4,000 – £6,000£3350+ yrs+2.5 pts
Solar photovoltaic panels(optional, beyond C)£5,000 – £8,000£4050+ yrs+3.0 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

£1,656
per year at grade C
£1,549
per year at grade C

Restated at the fuel prices assumed in July 2026. This certificate, assessed in 2019, states £1,011 a year at the prices assumed then. Modelled costs, not a bill.

Sold prices

25 September 2020£475,000
31 October 2019£485,000
12 November 2009£360,000

Estimated today: £561,160 HPI-indexed estimate, not a valuation

Gynwell: 11 sales since 1995 · £498,400 average over 10 years

Schools nearby

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

SchoolPhaseDistanceProgress
Naseby Church of England Primary AcademyPrimaryunder 0.1 mi
Clipston Endowed Voluntary Controlled Primary SchoolPrimary2.7 mi
Guilsborough Church of England Primary SchoolPrimary3.1 mi
Guilsborough AcademySecondary3.2 miProgress 8 -0.17 · average (2023/24)
Welland Park AcademySecondary6.2 miProgress 8 +0.37 · above average (2023/24)
The Robert Smyth AcademySecondary7.0 miProgress 8 +0.37 · 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.

11
crimes a month
121
in the last 12 months
Violence and sexual offences
most common · 23% of the total

Police.uk street-level data for LSOA E01027005, to 2026-06. An LSOA holds about 1,500 people, so this covers far more than one street.

Gynwell

How this home sits against its street.

9
graded homes
56.7
average score
D
most common grade
+12.3
this home vs street
Energy data © Crown copyright, EPB Register© HM Land Registry, OGL v3We grade homes, never neighbourhoods.