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Permitted26/04044/NMASubmitted 3 months agoLoft conversion

6, 7 Grosvenor Place Westminster

Amendments to planning permission dated 18th September 2025 (RN:25/01675/FULL) for Variation of Conditions 1,18, 20, 22, and 23 of planning permission dated 4th June 2019 (RN: 19/01872/FULL) (as amended by non-material amendment dated 6 August 2019 RN: 19/05426/NMA) for: Alterations and extensions to the buildings in connection with their use as a private members' club (sui generis) and a cafe (Class A3), works involve the partial demolition and rebuild of the Halkin Street mews facade, replacement Headfort Place mews facade and new mews roof mansard, erection of a single storey extension to the rear of the main building at the second floor level, the installation of external terraces at third and fifth floors, roof plant enclosures, openings to light well elevations, new metal railing behind lowered parapet and to the new terrace over the new extension, alteration of vaults and associated works namely; amendment of Operational Management Plan to remove the reference to 1am end time for the sale of liquor.

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Progress

Submitted
18 Jun 2026
— completed
Validated
18 Jun 2026
— completed
Consultation
—
— completed
Target date
16 Jul 2026
— completed
Decided
9 Jul 2026
— completed

Application details

Reference
26/04044/NMA
Local authority
Westminster
Ward
KBW_22
Application type
All Other
Property type
House

Key dates

Submitted
18 Jun 2026
Validated
18 Jun 2026
Target decision
16 Jul 2026
Decided
9 Jul 2026

Estimated project value

£28k–£75k

Typical UK cost for this job type, at UK average rates (2026). Estimated from the proposal description — planning applications do not state build cost. Source: Checkatrade 2026 loft conversion cost guide.

Planning constraints

No designations recorded at this location. This is not a formal search — always confirm with the local authority before relying on it.

Designations from planning.data.gov.uk, Open Government Licence v3.0. Indicative only — not a formal local authority search.

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