12 Grove Park Gardens, Chiswick, London, W4 3RZ Data via plota.co.uk
Proposal
GS846070875 - Erection of two additional storeys to the bungalow, a single storey rear extension and a heat pump in the rear garden. Data via plota.co.uk
Application progress
Refused on 7 Sept 2026 · Last checked 12 Sept 2026
Documents 30
Decision & officer reports 2
Statements & assessments 8
Plans & drawings 6
Application forms 1
Other documents 13
Site constraints 5
Checked on 12 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
How this decision compares
Decided in 87 days from validation, 37 days slower than Hounslow's median of 50 for extensions. Refused, as 17% of extensions here are.
Plota live figures for extensions decided by Hounslow in the last twelve months, from validation. Hounslow decision record →
Consultation & key dates
- Consultation
- 12 Jun 2026
- Comments by
- 10 Jul 2026
- Site or press notice
- 19 Jun 2026
- Statutory expiry
- 7 Aug 2026
Historical activity at this location
27 previous applications on record - archival context, not part of the live application.
Previous applications at this address
Nearby activity
Hounslow is slower than most councils at deciding householder applications, ranking #203 out of 296. 47% of applications have the time limit extended, above the 41% national average. Hounslow is also one of the strictest councils - it refuses more householder applications than almost any other, with only 75% approved vs 90% nationally.
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12 Grove Park Gardens, Chiswick, London, W4 3RZ
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