64 - 65 St James's Street London SW1A 1NF Data via plota.co.uk
Proposal
Amendments to planning permission dated 2 September 2021 (RN: ) for: Demolition of the existing mansard roof and removal of plant and escape stair; erection of new double mansard roof extension and rear extension for additional commercial floorspace (Use Class E); and installation of new escape stair, rear balconies, roof terrace and associated works namely; increase in height of internal stair core roof; solid hinged access hatch with integrated glazed AOV replaced with sliding glazed access rooflight and separate glazed AOV. Data via plota.co.uk
Application progress
Approved on 13 Mar 2026 · Delegated Decision · Last checked 6 Aug 2026
Documents 27
Decision & officer reports 2
Plans & drawings 21
Application forms 1
Associated applications 5
Part of
Conditions 18 discharged
- AmendmentAmendments to planning permission dated 2 September 2021 (RN)This application26/00434/NMA
Show 3 more · 3 approved
Licence at this address
Licensed hours are what the licence permits, not opening times.
Site constraints 12
Show all 52 with distances
- 14 m2 and 3, St James's PlaceGrade II
- 25 mPratt's ClubGrade II
- 26 m4, St James's Place Sw1Grade II*
- 28 m39 to 45, St James's PlaceGrade II
- 30 m20, BLUE BALL YARD SW1 (See details for further address information)Grade II
- 32 m5-9 St James's PlaceGrade II
- 38 mCarlton ClubGrade II*
- 49 mThe Economist group (including office tower, residential block, former bank and podium)Grade II*
- 53 mBrook's Club (South of Number 60)Grade I
- 56 m10, ST JAMES'S STREET SW1 (See details for further address information)Grade II
- 61 mThe Royal Overseas League, Including Rutland House and Its Former Gatehouse, Number 16 Arlington Street, and Vernon House to the SouthGrade I
- 62 m10, St James's Place Sw1Grade II
- 63 m19-23, RYDER STREET SW1 (See details for further address information)Grade II
- 63 m37-38, Bury StreetGrade II
- 67 m11, St James's Place Sw1Grade II
- 72 mBoodle's ClubGrade I
- 72 mLamp post outside 37-38 St James's PlaceGrade II
- 76 m31, St James's Place Sw1Grade II
- 79 m74, St James Street Sw1Grade II*
- 80 m13, St James's Place Sw1Grade II
- 85 mLock's of St James'sGrade II*
- 87 m14, St James's Place Sw1Grade II
- 88 m3 Bollards, One by Number 13, One by Number 15, One by Number 31Grade II
- 89 m19, St James's Place Sw1Grade II
- 90 m29, St James's Place Sw1Grade II
- 90 m22, King Street, St James's Sw1Grade II
- 93 m15, St James's PlaceGrade II
- 96 m28, St James's Place Sw1Grade II
- 96 m4, St James's Street Sw1Grade II
- 99 m18, Crown Passage Sw1Grade II
- 101 m20, St James's Place Sw1Grade II
- 101 m7 Lampstandards Numbered 2, 4, 5, 7, 8, 11 and 13Grade II
- 102 mThe Eccentric ClubGrade II
- 102 m3, St James's Street Sw1Grade II*
- 103 m19, Crown PassageGrade II
- 105 mSpencer HouseGrade I
- 106 m5, Pickering Place Sw1Grade II*
- 108 mThe Constitutional ClubGrade II
- 109 m26, St James's PlaceGrade II*
- 112 m1-4, Pickering Place Sw1Grade II*
- 113 m1 and 2 St James's Street, including 64 Pall MallGrade II*
- 114 m70-72, JERMYN STREET SW1 (See details for further address information)Grade II
- 120 mThe Golden Lion Public HouseGrade II
- 120 mBridgewater HouseGrade I
- 121 mRed Lion Public HouseGrade II
- 127 m87 and 88, St James's Street Sw1Grade II*
- 132 m54, Pall Mall Sw1Grade II
- 133 mForecourt Railings and Gate Piers to Number 21Grade II*
- 138 m21, Arlington Street Sw1Grade II*
- 140 mWimbourne HouseGrade II*
- 143 mPart of the Devonshire ClubGrade II*
- 144 mDevonshire ClubGrade II
Checked on 6 October 2026. Historic England, the Environment Agency, Natural England, the Planning Inspectorate, Transport for London (public transport access levels, Powered by TfL Open Data, OGL v3.0, contains OS data © Crown copyright and database right 2025) and council datasets, Open Government Licence. A boundary can run through a site and the council holds the definitive record: confirm with the council before relying on this.
Sales history 1
Last sold for £35,930,000 in November 2020. Other property, freehold.
Sale prices from HM Land Registry's price paid record, matched to this application by its address.
Building
From the energy performance certificate lodged in May 2026, the latest held for this property. The building may have changed since. View the certificate
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Important details
- Council
- Westminster
- Application type
- Non-material amendments
- Postcode
- SW1A 1NF
- Received
- 26 Jan 2026
- Validated
- 26 Jan 2026
- Ward
- St James's
- Case officer
- Show
- Target decision
- 23 Feb 2026
- Decision
- Application Permitted
- Decision date
- 13 Mar 2026
- Decision level
- Delegated Decision
- Applicant
- Show
- Agent
- Squire and Partners LLP
How this decision compares
Decided in 46 days from validation, 10 days faster than Westminster's median of 56 for commercial and major works. Approved, as 92% of commercial and major works here are.
Plota live figures for commercial and major works decided by Westminster in the last twelve months, from validation. Westminster decision record →
Public comments
No public comments yet.
Last counted 6 Aug 2026
Consultation & key dates
- Alt. reference
- PP-14647801
- Planning Portal ref
- PP-14647801
- Env. assessment
- No
Historical activity at this location
33 previous applications on record - archival context, not part of the live application.
Previous applications at this address
Nearby activity
Westminster is slower than most councils at deciding householder applications, ranking #258 out of 296. Only 28% of applications have the time limit extended, well below the 41% national average - the council usually decides on time. Westminster is also one of the strictest councils - it refuses more householder applications than almost any other, with only 81% approved vs 90% nationally.
Sale prices: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.
Energy performance: Energy performance certificates from the Energy Performance of Buildings Register, Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright 2026.
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Referenced application
Council archive
64 - 65 St James's Street London SW1A 1NF
Demolition of the existing mansard roof and removal of plant and escape stair; erection of new double mansard roof extension and rear extension for additional commercial floorspace (Use Class E); and installation of new escape stair, rear balconies, roof terrace and associated works.
- Received
- 1 Apr 2021
- Decided
- 2 Sep 2021
- Outcome
- Approved