Planning application
The Mount Spring Lane Cookham Dean Maidenhead SL6 6PW
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
-
8 Dec 2025
Received by Windsor and Maidenhead
-
9 Dec 2025
Validated
Checked as complete and ready for consideration.
-
11 Aug 2026
Added to PlanIndex
-
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.
Nearby applications
Within 500 metres
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Badgers Cottage And Former Electricity Sub Station Spring Lane Cookham Dean Maidenhead
Change of use of a former electricity substation to extend existing curtilage of the dwelling.
Granted Full applications 14 docsDomestic -
Land To East of Mount Lodge Spring Lane Cookham Dean Maidenhead
Erection of solar panels.
Refused Full applications 12 docs -
Woodland At Junction of Long Lane And Spring Lane Cookham Dean Maidenhead
(T1 & T2) Hornbeam - remove ivy. Ash - fell trees showing signs of ash dieback disease and marked up with a pink dot during the site visit with LPA on 19.4.2023, these Ash are to be felled to leave at least a 1.5m high stump. (T20) Sycamore (dead) - fell. (T22) Sycamore - remove the small branch contacting the overhead telecommunications wire. Sycamore seedlings - hand pull out of the ground, once the native ground flora of bluebell, dogs mercury, wood anemone and lesser celandine, have flowered and died back (6-8 weeks after bloom).(003/2009/TPO)
Granted Trees 10 docs -
Harwood House Nursing Home Spring Lane Cookham Dean Maidenhead SL6 6PW
T1 - Sycamore - fell (20/1995/TPO)
Granted Trees 9 docs -
Harwood Acre Spring Lane Cookham Dean Maidenhead SL6 6PW
Self build replacement dwelling, annexe ancillary to the main dwelling and alterations to hardstanding.
Refused Full applications New dwelling 33 docsDomestic -
Harwood Acre Spring Lane Cookham Dean Maidenhead SL6 6PW
Replacement of dwelling and annexe and new vehicular access.
Withdrawn Full applications 24 docsDomestic
Other heritage and listed building applications
In Windsor and Maidenhead
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26/01211/LBC Granted
Ann Duels House Holyport Street Holyport Maidenhead SL6 2JR
Consent to replace 8 No. casements in 3 windows on the front elevation
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26/01557/LBC Granted
Wiggington House High Street Eton Windsor
Consent for roof works to include the following replacements to the existing roof: roof tiles, 4no. dormer lead roof coverings, timber facing boards, fascia and soffits, rainwater goods and 1no. chimney pot for 1- 5 and 12 -13 Wiggington House.
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26/01084/LBC Refused
St Marks Hospital 112 St Marks Road Maidenhead SL6 6DU
Consent for the retention of works to Blocks 6 and 8, including replacement of internal doors, erection of subdividing walls, installation of new DDA-compliant toilet, replacement of external DDA ramp, installation of window opening to internal partition and proposed replaced of external double doors to Block 6.
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26/01367/LBC Refused
St Marks Hospital 112 St Marks Road Maidenhead SL6 6DU
Consent for alteration to the front entrance door to Block 6.
-
26/02102/LBC Awaiting decision
The Gate House 105 High Street Hurley Maidenhead SL6 5NB
Consent for works to the party wall to install insulation including the removal and replacement of timber boarding with existing or new, and for works to repair and replace the lath and plaster ceiling in relation to the approved garage conversion.