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3 Walnut Close Silverstone NN12 8TU

2025/4115/FULLFull Planning PermissionApproved
Full

Approved on 19 February 2026

Council decision: ApprovalDelegated (officer decision)5 conditions

Approximate location: the centre of the postcode, not the exact property.

Proposal

Erection of a self contained annexe

Received
15 September 2025
Decision level
Delegated (officer decision)
Ward
Rural South Ward
  1. Received15 Sep
  2. Validated20 Oct
  3. Consult.27 Nov
  4. Target15 Dec
  5. Decided19 Feb

Decided in 122 days (council typically 70)

About this application

This is a full planning application for an outbuilding at 3 Walnut Close Silverstone NN12 8TU. West Northamptonshire has handled 9,971 applications of this type. This one was decided in 157 days, 12 weeks longer than West Northamptonshire's typical decision time. The site is in 1 listed building nearby. There are no previous applications recorded at this address. In the past year there have been 223 applications across Rural South Ward. We hold 1,992 applications in total for the NN12 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

Application details

Postcode
NN12 8TU
Application type
Full Planning Permission
Scale / size
Small
Parish
Silverstone

Planning application dates

Date validated
20 October 2025
Last date for comments
27 November 2025
Target decision date
15 December 2025

Applicant and agent

Agent address
Mr Joe Dunn Suite 121 Watermoor Point Watermoor Road Cirencester GL7 1LF

Planning decision

Statutory period
56 days

Additional information

Documents
13

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations at the address point. Ones next to the site may also apply.

  • 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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