23 Nicholls Avenue Hillingdon Data via plota.co.uk
Proposal
Single-storey rear and side extension, new front porch, addition of a first floor with flat-roof and gable dormer windows, and alteration of the main front roof from hipped to gable-end with a raised ridge height (not over the single storey side extension). Data via plota.co.uk
Application progress
This application is under consideration - no decision has been issued yet. Plota predicts a decision around 27 Oct 2026, from Hillingdon's recent extensions. Comments are open until 14 Oct 2026.
Comment on this application ↗Site constraints 3
Checked on 24 September 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.
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Important details
- Council
- Hillingdon
- Received
- 3 Sept 2026
- Validated
- 3 Sept 2026
- Ward
- COLHAM & COWLEY
- Case officer
- Show
- Target decision
- 29 Oct 2026
- Agent
- Show
Decision outlook
Day 31 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
- 23 Sept 2026
- Comments by
- 14 Oct 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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23 Nicholls Avenue Hillingdon
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