Planning application
26/01592/PDXL
Chandlers Hills Lane Cookham Maidenhead SL6 9NT
Proposal
Single storey rear extension no greater than 8.00m in depth, 4.00m high with an eaves height of 3.00m.
As published by the council, reference 26/01592/PDXL
Timeline
Dates from the published record
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29 Jun 2026
Received by Windsor and Maidenhead
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25 Jul 2026
Added to PlanIndex
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Decision
Awaiting decision
The statutory target is eight weeks for most applications and thirteen for major development. Extensions of time are common.
What happens while it is decided
The process from here
This application is with Windsor and Maidenhead for determination. The council publicises it, consults neighbours and technical bodies where required, and weighs the responses against local and national planning policy.
The statutory target is eight weeks for most applications and thirteen for major development, though extensions of time are common. Comments carry most weight while the case is undecided, so check the council portal for the deadline if you want to respond.
About prior approval applications
How this application type works
Prior approval applications arise where permitted development rights already grant the principle of the work, such as larger home extensions, changes of use to housing or agricultural buildings. The council may only consider the specific matters set out in the rules, for example transport, flooding or appearance, and in many classes the work may proceed if the council does not respond within the deadline, commonly 56 days.
Nearby applications
Within 500 metres
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23/00218/FULL Refused
Hamilton Lodge Dean Lane Cookham Maidenhead SL6 9AF
x1 new outbuilding.
-
22/03429/TCA Granted
April Dene Warners Hill Cookham Maidenhead SL6 9NU
T1 - Chamaecyparis lawsoniana - fell.
-
25/02082/TCA Awaiting decision
Primrose Cottage Dean Lane, Reddaways Cottage And Cromwell Cottage Alleyns Lane Cookham Maidenhead
T1 - Leylandii, T2 - Birch (Primrose Cottage), T3 - Leylandii, T4 - Conifer, T5 - Sycamore, T6 - Crab apple (Cromwell Cottage), T7 - Cherry, T8 - Portuguese Laurel, T9 - Birch, T10 - Rowan (Reddaways) - cut back to boundary line.
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26/01404/TCA Granted
Hardings Cottage Hills Lane Cookham Maidenhead SL6 9NX
(T1) Oak - Reduce crown by up to a maximum of 1 metre utilizing the drop crotching technique (reduction by thinning). Finished height of tree 13 metres. Finished crown spread north to south of 15 metres, and finished crown spread east to west of 12 metres. Tip reduce east profile of crown to provide up to a maximum of 2 metres clearance to the building structure, tip reduce lower south profile of crown to provide up to a maximum of 2 metres clearance to fence, tip reduce branches encroaching on telephone cable to provide up to a maximum of 1 metre clearance, crown lift over driveway and access track to provide up to a maximum of 4.5 metres height clearance, crown clean to remove broken, dead, damaged and rubbing branches.
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22/02830/FULL Withdrawn
Hardings Cottage Hills Lane Cookham Maidenhead SL6 9NX
Single storey rear extension, increase to the exisiting habitable accommodation within the roofspace, 1no. rear dormer with Juliet balcony and alterations to fenestration.
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23/00037/FULL Granted
Ashton Alleyns Lane Cookham Maidenhead SL6 9AE
Single storey side extension, garage conversion, alterations to fenestration and relocation of existing gate
Other prior approval applications
In Windsor and Maidenhead
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26/01831/PDXL Awaiting decision
1 Bell View Windsor SL4 4ET
Single storey rear extension no greater than 4.30m in depth, 2.80m high with an eaves height of 2.50m.
-
26/01846/PDXL Awaiting decision
24 New Road Datchet Slough SL3 9JB
Single storey rear extension no greater than 4.00m in depth, 3.20m high with an eaves height of 3.00m.
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26/01470/PDXL Refused
14 Church View White Waltham Maidenhead SL6 3JQ
Single storey rear extension no greater than 6.00m in depth, 3.80m high with an eaves height of 2.80m.
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26/01789/PDXL Awaiting decision
6 The Dell Maidenhead SL6 3NS
Single storey rear extension no greater than 3.76m in depth, 2.90m high with an eaves height of 2.90m.
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26/01446/PDXL Granted
16 Buckland Crescent Windsor SL4 5JS
Single storey rear extension no greater than 6.00m in depth, 2.81m high with an eaves height of 2.71m.