13 Curtis Close Mill End Rickmansworth Hertfordshire WD3 8QA Data via plota.co.uk
Proposal
Prior Approval: Construction of a single storey rear extension (depth 3.2m, maximum height 2.95m, maximum eaves height 2.87m) Data via plota.co.uk
Application progress
Under consideration
No decision has been issued yet. Plota predicts a decision around 7 Dec 2026, from Three Rivers's recent extensions.
Documents 7
Statements & assessments 1
Plans & drawings 5
Site constraints 2
Checked on 16 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 Planning Inspectorate 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.
Building
From the energy performance certificate lodged in November 2025, the latest held for this property, matched to this application by its address. The building may have changed since. View the certificate
Every application in Three Rivers - and every UK council - as a live feed, an API, or a bulk CSV export.
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Important details
- Council
- Three Rivers
- Application type
- PD - Extensions
- Postcode
- WD3 8QA
- Received
- 14 Oct 2026
- Validated
- 14 Oct 2026
- Ward
- Penn And Mill End
- Parish
- Non-Parished
- Case officer
- Show
- Target decision
- 25 Nov 2026
- Decision level
- Delegated
- Applicant
- Show
- Agent
- Show
Decision outlook
Day 14 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.
2 neighbours consulted · Last counted 23 Oct 2026
Consultation & key dates
- Alt. reference
- PP-15294932
- Planning Portal ref
- PP-15294932
- Comments by
- 6 Nov 2026
- Statutory expiry
- 25 Nov 2026
- Env. assessment
- No
Historical activity at this location
4 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%).
Energy performance: Energy performance certificates from the Energy Performance of Buildings Register, Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright 2026.
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13 Curtis Close Mill End Rickmansworth Hertfordshire WD3 8QA
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Comments are open until 6 Nov 2026