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Planning application

The Mount Spring Lane Cookham Dean Maidenhead SL6 6PW

Awaiting decision Windsor and Maidenhead 25/90248/PREAPP Heritage

Works: Extension Demolition Windows or glazing Small domestic

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

Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.

Proposal

Planning and Listed building advice - Single storey rear side extension with glazed link, 1no. new gardeners cottage ancillary to the main dwelling, 1no. pool house, hardstanding, new piers and gate and restoring the existing glasshouse, boiler house and alterations to fenestration following demolition of existing elements.

As published by the council, reference 25/90248/PREAPP

Application record

Reference
25/90248/PREAPP
Type
Heritage
Status
Awaiting decision
Received
8 Dec 2025
Validated
9 Dec 2025
Ward
Bisham And Cookham
Parish
Cookham Parish
Postcode
SL6 6PW

Timeline

Dates from the published record

  1. 8 Dec 2025

    Received by Windsor and Maidenhead

  2. 9 Dec 2025

    Validated

    Checked as complete and ready for consideration.

  3. 11 Aug 2026

    Added to PlanIndex

  4. Decision

    Awaiting decision

    Decision expected by 3 February 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

    Windsor and Maidenhead took a median of 55 days over the applications it decided in the last year.

What happens while it is decided

This application is with Windsor and Maidenhead for determination, against a statutory target of eight weeks. Over the last year Windsor and Maidenhead decided heritage and listed building applications in a median of 62 days. More in our guide to how long planning decisions take.

About heritage and listed building applications

Listed building consent is needed for works that affect the special interest of a listed building, and carrying out such works without it is a criminal offence. More in our guide to planning application types.

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