15 Woodside Road Northwood Data via plota.co.uk
Approved at planning committee on 14 October 2026. The council has not issued its decision notice yet.
Proposal
Erection of a single storey rear extension and creation of basement level, with associated works. Data via plota.co.uk
Application progress
Under consideration
No decision has been issued yet. Plota predicted a decision around 29 Oct 2026; it is now day 190.
Planning committee
Decided by Hillingdon Planning Committee on 14 Oct 2026. The council has not yet issued its decision notice.
Approved
As officers recommended.
- Officers advised approval because the extension was acceptable and safeguards addressed tree, drainage, flooding, amenity and highway concerns.
- Residents and residents’ associations raised concerns about the basement’s effects on trees, flooding, drainage, landscaping and neighbouring land.
- The committee approved the application in accordance with the officer’s recommendation, subject to agreed additional requirements and an informative.
Source: Plota analysis of Hillingdon's committee minutes of 14 Oct 2026.
Site constraints 4
Checked on 6 October 2026. The pin for this application is the centre of its postcode rather than the building, so distances to nearby designations are measured from the postcode and can be out by the width of the postcode area. Historic England, the Environment Agency, Natural England, Transport for London (public transport access levels, Powered by TfL Open Data, OGL v3.0, contains OS data © Crown copyright and database right 2025) 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.
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Important details
- Council
- Hillingdon
- Received
- 23 Mar 2026
- Validated
- 22 Apr 2026
- Ward
- NORTHWOOD HILLS 2022
- Case officer
- Show
- Target decision
- 30 Oct 2026
- Agent
- Show
Decision outlook
Day 190, past the statutory target. 93% of extensions in Hillingdon are decided within thirteen weeks; extensions of time are common, and the council need not decide on the day. Last seen undecided on 28 Oct 2026.
Plota live figures for extensions decided by Hillingdon in the last twelve months, from validation. Hillingdon decision record →
Consultation & key dates
- Consultation
- 29 Apr 2026
- Comments by
- 21 May 2026
Hillingdon ranks #194 out of 296 councils for householder decision speed. Householder applications are slightly more likely to be approved here (90%) than the national average (90%).
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15 Woodside Road Northwood
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The consultation period closed on 21 May 2026.