Internal and external alterations to 45 Hays Mews and 45 Berkeley Square, including excavation of basement beneath 45 Hay's Mews and central courtyard, alterations at roof level of 45 Hay's Mews, upward extension of the central courtyard to create an additional floor, replacement of the courtyard pavilion to provide a glazed walkway, the provision of a retractable glazed roof, improved access arrangements, internal layout changes and associated works.
Internal and external alterations to 45 Hays Mews and 45 Berkeley Square, including excavation of basement beneath 45 Hay's Mews and central courtyard, alterations at roof level of 45 Hay's Mews, upward extension of the central courtyard to create an additional floor, replacement of the courtyard pavilion to provide a glazed walkway, the provision of a retractable glazed roof, improved access arrangements, internal layout changes and associated works; all to extend and alter private members' club (Sui Generis) (Linked to 21/06462/LBC) [SITE INCLUDES 45 HAY'S MEWS].
Detailed drawings of the design, construction and insulation of the whole ventilation system and any associated equipment, ventilation system to get rid of cooking smells and acoustic report pursuant to conditions 5,7, 11 of planning permission dated 07 March 2016 (RN:15/11738)
Variation of Condition 1 of planning permission dated 7 March 2016 (RN: 15/11738/FULL ) for: Alterations including the erection of a single storey glazed extension within the central courtyard, creation of external terraces at first and third floors, and associated internal alterations in connection with use of the buildings as a private members club (sui generis). Namely, alterations to the roof of 45 Hays Mews to accommodate the required external roof plant.
Alterations including the erection of a single storey glazed extension within the central courtyard, creation of external terraces at first and third floors, and associated internal alterations in connection with use of the buildings as a private members club (sui generis).
Alterations including the erection of a single storey glazed extension within the central courtyard, creation of external terraces at first and third floors, and associated internal alterations.
Alterations and extensions, including excavation to create a sub-basement extension and erection of a single storey glazed extension within the rear courtyard. Associated internal alterations.
Internal and external alterations to 45 Hays Mews and 45 Berkeley Square, including excavation of basement beneath 45 Hay's Mews and central courtyard, alterations at roof level of 45 Hay's Mews, upward extension of the central courtyard to create an additional floor, replacement of the courtyard pavilion to provide a glazed walkway, the provision of a retractable glazed roof, improved access arrangements, internal layout changes and associated works.
Internal and external alterations to 45 Hays Mews and 45 Berkeley Square, including excavation of basement beneath 45 Hay's Mews and central courtyard, alterations at roof level of 45 Hay's Mews, upward extension of the central courtyard to create an additional floor, replacement of the courtyard pavilion to provide a glazed walkway, the provision of a retractable glazed roof, improved access arrangements, internal layout changes and associated works; all to extend and alter private members' club (Sui Generis) (Linked to 21/06462/LBC) [SITE INCLUDES 45 HAY'S MEWS].
Detailed drawings of the design, construction and insulation of the whole ventilation system and any associated equipment, ventilation system to get rid of cooking smells and acoustic report pursuant to conditions 5,7, 11 of planning permission dated 07 March 2016 (RN:15/11738)
Variation of Condition 1 of planning permission dated 7 March 2016 (RN: 15/11738/FULL ) for: Alterations including the erection of a single storey glazed extension within the central courtyard, creation of external terraces at first and third floors, and associated internal alterations in connection with use of the buildings as a private members club (sui generis). Namely, alterations to the roof of 45 Hays Mews to accommodate the required external roof plant.
Alterations including the erection of a single storey glazed extension within the central courtyard, creation of external terraces at first and third floors, and associated internal alterations in connection with use of the buildings as a private members club (sui generis).
Alterations including the erection of a single storey glazed extension within the central courtyard, creation of external terraces at first and third floors, and associated internal alterations.
Alterations and extensions, including excavation to create a sub-basement extension and erection of a single storey glazed extension within the rear courtyard. Associated internal alterations.
Building-control records are not yet collected for Westminster — the register is being gathered borough by borough (held so far: Lambeth, Brent, Ealing, Westminster, City and others).
Place
What affects it?
Every mapped designation touching a premises in this postcode, with how many of its 3 premises each one covers.
Designation
Coverage
Archaeological Priority Area
City of Westminster APA 2.5: Great Estates Summary and Definition The Great Estates APA covers an area bounded by Park Lane to the west, Green Park and St James’s Park to the south, Haymarket, Shaftesbury Avenue, Charing Cross Road and t · reference 76098 · covers 3 of 3 premises. Groundworks may require archaeological assessment or investigation.
Article 4 Direction Area
Article 4 Basement Development Permitted Rights Removed · reference 23/00006/REG_4 · covers 3 of 3 premises. Some normally permitted changes may require planning permission.
Central Activities Zone
Named designation not supplied · reference CAZ00000005 · covers 3 of 3 premises. London Plan policies for the Central Activities Zone may apply.
Conservation Area
Mayfair · reference CONARA/1270 · covers 3 of 3 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Archaeological Priority Area
City of Westminster APA 2.5: Great Estates Summary and Definition The Great Estates APA covers an area bounded by Park Lane to the west, Green Park and St James’s Park to the south, Haymarket, Shaftesbury Avenue, Charing Cross Road and t · reference 76098 · covers 3 of 3 premises. Groundworks may require archaeological assessment or investigation.
Article 4 Direction Area
Article 4 Basement Development Permitted Rights Removed · reference 23/00006/REG_4 · covers 3 of 3 premises. Some normally permitted changes may require planning permission.
Central Activities Zone
Named designation not supplied · reference CAZ00000005 · covers 3 of 3 premises. London Plan policies for the Central Activities Zone may apply.
Show all 4 rows
Conservation Area
Mayfair · reference CONARA/1270 · covers 3 of 3 premises. Demolition, alterations, trees and design are subject to additional heritage controls.
Nearby postcodes and streets
Walk to the next area — linked where the Atlas has a record for it (pilot borough only for now).
Planning precedent34 applications and 35 mapped decisions in this postcode — precedent for what has been permitted and refused here.
EnergyNo EPC records joined yet.
What is not assertedNo capacity, value or ownership claim is made at area level; those belong to individual premises records and their evidence.
Intent signals
The Developer Plan
Ownership, finance and market signals recorded at addresses in this postcode — each with date and source. Signals are evidence of change, not a prediction.
No intent signal is currently recorded in this postcode.
Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.
W1J 5AS, Westminster: Planning and Property History | Planning Atlas