12 Clumber Drive Northampton NN3 3NX Data via plota.co.uk
Proposal
Second-floor extension to enlarge an existing bedroom and create an additional bedroom, together with associated internal alterations including a walk-in wardrobe and en-suite. No changes are proposed to the ground floor. Data via plota.co.uk
Application progress
Approved on 21 Sept 2026 · Delegated · Last checked 28 Sept 2026
Documents 11
Decision & officer reports 1
Plans & drawings 6
Application forms 1
Consultation & comments 1
Site constraints 3
Checked on 6 October 2026. Historic England, the Environment Agency, Natural England, the British Geological Survey and UK Health Security Agency (radon, contains BGS materials © UKRI) and council datasets, Open Government Licence. A boundary can run through a site and the council holds the definitive record: confirm with the council before relying on this.
Sales history 1
Last sold for £121,000 in October 1998. Detached house, freehold.
Sale prices from HM Land Registry's price paid record, matched to this application by its address.
Every application in West Northamptonshire - and every UK council - as a live feed, an API, or a bulk CSV export.
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Important details
- Council
- West Northamptonshire
- Application type
- Householder Planning Permission
- Postcode
- NN3 3NX
- Received
- 6 Aug 2026
- Validated
- 6 Aug 2026
- Ward
- Weston Favell and Abington Vale Ward
- Parish
- Northampton Town Council
- Target decision
- 1 Oct 2026
- Decision
- Approval
- Decision date
- 21 Sept 2026
- Decision level
- Delegated
How this decision compares
Decided in 46 days from validation, 28 days faster than West Northamptonshire's median of 74 for extensions. Approved, as 92% of extensions here are.
Plota live figures for extensions decided by West Northamptonshire in the last twelve months, from validation. West Northamptonshire decision record →
Consultation & key dates
- Comments by
- 19 Sept 2026
Historical activity at this location
17 nearby applications on record - archival context, not part of the live application.
Nearby activity
West Northamptonshire is one of the slowest councils in England for householder decisions, ranking #295 out of 296. The council extends the time limit on 79% of applications - one of the highest rates in England. Expect your application to take longer than the standard deadline. Householder applications are slightly more likely to be approved here (93%) than the national average (90%).
Sale prices: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.
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12 Clumber Drive Northampton NN3 3NX
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