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34 Knightscliffe Way Northampton NN5 6DG

2025/4751/FULLFull Planning PermissionRefused
Full

Refused on 3 July 2026

Council decision: Appeal Pending (Against Refusal)Planning committee1 reason for refusal

Approximate site (title boundary)
Boundary © HM Land Registry, © Ordnance Survey · details

This information is subject to Crown copyright and database rights 2026 and is reproduced with the permission of HM Land Registry. The polygons (including the associated geometry, namely x, y co-ordinates) are subject to Crown copyright and database rights 2026 Ordnance Survey AC0000851063. Conditions of use.

Proposal

Retrospective permission for erection of outbuilding to create annex (incidental to the enjoyment of the dwellinghouse)

Received
29 October 2025
Decision level
Planning committee
Ward
Duston Ward
  1. Received29 Oct
  2. Validated29 Oct
  3. Consult.16 Dec
  4. Target24 Dec
  5. Decided3 Jul

Decided in 247 days (council typically 70)

About this application

This is a full planning application for an outbuilding at 34 Knightscliffe Way Northampton NN5 6DG. West Northamptonshire has handled 9,971 applications of this type. This one was decided in 247 days, 25 weeks longer than West Northamptonshire's typical decision time. There are no previous applications recorded at this address. In the past year there have been 48 applications across Duston Ward. We hold 788 applications in total for the NN5 postcode area.

89% of full applications at West Northamptonshire Council were approved. Across all application types, the council typically decides in about 10 weeks (median).

Based on decided applications received in the last 3 years.Planning something similar? See what gets approved on your street

Why it was refused

  1. The development is unacceptable on the grounds that the outbuilding, by reason of its height, scale, and siting, is unduly dominant and results in a negative impact on the residential amenity of neighbouring properties, contrary to the aims of Policy S10 of the West Northamptonshire Joint Core Strategy (2024), Policies Q1 and Q2 of the Northampton Local Plan Part 2 (adopted 2023) as well as being inconsistent with the guidance contained in the National Planning Policy Framework (2024) which taken together seek to achieve well-designed places and a high standard of sustainable design. Town and Country Planning (Development Management Procedure) (England) Order 2015 and paragraph 39 of the National Planning Policy Framework In accordance with the above, WEST NORTHAMPTONSHIRE COUNCIL has worked with the applicant in a

From the council's decision notice.

Application details

Postcode
NN5 6DG
Application type
Full Planning Permission
Scale / size
Small
Parish
Duston Parish Council

Planning application dates

Date validated
29 October 2025
Last date for comments
16 December 2025
Target decision date
24 December 2025

Applicant and agent

Agent address
Building 3 Grange Park Court Northampton NN4 5EA

Planning decision

Statutory period
56 days

Additional information

Documents
11

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Flood zone 1: Low probability (rivers and sea)

Not published by this council, so not checked: Article 4 directions and tree preservation orders. Ask the council if these matter.

Also checked, none recorded (22)

flood storage areas, conservation areas, listed buildings, green belt, scheduled monuments, World Heritage Sites, World Heritage Site buffer zones, registered parks and gardens, registered battlefields, Heritage at Risk entries, nutrient neutrality catchments, national parks, National Landscapes, SSSIs, Special Areas of Conservation, Special Protection Areas, Ramsar sites, ancient woodland, national nature reserves, local nature reserves, heritage coasts and brownfield registers.

A guide only, from official open data; it is not a planning search. Flood zones cover rivers and sea, not surface water.

Data © Crown copyright and others · sources and licences

Contains public sector information from planning.data.gov.uk (MHCLG and local planning authorities), licensed under the Open Government Licence v3.0. © Crown copyright and database right 2026.

© Historic England 2026. Contains Ordnance Survey data © Crown copyright and database right 2026. The Historic England GIS Data contained in this material was obtained on 2026-11-03. The most publicly available up to date Historic England GIS Data can be obtained from HistoricEngland.org.uk.

© Natural England copyright. Contains Ordnance Survey data © Crown copyright and database right 2026.

© Environment Agency copyright and/or database right 2026. All rights reserved. Flood Map for Planning, Open Government Licence v3.0.

Contains Ordnance Survey data © Crown copyright and database right 2026.

Source: Office for National Statistics licensed under the Open Government Licence v.3.0. Contains OS data © Crown copyright and database right 2026.

Source: West Northamptonshire

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