Planning application
26/00549/NMA
Great Park House 4 Queen Annes Road Windsor SL4 2BJ
Proposal
Non material amendments to planning permission 24/02695/FULL for the addition of external insulation to chimney breast and garage walls and insulated garage doors, alterations to various windows on ground and first floor level, changes to rear dormers from 2no. dormers to 3no. dormers, alterations to roof dormer, rooflight and PV array configuration.
As published by the council, reference 26/00549/NMA
Timeline
Dates from the published record
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2 Mar 2026
Received by Windsor and Maidenhead
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30 Mar 2026
Decision issued: Refuse
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25 Jul 2026
Added to PlanIndex
What refusal means
The process from here
The council refused this application for the reasons set out on the decision notice, which the council portal holds in full. Only the applicant can appeal a refusal; the time limit runs from the decision date and is shorter for householder schemes.
Refusal does not prevent a fresh attempt. Applicants often address the reasons for refusal and resubmit, so a refused scheme is not necessarily the end of proposals for the site.
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
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26/00468/CONDIT Granted
Great Park House 4 Queen Annes Road Windsor SL4 2BJ
Details required by Condition 2 (Materials) and 5 (Biodiversity enhancements) of planning permission 24/02695/FULL for a New roof with PV panels to rear, replacement flat roofs to dormers, front bay window and single storey rear element, enlargement of 1 no. rear dormer, enlargement of 2no. rear dormers to create 1no. dormer, raised parapet wall, rear pergola, alterations to external finishes including new cladding, balcony finish and alterations to fenestration.
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26/00859/VAR Granted
Great Park House 4 Queen Annes Road Windsor SL4 2BJ
Variation (under Section 73) of Condition 6 to substitute those plans approved under 24/02695/FULL for New roof with PV panels to rear, replacement flat roofs to dormers, front bay window and single storey rear element, enlargement of 1 no. rear dormer, enlargement of 2no. rear dormers to create 1no. dormer, raised parapet wall, rear pergola, alterations to external finishes including new cladding, balcony finish and alterations to fenestration with amended plans.
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23/00228/FULL Granted
Trevelyan Middle School Wood Close Windsor SL4 3LL
Glazed extension with linked path and new entrance steps with balustrade
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22/02662/CPD Granted
20 Bolton Road Windsor SL4 3JN
Certificate of lawfulness to determine whether the single flat roof loft conversion and two front rooflights is lawful.
-
26/01354/FULL Granted
55 Queens Acre Windsor SL4 2BE
Front infill extension with canopy and single storey rear extension.
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22/02859/FULL Refused
17 Queens Acre Windsor SL4 2BE
New roof to garage with 1no. front dormer, part single, part two storey, part first floor side/rear extensions, 1no. rear dormer, 1no side dormer and alterations to fenestration.
Other amendments applications
In Windsor and Maidenhead
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26/01841/NMA Awaiting decision
Orchard End Sill Bridge Lane Waltham St Lawrence Reading RG10 0NT
Non material amendments to planning permission 25/02591/FULL as per covering letter.
-
26/01843/VAR Awaiting decision
Orchard End Sill Bridge Lane Waltham St Lawrence Reading RG10 0NT
Variation (under Section 73) of planning permission 25/02591/FULL to vary the wording of Condition 17 (Ground Sourced Heat Pump).
-
26/01807/NMA Awaiting decision
57B And Keeler Ltd Clewer Hill Road Windsor
Non material amendment to planning permission 25/02014/FULL for alterations to the wording of part D Condition 16.
-
26/01813/NMA Awaiting decision
5 Meadow Way Fifield Maidenhead SL6 2PE
Non material amendments to planning permission 26/00322/FULL to allow NatureSpace to add conditions.
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26/01811/NMA Awaiting decision
Grove Park Industrial Estate Waltham Road White Waltham Maidenhead SL6 3LW
Non material amendments to planning permission 25/01083/VAR for changes to the proposed elevations and materials to plots 10-11, 15-16, 18-19, 24-25, 26-27, 28-29, 39-41, 42-44 and 45-47 and 48-51.