19 Chestnut Avenue Rickmansworth Hertfordshire WD3 4HA Data via plota.co.uk
Proposal
Construction of a two storey front and rear extension; conversion of loft into habitable accommodation; installation of front rooflights; alterations to the fenestration; internal alterations; alterations to patio; construction of two outbuildings with sedum roof Data via plota.co.uk
Application progress
This application is under consideration - no decision has been issued yet. Plota predicts a decision around 24 Nov 2026, from Three Rivers's recent extensions.
Documents 24
Statements & assessments 2
Plans & drawings 18
Application forms 1
Site constraints 1
Checked on 3 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.
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Important details
- Council
- Three Rivers
- Application type
- Full Application
- Postcode
- WD3 4HA
- Received
- 13 Aug 2026
- Validated
- 1 Oct 2026
- Ward
- Chorleywood North And Sarratt
- Parish
- Chorleywood Parish Council
- Case officer
- Show
- Target decision
- 26 Nov 2026
- Decision level
- Delegated
- Applicant
- Show
- Agent
- Show
Decision outlook
Day 3 of the 56-day target. Three Rivers usually decides extensions by day 54.
Plota live figures for extensions decided by Three Rivers in the last twelve months, from validation. Three Rivers decision record →
Public comments
No public comments yet.
Last counted 3 Oct 2026
Consultation & key dates
- Statutory expiry
- 26 Nov 2026
- Env. assessment
- No
Historical activity at this location
25 nearby applications on record - archival context, not part of the live application.
Nearby activity
Three Rivers is faster than most councils at deciding householder applications, ranking #30 out of 296. Only 24% of applications have the time limit extended, well below the 41% national average - the council usually decides on time. Householder applications are slightly more likely to be approved here (91%) than the national average (90%).
Track this application
19 Chestnut Avenue Rickmansworth Hertfordshire WD3 4HA
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