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Planning application

Chandlers Hills Lane Cookham Maidenhead SL6 9NT

Granted Windsor and Maidenhead 26/01592/PDXL Permitted Development Extended

Works: Extension Small domestic

Read from the description, not a valuation. How we read the register

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

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

Application record

Reference
26/01592/PDXL
Type
Permitted Development Extended
Status
Decided
Decision
Prior Approval Not Required
Received
29 Jun 2026
Validated
29 Jun 2026
Decided
5 Aug 2026
Ward
Bisham And Cookham
Parish
Cookham Parish
Decision by
Delegated
Postcode
SL6 9NT

Site history

Applications at this address on the Windsor and Maidenhead register

This site has had 2 applications since 2026: 1 approved, 0 refused.

  • 26/01951/CPD Awaiting decision

    Chandlers Hills Lane Cookham Maidenhead SL6 9NT

    Certificate of lawfulness to determine whether the proposed single storey side extension, enlargement of the existing roofspace to include 1no. dormer to south elevation. 2no. rooflights to south and 1no. rooflight to north elevations are lawful.

    Submitted 7 Aug 2026 Lawful development

Timeline

Dates from the published record

  1. 29 Jun 2026

    Received by Windsor and Maidenhead

  2. 25 Jul 2026

    Added to PlanIndex

  3. 5 Aug 2026

    Decision issued: Prior Approval Not Required

Documents

Plans, drawings, consultee responses and the officer's report

18 documents on file for this application

A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.

Trade members open them from here.

Open the documents

What this grant of permission means

Windsor and Maidenhead granted permission on 5 August 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

About prior approval applications

Prior approval applies where permitted development rights already grant the principle of the work, leaving the council only the specific matters the rules name, commonly within 56 days. More in our guide to planning application types.

Nearby applications

Within 500 metres

  • Chandlers Hills Lane Cookham Maidenhead SL6 9NT

    26/01951/CPD Submitted 7 Aug 2026 3m away

    68% historically approved · decision due ~2 Oct

    Certificate of lawfulness to determine whether the proposed single storey side extension, enlargement of the existing roofspace to include 1no. dormer to south elevation. 2no. rooflights to south and 1no. rooflight to north elevations are lawful.

    Awaiting decision Lawful development Extension Loft or dormer 14 docs
    Small domestic

  • Slade House Hills Lane Cookham Maidenhead SL6 9NT

    21/02373/FULL Submitted 2 Aug 2021 53m away

    First floor side extension with rear terrace and balustrade, partial new roof, changes to the external finish and alterations to fenestration following the part demolition of the single storey side element.

    Granted Full applications Extension Roofing +2 14 docs
    Small domestic

  • Land To The South of Holly Lodge Hills Lane Cookham Maidenhead

    20/02711/REM Submitted 15 Oct 2020 72m away

    Reserved matters pursuant to outline planning permission 20/00578/OUT for outline application for appearance, layout and scale only to be considered at this stage with all other matters to be reserved for the erection of a stable building and new access.

    Granted Reserved matters 26 docs

  • Land To The South of Holly Lodge Hills Lane Cookham Maidenhead

    20/02710/CONDIT Submitted 15 Oct 2020 72m away

    Details required by condition 5 (storage and disposal of animal and other waste) of planning permission 20/00578/OUT for Outline application for appearance, layout and scale only to be considered at this stage with all other matters to be reserved for the erection of a stable building and new access.

    Granted Conditions 7 docs

  • Land To The South of Holly Lodge Hills Lane Cookham Maidenhead

    23/02133/FULL Submitted 1 Sep 2023 76m away

    New tractor garage, welfare unit and manure composter.

    Withdrawn Full applications 32 docs

  • Charnwold Hills Lane Cookham Maidenhead SL6 9NT

    22/01487/FULL Submitted 1 Jun 2022 78m away

    New detached three-bay carport.

    Refused Full applications 14 docs

In Windsor and Maidenhead

  • 26/01684/PDXL Refused

    9 Duncroft Windsor SL4 4HH

    Single storey rear extension no greater than 6.00m in depth, 3.20m high with an eaves height of 2.90m.

    10 Jul 2026 Prior approval
  • 26/01861/PDXL Granted

    6 Hendons Way Holyport Maidenhead SL6 2LF

    Single storey rear extension no greater than 6.00m in depth, 2.78m high with an eaves height of 2,70m.

    29 Jul 2026 Prior approval
  • 26/01912/PDXL Granted

    Fourwinds 2 Green Lane Ascot SL5 7QJ

    Single storey rear extension no greater than 7.46m in depth, 3.20m high with an eaves height of 2.45m.

    3 Aug 2026 Prior approval
  • 26/01789/PDXL Granted

    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
  • 26/01831/PDXL Granted

    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