3 Hedgeside Road Northwood Data via plota.co.uk
Proposal
Erection of a single storey rear extension, following the demolition of the existing conservatory. Landscaping to the rear garden including the erection of a retaining wall and steps. Data via plota.co.uk
Application progress
Under consideration
No decision has been issued yet. Plota predicts a decision around 5 Dec 2026, from Hillingdon's recent extensions.
Site constraints 6
Checked on 27 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, the British Geological Survey and UK Health Security Agency (radon, contains BGS materials © UKRI), 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
- 11 Oct 2026
- Validated
- 12 Oct 2026
- Ward
- NORTHWOOD 2022
- Case officer
- Show
- Target decision
- 7 Dec 2026
- Agent
- Show
Decision outlook
Day 16 of the 56-day target. Hillingdon usually decides extensions by day 54.
Plota live figures for extensions decided by Hillingdon in the last twelve months, from validation. Hillingdon decision record →
Consultation & key dates
- Consultation
- 26 Oct 2026
- Comments by
- 16 Nov 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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3 Hedgeside Road Northwood
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Comments are open until 16 Nov 2026