346 Manchester Road Altrincham WA14 5NH Data via plota.co.uk
Proposal
Formation of rear dormer, relocation of external staircase with new access at first floor level and alterations to elevations including 2no. front rooflights Data via plota.co.uk
Application progress
Under consideration
No decision has been issued yet. Plota predicted a decision around 28 Oct 2026; it is now day 57.
Documents 9
Statements & assessments 1
Plans & drawings 6
Site constraints 4
Checked on 6 October 2026. Historic England, the Environment Agency, Natural England 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.
Building
From the energy performance certificate lodged in September 2024, the latest held for this property. The building may have changed since. View the certificate
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Important details
Decision outlook
Day 57, past the statutory target. 94% of extensions in Trafford are decided within thirteen weeks, which runs to 1 Dec 2026; extensions of time are common, and the council need not decide on the day. Last seen undecided on 21 Oct 2026.
Plota live figures for extensions decided by Trafford in the last twelve months, from validation. Trafford decision record →
Public comments
No public comments yet.
6 neighbours consulted · Last counted 21 Oct 2026
Consultation & key dates
- Alt. reference
- PP-15131895
- Planning Portal ref
- PP-15131895
- Neighbours
- 2 Sept 2026
- Consultation
- 2 Sept 2026
- Comments by
- 23 Sept 2026
- Env. assessment
- No
Historical activity at this location
26 previous applications on record - archival context, not part of the live application.
Previous applications at this address
Nearby activity
Trafford ranks #120 out of 296 councils for householder decision speed. Householder applications are slightly less likely to be approved here (89%) than the national average (90%).
Freehold boundary: © Crown copyright and database rights 2026, HM Land Registry. Polygons © Crown copyright and database rights 2026 Ordnance Survey 100026316. Conditions of use
Energy performance: Energy performance certificates from the Energy Performance of Buildings Register, Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright 2026.
Freehold owner: Information produced by HM Land Registry. © Crown copyright 2026. Source: HM Land Registry, UK and overseas companies that own property in England and Wales, September 2026 release.
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346 Manchester Road Altrincham WA14 5NH
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The consultation period closed on 23 Sept 2026.