Planning application
25/1115/RSP
49 St Marys Avenue Northwood HA6 3AY
Proposal
Part retrospective: Demolition of existing conservatory and construction of single storey rear extension
As published by the council, reference 25/1115/RSP
Timeline
Dates from the published record
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30 Jun 2025
Received by Three Rivers
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19 Aug 2025
Decision issued: approved
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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 amendments applications
How this application type works
An amendment application changes a permission that already exists. Non-material amendments cover small adjustments with no wider effect, while minor material amendments, usually made by varying a condition, allow modest design changes without a fresh application. Anything beyond that needs a new permission, so the scope here is deliberately narrow.
Nearby applications
Within 500 metres
-
26/0935/FUL Granted
53 St Marys Avenue Northwood HA6 3AY
Construction of single storey rear extension with roof lantern, installation of window to side elevation
-
24/0180/PDE Granted
40 Sandy Lodge Way Northwood HA6 2AS
Prior Approval: Single storey rear extension (depth 6 metres, maximum height 3 metres, maximum eaves height 3 metres)
-
20/1811/FUL Granted
42 Sandy Lodge Way Northwood HA6 2AS
Single storey front porch extension
-
20/1815/PDE Granted
42 Sandy Lodge Way Northwood HA6 2AS
Prior Approval: Single storey rear extension (depth 6m, maximum height 4 metres, maximum eaves height 2.90 metres)
-
23/2027/FUL Granted
31 St Marys Avenue Northwood HA6 3AY
Demolition of existing store and construction of single storey rear extension and pergola.
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26/1132/FUL Awaiting decision
20 Batchworth Lane Northwood HA6 3DR
Substantial demolition of existing dwelling; two storey and single storey front, side and rear extensions; construction of a front bay window; alterations to the front projection; removal of existing roof and construction of new roof form including side and rear dormer windows, front rooflights; alterations to fenestration and materials; internal alterations
Other amendments applications
In Three Rivers
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26/1089/NMA Granted
Warner Bros. Studios Leavesden Warner Drive Watford Hertfordshire WD25 7LP
Non-material amendment pursuant to planning permission 25/1308/FUL to allow alterations to Building 18 including alterations to fenestration detail, new canopy element and provision of a mezzanine level.
-
26/1062/NMA Granted
24 Lynwood Heights Rickmansworth Hertfordshire WD3 4ED
Non Material Amendments to planning permission 24/1799/RSP to allow alterations to the fenestration and render including change in exterior colour.
-
26/0845/RSP Granted
Keepers Cottage Solesbridge Lane Chorleywood Rickmansworth Hertfordshire WD3 5SU
Part-Retrospective: Change of use of land for the stationing of caravans for residential purposes.
-
25/0488/RSP Granted
Scotsbridge House Scots Hill Croxley Green Rickmansworth Hertfordshire WD3 3BB
Part Retrospective: Demolition of offices and erection of new development of 59 flats with associated parking and external landscaping
-
26/1189/RSP Awaiting decision
30 Hillcroft Crescent Oxhey Hall Watford Hertfordshire WD19 4NY
Retrospective Application: single storey rear extension