10 St James's Place London SW1A 1NP Data via plota.co.uk
Proposal
Installation of two external condenser units within lightwell at first floor level and at roof level. (Linked to 26/04901/LBC) Data via plota.co.uk
Application progress
Approved on 4 Sept 2026 · Delegated Decision · Last checked 4 Sept 2026
Documents 17
Decision & officer reports 2
Statements & assessments 3
Plans & drawings 5
Application forms 1
Consultation & comments 1
Other documents 5
Associated applications 2
- Installation of two external condenser units within lightwell at first floor level and at roof level. (Linked)
Site constraints 13
Show the other 48 with distances
- 3 m11, St James's Place Sw1Grade II
- 4 m5-9 St James's PlaceGrade II
- 7 m20, BLUE BALL YARD SW1 (See details for further address information)Grade II
- 15 m13, St James's Place Sw1Grade II
- 15 m31, St James's Place Sw1Grade II
- 21 m3 Bollards, One by Number 13, One by Number 15, One by Number 31Grade II
- 22 m14, St James's Place Sw1Grade II
- 22 m39 to 45, St James's PlaceGrade II
- 27 m15, St James's PlaceGrade II
- 30 m29, St James's Place Sw1Grade II
- 34 m28, St James's Place Sw1Grade II
- 34 mCarlton ClubGrade II*
- 35 m4, St James's Place Sw1Grade II*
- 41 m2 and 3, St James's PlaceGrade II
- 41 mSpencer HouseGrade I
- 43 m26, St James's PlaceGrade II*
- 44 mLamp post outside 37-38 St James's PlaceGrade II
- 52 m7 Lampstandards Numbered 2, 4, 5, 7, 8, 11 and 13Grade II
- 54 m19, St James's Place Sw1Grade II
- 59 m20, St James's Place Sw1Grade II
- 62 mPratt's ClubGrade II
- 67 mThe Royal Overseas League, Including Rutland House and Its Former Gatehouse, Number 16 Arlington Street, and Vernon House to the SouthGrade I
- 75 mBridgewater HouseGrade I
- 76 mBrook's Club (South of Number 60)Grade I
- 81 m74, St James Street Sw1Grade II*
- 96 mThe Constitutional ClubGrade II
- 100 m10, ST JAMES'S STREET SW1 (See details for further address information)Grade II
- 110 mThe Economist group (including office tower, residential block, former bank and podium)Grade II*
- 113 mLock's of St James'sGrade II*
- 116 m87 and 88, St James's Street Sw1Grade II*
- 120 m4, St James's Street Sw1Grade II
- 120 mTerraces and Ornamental Walls of Bridgewater House on Green Park SideGrade I
- 124 m3, St James's Street Sw1Grade II*
- 126 mBoodle's ClubGrade I
- 128 m37-38, Bury StreetGrade II
- 130 m19-23, RYDER STREET SW1 (See details for further address information)Grade II
- 132 m1 and 2 St James's Street, including 64 Pall MallGrade II*
- 133 m21, Arlington Street Sw1Grade II*
- 136 m19 Lampstandards Ranged Along Queen's Walk From Outside Wimbourne House to Junction With the MallGrade II
- 140 mForecourt Railings and Gate Piers to Number 21Grade II*
- 140 m18, Crown Passage Sw1Grade II
- 140 m5, Pickering Place Sw1Grade II*
- 140 m1-4, Pickering Place Sw1Grade II*
- 142 m19, Crown PassageGrade II
- 144 m22, King Street, St James's Sw1Grade II
- 147 mWimbourne HouseGrade II*
- 148 m8, Cleveland Row Sw1Grade II
- 149 m8 Lamp Standards Numbered 1 and 3 to 9 (Consecutive)Grade 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 2
Last sold for £5,500,000 in August 2019. Other property, freehold.
Sale prices from HM Land Registry's price paid record, matched to this application by its address.
Every application in Westminster - and every UK council - as a live feed, an API, or a bulk CSV export.
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Important details
- Council
- Westminster
- Application type
- Full Planning Permission Application
- Postcode
- SW1A 1NP
- Received
- 23 Jul 2026
- Validated
- 23 Jul 2026
- Ward
- St James's
- Case officer
- Show
- Target decision
- 17 Sept 2026
- Decision
- Application Permitted
- Decision date
- 4 Sept 2026
- Decision level
- Delegated Decision
- Applicant
- Show
- Agent
- Collective Planning
- Freehold owner
- Show
How this decision compares
Decided in 43 days from validation, 13 days faster than Westminster's median of 56 for listed building works. Approved, as 90% of listed building works here are.
Plota live figures for listed building works decided by Westminster in the last twelve months, from validation. Westminster decision record →
Public comments
No public comments yet.
58 neighbours consulted · Last counted 4 Sept 2026
Consultation & key dates
- Alt. reference
- PP-15100618
- Planning Portal ref
- PP-15100618
- Env. assessment
- No
Historical activity at this location
27 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.
Freehold boundary: © Crown copyright and database rights 2026, HM Land Registry. Polygons © Crown copyright and database rights 2026 Ordnance Survey 100026316. Conditions of use
Freehold owner: Information produced by HM Land Registry. © Crown copyright 2026. Source: HM Land Registry, UK and overseas companies that own property in England and Wales, September 2026 release.
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10 St James's Place London SW1A 1NP
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Freehold owner, on paid plans
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