Council hub · South East
Windsor and Maidenhead planning applications
14,529 applications. 80% approved. 55 days to decide.
As of September 2026, PlanIndex holds 14,529 planning applications from Windsor and Maidenhead. 2,826 were decided in the trailing 12 months, with 80% of clear-cut outcomes approved.
Windsor and Maidenhead takes a median of 56 days to decide a planning application, ranking 70 of 148 UK councils. See how that compares.
All applications
Newest first · page 1 of 291
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26/02223/FULL Awaiting decision
1 Mossy Vale Maidenhead SL6 7RX
Loft conversion with dormer windows to the side elevations and five rooflights to the roof slopes.
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26/02227/CONDIT Awaiting decision
Walnut Tree Cottage Knowl Hill Common Knowl Hill Reading RG10 9YD
Details required by Condition 4 (External lighting) and 5 (Biodiversity enhancements) of planning permission 26/01486/FULL for a Part two storey part first floor extension with 2no. side dormers to southwest elevation and alterations to fenestration following demolition of existing element.
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26/02230/CPD Awaiting decision
15 Castle Avenue Datchet Slough SL3 9BA
Certificate of lawfulness to determine whether the proposed single storey rear extension is lawful.
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26/02232/CONDIT Awaiting decision
Riverside Gibraltar Lane Cookham Maidenhead SL6 9TR
Details required by Condition 3 (Bat Licence) of planning permission 23/03099/FULL for the enlargement of existing lower ground floor, two storey front extension with front gable, single storey rear extension with balustrade, 2no. proposed rear dormers, , 3no. chimneys, raised terrace with balustrade, steps and conversion of existing garage to an annex ancillary to main dwelling with new roof, alterations to fenestration and external finishes, replacement garage, new EV charger, hardstanding, landscaping, retaining wall and boundary treatment to front, following demolition of existing elements.
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26/02237/VAR Awaiting decision
Netley 105 Altwood Road Maidenhead SL6 4QD
Variation (under Section 73A) of Condition 3 (Approved Plans) to substitute those plans approved under 24/00979/FULL for a single storey rear extension with single storey side garage following demolition of existing element with amended plans.
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26/02226/CONDIT Awaiting decision
10 Hamilton Drive Sunningdale Ascot SL5 9PP
Details required by Condition 2 (Materials schedule) 3 (Air sourced heat pump) 4 (Photovoltaic panels) 9 (Biodiversity enhancements) of planning permission (25/02723/FULL) for (1no. replacement detached dwelling with associated parking, landscaping and EV charger following the demolition of the existing dwelling. (Self Build)).
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26/02209/CONDIT Awaiting decision
Southleigh & Willianns High Street Cookham Maidenhead
Details required by Condition 4 (Roof tiles) and 8 (Biodiversity enhancements) of planning permission 25/03339/FULL for a Two storey rear extensions with 1no. Juliet balcony. A loft conversion with 2no. rear rooflights to Southleigh.
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26/02210/CONDIT Awaiting decision
Grasmere Broadleys Hale And Winwood And Land At Sawyers Close Windsor SL4 5HW
Details required by Condition 20 (ASHP and PV panels)(partial discharge), 26 (Access)(partial discharge), 27 (Parking)(partial discharge) and 28 (Cycle parking)(partial discharge) of planning permission 25/00734/VAR for a Variation (under Section 73) of condition 19 (Energy Statement) and 30 to substitute those plans approved under 23/01090/FULL for the Redevelopment of the site including the demolition of existing buildings, erection of x 413 dwellings (Use Class C3), community space (Use Class F2), cycle hub (Use Class F2), formation of new access from Smiths Lane, comprehensive hard and soft landscaping, car parking; drainage and flooding mitigation works, and associated infrastructure with amended plans.
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26/02215/TCA Awaiting decision
20 King Stable Street Eton Windsor SL4 6AB
Magnolia grandiflora - fell.
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26/02216/CONDIT Awaiting decision
Land South of Kimbers Lane Maidenhead
Details required by Condition 11 (Refuse And Cycle Storage) of planning permission 24/02786/FULL for a full planning application for 225 dwellings together with access, landscaping, open space, parking and associated infrastructure.
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26/02217/CONDIT Awaiting decision
Land South of Kimbers Lane Maidenhead
Details required by Condition 25 (Bat Licence confirmation) of planning permission 24/02786/FULL for a Full planning application for 225 dwellings together with access, landscaping, open space, parking and associated infrastructure.
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26/02199/CONDIT Awaiting decision
Berkshire College of Agriculture Burchetts Green Road Burchetts Green Maidenhead SL6 6QR
Details required by Condition 1 (Archaeology WSI) of planning permission 25/00856/REM for Reserved Matters (Appearance and Landscaping) pursuant to outline planning permission 20/01779/OUT for the construction of 26 dwellings with associated access, landscaping, parking and servicing including discharge of conditions 7 (cycle parking); 9 (Boundary Planting); 15 (Archaeology)
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26/02197/TCA Awaiting decision
43 Furze Platt Road Maidenhead SL6 7NE
(T1) Laurel Hedge - reduce by 2m and (T2) Ornamental Pear - reduce by 2m.
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26/02193/TCA Awaiting decision
46 Frances Road Windsor SL4 3AH
Refer to supporting document.
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26/02196/TCA Awaiting decision
Ladye Place High Street Hurley Maidenhead SL6 5NB
T1 - Horse Chestnut - Crown reduction by 2m and Crown thinning by 10% as per report.
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26/02203/FULL Awaiting decision
6 Gilman Crescent Windsor SL4 4YN
Single storey front/side extension, relocated front entrance door, two storey rear/side extension, raising of the eaves and ridge, 2no. side dormers, alterations to fenestration and hardstanding, new steps and 1no. dropped kerb, following demolition of existing elements.
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26/02205/CPD Awaiting decision
15 Warrington Spur Old Windsor Windsor SL4 2NF
Certificate of lawfulness to determine whether the proposed new driveway is lawful.
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26/02177/FULL Awaiting decision
81 Furze Platt Road Maidenhead SL6 7NQ
2no. three bedroom semi-detached dwellings with EV charger points, new cycle and refuse stores and a new shared crossover following the demolition of the existing detached dwelling.
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26/02187/VAR Awaiting decision
10 Hamilton Drive Sunningdale Ascot SL5 9PP
Variation (under Section 73) of Condition 15 (Approved Plans) to substitute those plans approved under 25/02723/FULL for 1no. replacement detached dwelling with associated parking, landscaping and EV charger following the demolition of the existing dwelling. (Self Build) with amended plans.
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26/02188/LBC Awaiting decision
The Queen Charlotte Church Lane Windsor SL4 1PA
Consent for new signage,1no. lantern, 2no. cowl lights and alterations to external finish.
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26/02182/FULL Awaiting decision
Beekeepers Cottage Maidenhead Road Cookham Maidenhead SL6 9DF
Rear outbuilding with canopy over steps and decked platform
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26/02185/AGDET Awaiting decision
Old Gunsbrook House Twyford Road Waltham St Lawrence Reading RG10 0HE
Notification to determine whether prior approval is required for a agricultural storage building.
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26/02190/FULL Awaiting decision
18 Wellington Road Maidenhead SL6 6DQ
Single storey rear infill extension with internal floor to be levelled
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26/02189/CONDIT Awaiting decision
71 Frances Road Windsor SL4 3AQ
Details required by Condition 5 (Biodiversity Enhancements) of planning permission 26/01092/FULL for a Single storey rear/side extension, single storey rear extension, new rear steps, 3no. rear Juliet balconies, replacement roof, 1no. rear dormer, raising of the ridge and alterations to fenestration and external finishes following demolition of existing element.
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26/02171/FULL Awaiting decision
Lock Mead House 1 Lock Mead Maidenhead SL6 8HF
Detached timber wood store (Part-retrospective)
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26/02175/FULL Awaiting decision
26 Burcot Gardens Maidenhead SL6 7UR
3no. front dormers and raising of the ridge to facilitate a loft conversion and alterations to fenestration following the removal of the existing elements.
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26/02181/CPD Awaiting decision
21 Lincoln Road Maidenhead SL6 5HW
Certificate of lawfulness to determine whether the proposed single storey rear extension and 1no. rear dormer and 1no. rooflight are lawful.
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26/02176/PDXL Awaiting decision
150 Wolf Lane Windsor SL4 4YZ
Single storey rear extension no greater than 6.00m in depth, 2.67m high with an eaves height of 2.67m.
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26/02170/PDXL Awaiting decision
15 Cell Farm Avenue Old Windsor Windsor SL4 2PD
Single storey rear extension no greater than 5.00m in depth, 2.85m high with an eaves height of 2.85m and alterations to fenestration following demolition of the existing elements.
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26/02180/FULL Awaiting decision
5 Braemar Waltham Road White Waltham Maidenhead SL6 3SH
Single storey rear extension.
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26/02158/CPD Awaiting decision
30 Belmont Park Avenue Maidenhead SL6 6JS
Certificate of lawfulness to determine whether the proposed alterations to the existing conservatory to include changes to the external finish and fenestration and a new roof lantern are lawful.
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26/02166/FULL Awaiting decision
Old Ditton Furze Platt Road Maidenhead SL6 6NT
Single storey rear infill extension
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26/02157/FULL Awaiting decision
Craven Lodge Coronation Road Ascot SL5 9HF
Rear raised terrace and steps (Part Retrospective).
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26/02161/NMA Awaiting decision
Round Copse Alleyns Lane Cookham Maidenhead SL6 9AE
Non material amendments to planning permission 24/01755/FULL for alterations to the roof, roof overhang, fenestration and external finish.
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26/02160/FULL Awaiting decision
11 Huntsmans Meadow Ascot SL5 7PF
Relocation of the front entrance, new entrance canopy and screen, single storey extension to the south east elevation, single storey extension to the north west elevation, 1no. dormer to the north west elevation, new roof, raising of the eaves and ridge, increase in height of the existing garage wall, alterations to fenestration, new terraces, steps and pergola following the demolition of the existing elements.
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26/02164/CONDIT Awaiting decision
Land To The Rear of 45 To 63 London Road Datchet Slough SL3 9JY
Details required by Condition 22 (lighting strategy) of planning permission 25/01583/VAR for a variation (under Section 73) of planning permission 22/02737/FULL to vary the wording of Condition 5 (Flood Risk Assessment And Drainage Strategy).
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26/02159/TCA Awaiting decision
Villa Romani 20 Lower Cookham Road Maidenhead SL6 8JT
(T1) Goat Willow - remove 1m of regrowth from pollard points to maintain a height of 5-9m; (T2) Leylandii hedge - remove end Leylandii and Lime trees x 22 - pollard to previous pollard points.
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26/02147/PDXL Awaiting decision
16 Pinecote Drive Sunningdale Ascot SL5 9PS
Single storey rear extension no greater than 4.78m in depth, 3.13m high with an eaves height of 2.93m.
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26/02146/TCA Awaiting decision
Joseph Charriott House Joseph Charriott Place And RBWM Car Park Windsor Library Bachelors Acre Windsor SL4 1ER
(A) London Plane - crown lift over garden area to 3.6m from ground level; (B) Cypress - to be trimmed to shape, reduce in height to approximately 3.6m; (C) Pittosporum - reduce in height to approximately 2.1m from ground level leaving level hedge line and trim pavement side; (D) Maple - reduce in height to approximately 2.1m from ground level leaving level hedge line and trim pavement side; (E) Cherry - reduce in height to approximately 2.1m from ground level leaving level hedge line and trim pavement side; (F) Buddleia - reduce in height to approximately 2.1m from ground level leaving level hedge line and trim pavement side and (G) Cypress - reduce in height to approximately 2.1m from ground level leaving level hedge line and trim pavement side.
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26/02150/FULL Awaiting decision
109 Alma Road Windsor SL4 3EU
L shaped rear dormer with Juliette balcony, new solar panels and alterations to the external finish and fenestration.
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26/30012/SMI Awaiting decision
36-38 High Street Marlow Buckinghamshire SL7 1AW
Installation of new shopfront.
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26/02156/FULL Awaiting decision
1 Farm Yard Windsor SL4 1QL
Creation of additional storey for 1no. residential unit with roof terrace and balustrades following the demolition of the existing roof level plant room.
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26/02155/FULL Awaiting decision
4 Gordon Cottages Lock Lane Maidenhead SL6 3BU
Retrospective application for pergola.
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26/02154/FULL Awaiting decision
2 Copthorn Close Maidenhead SL6 3PN
Two storey side extension
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26/02152/NMA Awaiting decision
Land Bounded By Ascot Fire Station Station Hill And West of Hermitage Parade And South of High Street Ascot SL5 7HF
Non material amendments to planning permission 25/01050/FULL to amend the wording of Condition 8 (Bat Mitigation Scheme).
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26/02151/TPO Awaiting decision
Land To The East of Maidenhead Road Cookham Maidenhead
Refer to schedule of treeworks (013/2019/TPO)
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26/02149/FULL Awaiting decision
12 Fairlea Maidenhead SL6 3AS
Garage conversion, single storey front/side extension with new porch and alterations to fenestration.
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26/02134/NMA Awaiting decision
Magnet Leisure Centre And Magnet Leisure Complex Car Park Holmanleaze Maidenhead SL6 8AW
Non material amendments to planning permission 25/00655/VAR to vary conditions 24 and 25.
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26/02140/VAR Awaiting decision
13 William Ellis Close Old Windsor Windsor SL4 2QS
Variation (under Section 73A) of Condition 4 (Approved Plans) to substitute those plans approved under 26/00355/FULL for a single storey front extension with enclosed entrance and alterations to fenestration with amended plans.
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26/02142/FULL Awaiting decision
7 Langdale Drive Ascot SL5 8TQ
Garage conversion, 1no. first floor side window and a detached garage.
Recent decisions
Data to September 2026
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26/01958/CONDIT Granted
Prince Consorts Home Farm Frogmore Windsor
Details required by Condition 5 (Biodiversity enhancements) of planning permission 26/01125/FULL for the Installation of a roof mounted PV array and a ventilation light ridge to an existing agricultural use building
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26/01975/VAR Withdrawn
2 And LAnd At 2 Westfield Road Maidenhead SL6 5AU
Variation (under Section 73) of planning permission 25/01013/FULL to remove Condition 15 (BNG).
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26/01860/VAR Refused
72 - 72B High Street Sunninghill Ascot
Variation (under Section 73A) of planning permission 22/01291/FULL without complying with Condition 8 (Electric Vehicle Charging Point).
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26/01321/FULL Granted
The Manor House Manor Drive Shurlock Row Reading RG10 0PX
Change of use of grassland to a menage.
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26/01575/FULL Granted
Huntsmans House Church Road Cookham Dean Maidenhead SL6 9PG
Part conversion and extension of the existing car port to form a pool house and plant room, alterations to fenestration, 1no. sunken swimming pool and 1no. hot tub, steps, landscaping and hardstanding.
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26/01687/FULL Refused
7 Woodhurst Road Maidenhead SL6 8TG
New Car Port.
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26/01896/CONDIT Granted
47 - 49 High Street Eton Windsor
Details required by Condition 7 (cast iron rainwater goods) Part Condition 9 (external finishes) of Planning Permission 23/01384/FULL for (Consent for the conversion of the existing building including internal and external alterations to provide a new tavern, gift shop, workshops and 5 ensuite bedrooms. Two studio units within internal courtyard and construction of a new two storey mews building at the rear of the courtyard to provide 7 suites all to be occupied in association with the tavern as holiday accommodation/short term lets).
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26/00667/TPO Split decision
Styles Charters Road Sunningdale Ascot SL5 9QD
(T1) Lime - Reduce height by 7m and reduce spread by 6m to leave finished height of 12m and finished spread of 10m. (T2) Oak - Fell to ground level. (T3) Oak - Remove 2 x lowest branches that have been previously cut back. The two branches have previously been stubbed and it would be more appropriate for these branches to be removed entirely. (T4) Oak - Reduce spread on NW side to previous pruning points to leave finished spread of 5m. (003/2023/TPO)
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26/01553/CLU Granted
64 Priors Way Maidenhead SL6 2EN
Certificate of lawfulness to determine whether the existing use of building as self-contained residential dwelling as per details set out in Statutory Declaration is lawful.
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26/01551/FULL Granted
16A Camley Gardens Maidenhead SL6 5JW
Single storey side extension and single storey rear extension, following demolition of existing conservatory
The full record
Decisions between 2019 and 2026
PlanIndex holds 13,887 decisions from Windsor and Maidenhead between 2019 and 2026, part of 14,529 applications on record. Over that period 83% of clear-cut outcomes were approvals, 10,492 granted against 2,171 refused. The busiest single year was 2021, with 3,514 applications recorded.
The trailing-year figures above track current activity. This record reaches back further, so a decision here may predate the online portal; each application still has its own page with the source link.
From the archive
Earliest records shown in full
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19/02868/CONDIT Granted
2 Truro Close Maidenhead SL6 5JG
Details required by condition 2 (materials as specified) of planning permission 19/01322/FULL for single storey side extension, single storey rear extension, new entrance canopy to the side elevation, x1 front dormer, x1 rear dormer and alterations to the roof.
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19/02867/NMA Granted
2 Truro Close Maidenhead SL6 5JG
Non material amendment to planning permission 19/01322/FULL to remove the pitched roof above the single storey rear element and replace with a flat roof.
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19/02917/TPO Granted
Moreland Truss Hill Road Ascot SL5 9AL
(T1) Norway Maple - fell to ground (T2) Lawson Cypress - fell to ground level (T3) Oak - monitor the extent of decay in the stem and reduce crown to a height of no less than 8.5m above ground level.
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19/02863/CPD Withdrawn
6 Hythe End Road Wraysbury Staines TW19 5AR
Certificate of lawfulness to determine whether the proposed single storey side extension is lawful.
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19/02860/CPD Withdrawn
6 Hythe End Road Wraysbury Staines TW19 5AR
Certificate of lawfulness to determine whether the proposed x4 North facing rooflights, x1 North facing dormer, x1 first floor West facing window, x1 first floor East facing window and hip to gable to facilitate loft conversion is lawful.
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19/02864/PDXL Withdrawn
6 Hythe End Road Wraysbury Staines TW19 5AR
Single storey rear extension no greater than 8m in depth, 4m high with an eaves height of 3.9m.
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19/02842/NMA Granted
226B Clewer Hill Road Windsor SL4 4DP
Non-material amendments to planning permission 19/01468/FULL for replacement of 2no. ground floor doors with 1no. bi-folding door.
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19/03027/EIASCR Granted
Development At King Street And Queen Street And Broadway Maidenhead
Request for Screening Opinion pursuant to Regulation 6 and 9 of The Town And Country Planning (Environmental Impact Assessment) Regulations for reserved matters application (access, appearance, landscaping, layout and scale) for 'Building E' to provide 87 apartments on the upper floors with proposed commercial floor space on ground floor (Class A1-A5, B1, D1 and D2) and public realm around Building E including service layby along Queen Street, pursuant to planning permission 18/01576/FULL: Hybrid planning application for the mixed use redevelopment of the site.
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19/30022/SMI Refused
Sunningdale Golf Club Ridgemount Road Sunningdale Ascot SL5 9RR
Erection of greenkeepers storage compound building including repair workshop, staff facilities and parking, erection of sand bay building, alterations to existing staff building to provide additional staff residential accommodation, formation of new internal access road, service yard including wash/fuel area and associated landscaping works following demolition of vehicle garage, sand bay, wash and fuel bay containers, chemical and machine store and tool store.
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19/02891/NMA Refused
3 Rutland Place Maidenhead SL6 4JA
Non-material amendments to planning permission 18/03333/FULL for alterations to the roof, removal of 1no. roof light on the side 2 elevation, alterations to fenestration to the front, side 2 and rear elevations, addition of stone lintel to all elevations and removal of the single storey rear element.
Decision speed
12 months to September 2026, where both dates are published
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Within 8 weeks the statutory target for most applications 1,607 57%
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8 to 13 weeks the target band for major development 869 31%
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Over 13 weeks often extended by agreement 350 12%
Planning agents in Windsor and Maidenhead
The firms named as agent on the most applications on this register. Company information only.
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MP Building Plans Ltd 100% granted overall 6
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R Watts & Sons Ltd 97% granted overall 5
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Cookham Design Partnership 100% granted overall 4
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Calibra Tree Surgeons Ltd 72% granted overall 3
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Bowen Evans Consultancy 72% granted overall 3
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Savills Limited 93% granted overall 2
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Michael Burroughs Associates 81% granted overall 2
Browse by ward
Applications by ward in Windsor and Maidenhead
- Ascot & Sunninghill 1,211
- Belmont 475
- Bisham And Cookham 1,443
- Boyn Hill 400
- Bray 1,161
- Clewer And Dedworth East 471
- Clewer And Dedworth West 475
- Clewer East 468
- Cox Green 361
- Datchet Horton And Wraysbury 1,061
- Eton And Castle 1,686
- Furze Platt 450
- Hurley And Walthams 1,170
- Old Windsor 544
- Oldfield 468
- Pinkneys Green 428
- Riverside 624
- St Marys 590
- Sunningdale And Cheapside 963
Browse by postcode area
Applications by postcode district
Common questions
How many planning applications does Windsor and Maidenhead decide?
In the 12 months to September 2026, Windsor and Maidenhead decided 2826 planning applications. 80% of clear-cut outcomes were approvals.
How long does a planning decision take in Windsor and Maidenhead?
The median time from a planning application being received to a decision was 55 days over the 12 months to September 2026. Individual cases vary with complexity and consultation responses.
How many Windsor and Maidenhead decisions arrive within the eight week target?
Of the 2826 decisions in the 12 months to September 2026 where both dates are published, 57% came within eight weeks of the application being received, and 88% within thirteen weeks.
How many planning applications has Windsor and Maidenhead decided in total?
PlanIndex holds 13887 decisions from Windsor and Maidenhead between 2019 and 2026, out of 14,529 applications on record. Across that whole period 83% of clear-cut outcomes were approvals.
When is planning activity busiest in Windsor and Maidenhead?
October 2025 was the busiest month across the 12 months to September 2026, with 310 applications recorded. The monthly pattern is listed on this page.
How do I find a planning application by its reference number?
Every application indexed here has its own page at a stable address. Look the reference up in a search engine together with the council name, or browse the latest applications below. Each page shows the description, address, dates and decision as the council published them.
Where can I see the full documents for an application?
Plans, drawings and officer reports stay on Windsor and Maidenhead's own planning portal. Every application page here links straight to the source record.
Cite these figures
Click the text to select the whole citation.
Windsor and Maidenhead: 14,529 planning applications on record as of September 2026. Trailing 12 months: 2,826 decided, 80% approved, median 55 days to a decision. 3,095 new applications received in the same period. Decisions on record run between 2019 and 2026: 13,887 in total, 83% approved. Source: PlanIndex, planindex.co.uk.