Planning application
35 Lancaster Mews London W2 3QF
Works: Loft or dormer 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
Excavation of basement level, replacement of existing rooflight with proposed rooflight, alteration to garage doors and associated external and internal alterations to mews dwellinghouse.
As published by the council, reference 26/03593/FULL
Application record
- Reference
- 26/03593/FULL
- Type
- Full Planning Permission Application
- Status
- Pending
- Received
- 2 Jun 2026
- Validated
- 2 Jun 2026
- Ward
- Lancaster Gate
- Postcode
- W2 3QF
Timeline
Dates from the published record
-
2 Jun 2026
Received by Westminster
-
21 Jul 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 28 July 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.
Westminster took a median of 91 days over the applications it decided in the last year.
Who's behind it
Company information only, from the register and Companies House
Tetra Tech Consulting Ltd Agent, registered in Abingdon
Active · incorporated 1979 · Abingdon
96 applications on PlanIndex · across 29 councils · 97% granted
Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.
See their track recordDocuments
Plans, drawings, consultee responses and the officer's report
20 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.
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Open the documentsWhat happens while it is decided
This application is with Westminster for determination, against a statutory target of eight weeks. Over the last year Westminster decided full applications in a median of 119 days. More in our guide to how long planning decisions take.
About full applications
A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.
Nearby applications
Within 0.3 miles
-
36 Lancaster Mews London W2 3QF
Details of Glass and rear window restrictor, glass to rear rooflight, signed appendix A and pre-demolition audit pursuant to conditions 4,5,12 and 14 of planning permission dated 5th December 2024 (RN: 24/05136/FULL).
Granted Full applications Loft or dormer Demolition +1 16 docs -
Flat A 2 Craven Terrace London W2 3QD
90% historically approved · decision due ~17 Nov
Replacement of existing timber windows and doors at rear with new aluminium double glazed doors and windows, new roof light (AOV). Internal re configuration of the flat at third and 4th floor. (Linked to 26/06196/FULL)
Awaiting decision Heritage and listed buildings Loft or dormer Roofing +1 -
Flat A 2 Craven Terrace London W2 3QD
88% historically approved · decision due ~17 Nov
Replacement of existing timber windows and doors at rear with new aluminium double glazed doors and windows, new roof light (AOV). Internal re configuration of the flat at third and 4th floor. (Linked to 26/06197/LBC)
Awaiting decision Full applications Loft or dormer Roofing +1 -
Ambassador Court 17 Craven Terrace London W2 3QH
Erection of a roof extension to provide 2-bedroom flat with terraces to the front and rear.
Withdrawn Full applications Extension 22 docs -
26 Lancaster Mews London W2 3QE
88% historically approved · decision due ~3 Apr
Variation of Condition 1 of planning permission dated 17 June 2025 (RN: 25/02702/FULL) for 'Removal of the dormer extension at roof level, construction of a mansard roof extension and alterations to front elevation including new and replacement windows, juliette balcony, entrance door and garage doors and conversion of garage'. Namely to install low-profile railings at roof level, add recessed planters, and amend the position and size of rooflights.
Awaiting decision Full applications Extension Loft or dormer +1 4 docs -
Ground Floor 21 Craven Terrace London W2 3QH
82% historically approved · decision due ~6 Jul
Display of non-illuminated painted signage to glazing measuring 1.985m x 1.155m.
Awaiting decision Advertising Windows or glazing 7 docs
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Demolition of existing rear/side extension and construction of a new extension together with new glazing and doors, and changing the existing rooflights to the rear roof slope with new rooflights.
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26/07371/FULL Awaiting decision
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