Winterdown Stone House Lane Cookham Maidenhead SL6 9TP Data via plota.co.uk

26/00442/CPD - Cert of Lawfulness of Proposed Dev Refused

Proposal

Certificate of lawfulness to determine whether the proposed 2no. outbuildings incidental to the main dwelling, rear terrace, rear patio with hot tub, new pond to replace existing swimming pool, hardstanding and landscaping are lawful. Data via plota.co.uk

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View original council record ↗

Application progress

✓
Received
18 Feb 2026
✗
Refused
15 Apr 2026
Appeal
Not lodged

Refused on 15 Apr 2026 · Delegated · Last checked 7 Jul 2026

Documents 4

Decision & officer reports 1

PDF Refusal cpd Councils Decision · 15 Apr 2026 View ↗

Statements & assessments 1

PDF Planning officers report Planning Officers Assessment · 15 Apr 2026 View ↗

Other documents 2

PDF History log Property History · 20 Feb 2026 View ↗ PDF Applicationformredacted Application Forms · 18 Feb 2026 View ↗

All documents on the council site ↗

Other new applications on this street

Mendota Stone House Lane Cookham Maidenhead SL6 9TP

Replacement front canopy and rear balcony, patio area to be levelled, alteration...

26/01462/FULL - 23 Jun 2026

Little River House Stone House Lane Cookham Maidenhead SL6 9TP

(T1) Beech - reduce height by 1.5m and shape round; (T2) Crab Apple - reduce hei...

26/00953/TCA - 17 Apr 2026

Ivory Gate Stone House Lane Cookham Maidenhead SL6 9TP

1no. detached dwelling (self-build), PV panels and 1no. additional access follow...

26/00441/FULL - 18 Feb 2026

Nearby new applications

Mendota Stone House Lane Cookham Maidenhead SL6 9TP

Replacement front canopy and rear balcony, patio area to be levelled, alteration...

26/01462/FULL - 23 Jun 2026

Mendota Stone House Lane Cookham Maidenhead SL6 9TP

(G5) - Elm, Cypress, Viburnum, Acer - Fell. (T8, T9, G14) - Lawson Cypress - Fel...

26/01373/TCA - 3 Jun 2026

Winter Hill Cottage Winter Hill Cookham Maidenhead SL6 9TW

(T1) Cotoneaster- Reduce height by 1.5- 2m to leave an approximate final height ...

26/01174/TCA - 18 May 2026

Little River House Stone House Lane Cookham Maidenhead SL6 9TP

(T1) Beech - reduce height by 1.5m and shape round; (T2) Crab Apple - reduce hei...

26/00953/TCA - 17 Apr 2026

Important details

Council
Windsor and Maidenhead
Application type
Cert of Lawfulness of Proposed Dev
Postcode
SL6 9TP
Received
18 Feb 2026
Validated
18 Feb 2026
Ward
Bisham And Cookham
Parish
Cookham Parish
Case officer
Track to view
Target decision
15 Apr 2026
Decision
Refuse
Decision date
15 Apr 2026
Decision level
Delegated
Applicant
Track to view
Agent
Track to view

Consultation & key dates

Alt. reference
PP-14704417
Env. assessment
No

Historical activity at this location

26 previous applications on record - archival context, not part of the live application.

This property

Previous applications at this address

2023 Withdrawn
T1 - x2 Copper Beech Trees - Crown reduction by 2-3m to a final height of 18m and spread…
23/02631/TCA
Within ~100m

Nearby activity

2025 Approved
Winter Bank Stone House Lane Cookham Maidenhead SL6 9TP
(G1) 2 no. Leyland Cypress - Reduce height by approximately 4-6m (as shown).
25/02755/TCA
2025 Approved
Winter Bank Stone House Lane Cookham Maidenhead SL6 9TP
(T1 and T2) Leyland cypress - Crown reduce (as shown).
25/01991/TCA
2024 Approved
Old Spinneys Stone House Lane Cookham Maidenhead SL6 9TP
Air source heat pump installation
24/02435/FULL
2024 Approved
Green Banks Stone House Lane Cookham Maidenhead SL6 9TP
(G1) Mixed species Crown lift to a height of up to 5.3m over the carriageway and tip redu…
24/02372/TPO
2024 Refused
Ivory Gate Stone House Lane Cookham Maidenhead SL6 9TP
Replacement dwelling with PV panels, EV charger, raised terrace and external staircase, l…
24/00854/FULL
2023 Approved
The Bower Stone House Lane Cookham Maidenhead SL6 9TP
Garage conversion into habitable accommodation, raising of the ridge and extension of the…
23/01340/FULL
2023 Refused
Moonraker Stone House Lane Cookham Maidenhead SL6 9TP
Detached garage with basement.
23/01122/FULL
2023 Approved
The Bower Stone House Lane Cookham Maidenhead SL6 9TP
(T1) Deodar Cedar - fell.(005/1964/TPO).
23/01296/TPO
2023 Approved
Stone House Stone House Lane Cookham Maidenhead SL6 9TP
T1 - Oak - Crown reduce leaving 17m height and 15m spread, applying retrenchment pruning…
23/00567/TCA
2022 Refused
Moonraker Stone House Lane Cookham Maidenhead SL6 9TP
Increase in the height and single storey front/side extension to the existing garage and…
22/02834/FULL
2022 Approved
Green Banks Stone House Lane Cookham Maidenhead SL6 9TP
Replacement dwelling, including the construction of an outdoor swimming pool and associat…
22/00921/FULL
2022 Approved
Moonraker Stone House Lane Cookham Maidenhead SL6 9TP
Single storey front/side extension to the existing garage and sedum roof.
22/01210/FULL
2021 Approved
Moonraker Stone House Lane Cookham Maidenhead SL6 9TP
Beech Tree - fell.
21/03408/TCA
2021 Withdrawn
Green Banks Stone House Lane Cookham Maidenhead SL6 9TP
Replacement dwelling, including the construction of an outdoor swimming pool and associat…
21/02972/FULL
2020 Approved
Ivory Gate Stone House Lane Cookham Maidenhead SL6 9TP
Construction of a detached three bedroom dwelling, external pool and new access following…
20/00807/FULL
2020 Approved
Ivory Gate Stone House Lane Cookham Maidenhead SL6 9TP
(T1) Conifer - Fell.
20/01104/TCA
2020 Approved
Stone House Stone House Lane Cookham Maidenhead SL6 9TP
(T1) - Ash - Option 1 - Reduce by approximately 2m and thin by 10-15% leaving a final hei…
20/00984/TCA
2020 Approved
Land At Stone House And Land Adjacent To Winterdown Stone House Lane Cookham Maidenhead
(T2) - Ash - Fell and replace. (TPO 005 of 1964)
20/01043/TPO
2019 Approved
New Ways Stone House Lane Cookham Maidenhead SL6 9TP
New front entrance with canopy and alterations to fenestration
19/03549/FULL
2019 Approved
New Ways Stone House Lane Cookham Maidenhead SL6 9TP
New front entrance with canopy, first floor side extension and alterations to fenestratio…
19/03550/FULL
2019 Approved
Green Banks Stone House Lane Cookham Maidenhead SL6 9TP
Construction of a detached five bedroom dwelling with associated landscaping following de…
19/00925/FULL
2018 Refused
Ivory Gate Stone House Lane Cookham Maidenhead SL6 9TP
Demolition of existing house, garage and summerhouse and erection of new two storey dwell…
18/01262/FULL
2025
Green Banks Stone House Lane Cookham Maidenhead SL6 9TP
Variation (under Section 73a) of Condition 4 (Slab Levels) and Condition 9 (Approved Plan…
25/03303/VAR
2025 Approved
Green Banks Stone House Lane Cookham Maidenhead SL6 9TP
Details required by Condition 2 (Material Samples) of planning permission 22/00921/FULL f…
25/01320/CONDIT
2025 Withdrawn
Ivory Gate Stone House Lane Cookham Maidenhead SL6 9TP
Certificate of lawfulness to determine whether the proposed 2 no. single storey rear exte…
25/00740/CPD
Windsor and Maidenhead
Planning Authority Score
4.8/10
Below average
#163 of 292 councils
Relevant to this application:
Householder decisions

Windsor and Maidenhead ranks #109 out of 292 councils for householder decision speed. Windsor and Maidenhead is also one of the strictest councils - it refuses more householder applications than almost any other, with only 70% approved vs 90% nationally.

One of the strictest councils
only 70% approved vs 90% nationally
These figures are council-wide context, not a prediction for this application. View full council performance
Windsor and Maidenhead decision performance
Based on MHCLG data, 2025
69%
Overall approval rate
Below avg (87%) #289 of 292
70%
Householder approved
Below avg (90%) #292 of 292
72%
Decided in 8 weeks
Above avg (64%) #109 of 292
30%
Extended time limit
Below avg (40%) #55 of 292
40%
Minor dwellings approved
156 decided (1-9 homes)
92%
Major dwellings approved
25 decided (10+ homes)
61%
Change of use approved
18 decided
1,576
Total decisions
490 refused in 2025
Source: MHCLG planning statistics · See full council rankings