20 Copthorne Road Croxley Green Rickmansworth Hertfordshire WD3 4AQ Data via plota.co.uk
Proposal
Prior Approval: Single storey rear extension (depth 7.50 metres, maximum height 3.80 metres, maximum eaves height 2.80 metres) Data via plota.co.uk
Application progress
Approved on 7 Jul 2026 · Delegated Decision · Last checked 11 Jul 2026
Documents 7
Decision & officer reports 1
Plans & drawings 3
Application forms 1
Consultation & comments 1
Other documents 1
Site constraints 3
Checked on 11 September 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 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.
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 4AQ
- Received
- 1 Jun 2026
- Validated
- 2 Jun 2026
- Ward
- Dickinsons
- Parish
- Croxley Green Parish Council
- Case officer
- Show
- Target decision
- 14 Jul 2026
- Decision
- no objection
- Decision date
- 7 Jul 2026
- Decision level
- Delegated Decision
- Applicant
- Show
- Agent
- Show
How this decision compares
Decided in 35 days from validation, 19 days faster than Three Rivers's median of 54 for extensions. Approved, as 91% of extensions here are.
Plota live figures for extensions decided by Three Rivers in the last twelve months, from validation. Three Rivers decision record →
Consultation & key dates
- Comments by
- 30 Jun 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%).
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20 Copthorne Road Croxley Green Rickmansworth Hertfordshire WD3 4AQ
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