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Planning application

26/01592/PDXL

Chandlers Hills Lane Cookham Maidenhead SL6 9NT

Awaiting decision Windsor and Maidenhead Permitted Development Extended

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

  1. 29 Jun 2026

    Received by Windsor and Maidenhead

  2. 25 Jul 2026

    Added to PlanIndex

  3. 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.

More on prior approval applications in our guide

Nearby applications

Within 500 metres

  • 23/00218/FULL Refused

    Hamilton Lodge Dean Lane Cookham Maidenhead SL6 9AF

    x1 new outbuilding.

    26 Jan 2023 146m away Full applications
  • 22/03429/TCA Granted

    April Dene Warners Hill Cookham Maidenhead SL6 9NU

    T1 - Chamaecyparis lawsoniana - fell.

    28 Dec 2022 177m away Trees
  • 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.

    13 Aug 2025 201m away Trees
  • 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.

    8 Jun 2026 210m away Trees
  • 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.

    21 Oct 2022 216m away Full applications
  • 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

    9 Jan 2023 243m away Full applications

In Windsor and Maidenhead

  • 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.

    27 Jul 2026 Prior approval
  • 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.

    27 Jul 2026 Prior approval
  • 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.

    15 Jun 2026 Prior approval
  • 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.

    22 Jul 2026 Prior approval
  • 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.

    10 Jun 2026 Prior approval