Planning application
26/0891/PDE
20 Copthorne Road Croxley Green Rickmansworth Hertfordshire WD3 4AQ
Proposal
Prior Approval: Single storey rear extension (depth 7.50 metres, maximum height 3.80 metres, maximum eaves height 2.80 metres)
As published by the council, reference 26/0891/PDE
Timeline
Dates from the published record
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1 Jun 2026
Received by Three Rivers
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2 Jun 2026
Validated
Checked as complete and ready for consideration.
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7 Jul 2026
Decision issued: no objection
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24 Jul 2026
Added to PlanIndex
What a grant of permission means
The process from here
Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.
Work must normally begin within three years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.
About outline applications
How this application type works
An outline application tests the principle of developing a site before the detail is worked up. Some or all of the particulars, such as appearance, layout, scale, access and landscaping, are held back as reserved matters for later approval. Permission at outline stage does not by itself allow building to start; the reserved matters must be approved first.
Nearby applications
Within 500 metres
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26/0965/DIS Decided
Downfield 49 Copthorne Road Croxley Green Rickmansworth Hertfordshire WD3 4AH
Discharge of conditions 5 (Tree Method Statement) and 6 (Hard and Soft Landscaping) pursuant to planning permission 26/0547/FUL
-
26/0678/FUL Granted
16A Copthorne Road Croxley Green Rickmansworth Hertfordshire WD3 4AE
Demolition of existing garage and outbuilding, construction of two storey front and side extensions; single storey side and rear extensions; omission of rear balconies and replacement with rear juliet balconies, internal alterations and alterations to fenestration; alterations to driveway; extension of rear patio area; alteration of external materials including render and cladding; alteration of front entrance
-
23/2104/DIS Decided
28 Copthorne Road Croxley Green Rickmansworth Hertfordshire WD3 4AQ
Discharge of Condition 5 (Materials) pursuant to planning permission 23/1165/FUL
-
24/0093/DDD Granted
Elmcote House The Green Croxley Green Rickmansworth Hertfordshire WD3 3HN
Elm - T52 - removal
-
26/0297/FUL Granted
1 Green Lane Croxley Green Rickmansworth Hertfordshire WD3 3HR
Variation of Condition 2 (Plans) pursuant to planning permission 24/0795/FUL to include alterations to fenestration detail; and the provision of solar panels.
-
22/1124/DDD Granted
Wildfell Green Lane Croxley Green Rickmansworth Hertfordshire WD3 3HR
Ash - bottom of back garden, showing signs of Ash Dieback disease - remove
Other outline applications
In Three Rivers
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26/1040/PDE Withdrawn
90 Sherborne Way Croxley Green Rickmansworth Hertfordshire WD3 3PG
Prior Approval: Single storey rear extension (depth 5.00 metres, maximum height 2.90 metres, maximum eaves height 2.90 metres)
-
26/0982/PDE Granted
2 On The Hill Carpenders Park Watford Hertfordshire WD19 5DR
Prior Approval: Demolition of existing extension and construction of single storey rear extensions. (Maximum depth: 6.00m, Maximum height: 3.45m, Maximum eaves height: 3.00m).
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26/1115/EIAS Awaiting decision
Land Off Long Lane Heronsgate Hertfordshire
Environmental Impact Assessment Scoping Opinion Request - Development of up to 650 residential dwellings, primary school, local centre uses, community uses, public open space, drainage and infrastructure and, associated vehicular access.
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26/0920/PDE Granted
87 Durrants Drive Croxley Green Rickmansworth Hertfordshire WD3 3NY
Prior Approval: Single storey rear extension (depth 6.00 metres, maximum height 3.00 metres, maximum eaves height 3.00 metres)
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26/1077/PDE Awaiting decision
36 Girton Way Croxley Green Rickmansworth Hertfordshire WD3 3QN
Prior Approval: Single storey rear extension (depth 5.75 metres, maximum height 3.45 metres, maximum eaves height 3.45 metres)