Sanctuary Buildings 20 Great Smith Street London SW1P 3BT Data via plota.co.uk
Proposal
Installation of external pipework between the first and second floors on the south elevation. Data via plota.co.uk
Application progress
Approved on 19 Feb 2026 · Delegated Decision · Last checked 13 Oct 2026
Documents 19
Decision & officer reports 2
Statements & assessments 1
Plans & drawings 12
Application forms 1
Site constraints 12
Show all 29 with distances
- 11 mPark HouseGrade II
- 17 mDean's YardGrade II
- 17 mChurch HouseGrade II
- 31 mOrchard HouseGrade II
- 36 m3 Lamp Standards to South End Outside Number 5a and Church House,dean's YardGrade II
- 44 mChoir School and Deans YardGrade II
- 44 mWestminster Public LibraryGrade II
- 82 m36-40, Great Smith Street Sw1Grade II
- 83 mDean's YardGrade II
- 96 mChurch of St MatthewGrade II
- 99 mLamp post outside 4 Tufton StreetGrade II
- 105 mNo. 22 Great College Street (including St Edward's Chapel, Tufton Street)Grade II
- 107 mDean's YardGrade I
- 108 mSt Matthew's Clergy HouseGrade II
- 108 mFaith HouseGrade II
- 110 mDean's YardGrade I
- 120 mDeans YardGrade II
- 123 mLamp post outside 22 Great College StreetGrade II
- 125 mLittle Deans YardGrade II
- 126 mThe SanctuaryGrade II
- 127 m19,19a and 20, Broad Sanctuary Sw1Grade I
- 134 m10 Lamp Standards Round Central Green of Dean's YardGrade II
- 140 mDeans Yard With Abbey ShopGrade II
- 140 mLittle Deans YardGrade I
- 141 mThe Great Cloisters,including St Faiths Chapel,the Chapter House,the Parlour,numbers 1 and 2 the Cloisters,the Dark Cloisters and Dormitory With the Chapel of St Dunstan (School and Busby Library)Grade I
- 142 m11-14, Barton Street Sw1Grade II*
- 143 mThe Deanery and Sub Dean's Residence With the Jericho ParlourGrade I
- 143 mWestminster Abbey (The Collegiate Church of St Peter)Grade I
- 147 mLittle Dean's Yard Ashburnham HouseGrade I
Checked on 2 November 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.
Building
From the energy performance certificate lodged in April 2024, the latest held for this property. The building may have changed since. View the certificate
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
- Listed Building Consent Application
- Postcode
- SW1P 3BT
- Received
- 15 Sept 2025
- Validated
- 15 Oct 2025
- Ward
- St James's
- Case officer
- Show
- Target decision
- 19 Feb 2026
- Decision
- Application Permitted
- Decision date
- 19 Feb 2026
- Decision level
- Delegated Decision
- Applicant
- Show
- Agent
- Purcell
How this decision compares
Decided in 127 days from validation, 70 days slower than Westminster's median of 57 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.
Last counted 13 Oct 2026
Consultation & key dates
- Alt. reference
- PP-14329788
- Planning Portal ref
- PP-14329788
- Comments by
- 3 Dec 2025
- Site or press notice
- 12 Nov 2025
- Env. assessment
- No
Historical activity at this location
34 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.
Freehold boundary: © Crown copyright and database rights 2026, HM Land Registry. Polygons © Crown copyright and database rights 2026 Ordnance Survey 100026316. Conditions of use
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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