Planning application
78 Arthur Road Windsor SL4 1RX
Works: Loft or dormer Windows or glazing
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Certificate of lawfulness to determine whether the proposed construction of the loft conversion into habitable space, replacing the window with a patio door and repairs to the existing walls is lawful.
As published by the council, reference 25/03125/CPD
Application record
- Reference
- 25/03125/CPD
- Type
- Cert of Lawfulness of Proposed Dev
- Status
- Decided
- Decision
- Permitted Development
- Received
- 26 Nov 2025
- Validated
- 26 Nov 2025
- Decided
- 25 Feb 2026
- Ward
- Eton And Castle
- Parish
- Windsor Unparished
- Decision by
- Delegated
- Postcode
- SL4 1RX
Site history
Applications at this address on the Windsor and Maidenhead register
This site has had 2 applications since 2025: 1 approved, 1 refused.
-
25/02375/CPD Refused
78 Arthur Road Windsor SL4 1RX
Certificate of lawfulness to determine whether the proposed rebuilding of the single storey rear extension, 2 no. front rooflights, 1 no. rear rooflight and rear dormer with 1no. juliet balcony, to facilitate a loft conversion is lawful.
Timeline
Dates from the published record
-
26 Nov 2025
Received by Windsor and Maidenhead
-
25 Feb 2026
Decision issued: Permitted Development
-
11 Aug 2026
Added to PlanIndex
Documents
Plans, drawings, consultee responses and the officer's report
7 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 documentsWhat this grant of permission means
Windsor and Maidenhead granted permission on 25 February 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 lawful development applications
A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.
Nearby applications
Within 500 metres
-
78 Arthur Road Windsor SL4 1RX
Certificate of lawfulness to determine whether the proposed rebuilding of the single storey rear extension, 2 no. front rooflights, 1 no. rear rooflight and rear dormer with 1no. juliet balcony, to facilitate a loft conversion is lawful.
Refused Lawful development Extension Loft or dormer 7 docsSmall domestic -
76 Arthur Road Windsor SL4 1RX
Single storey rear/side extension, single storey rear extension and alteration to fenestration.
Refused Full applications Extension Windows or glazing 7 docsSmall domestic -
76 Arthur Road Windsor SL4 1RX
Certificate of lawfulness to determine whether the proposed 2no. front rooflights and 1no. L-shaped rear dormer is lawful.
Granted Lawful development Loft or dormer 7 docs -
76 Arthur Road Windsor SL4 1RX
Single storey rear extension
Refused Full applications Extension 7 docsSmall domestic -
82 Arthur Road Windsor SL4 1RX
Certificate of lawfulness to determine whether the proposed 2no. front rooflights and 1no. rear dormer are lawful.
Granted Lawful development Loft or dormer 16 docs -
84 Arthur Road Windsor SL4 1RX
2no. front rooflights and a rear second floor roof extension.
Granted Full applications Extension Loft or dormer 10 docs
Other lawful development applications
In Windsor and Maidenhead
-
26/00501/CPU Refused
143 Cookham Road Maidenhead SL6 7EU
Certificate of lawfulness to determine whether the proposed use of the dwelling as a small childrens home for up to two children and two carers is lawful.
-
26/01763/CPU Refused
Land At The Junction of Warners Hill And Dean Lane Cookham Maidenhead
Certificate of lawfulness to determine whether the proposed use of the land as an orchard with mobile poultry run and polytunnel is lawful.
-
26/01615/CLU Granted
Riding Court Farm Riding Court Riding Court Road Datchet Slough SL3 9JT
Certificate of lawfulness to determine whether the existing units 'JKL' (use class B8) used for storage and distribution; unit 'AB' (use class B8) used for hiring, maintaining, and cleaning concrete screed and machinery and 'storage yard 2' (use class B8) used for the storage of scaffolding is lawful.
-
26/01581/CLD Granted
The George Public House The Brewhouse The Green Holyport Road Holyport Maidenhead
Certificate of lawfulness to determine whether the existing bollard is lawful.
-
26/02117/CPD Awaiting decision
27 Tyrell Gardens Windsor SL4 4DH
Certificate of lawfulness to determine whether the proposed garage conversion is lawful.